<!DOCTYPE html>
<html lang="en">
<head>
<title>If Stetements</title>
</head>
<body>
<script>
var marks;
marks=parseInt(prompt("Enter marks"));
if(marks>=80 && marks<=100)
{
document.write("A Grade");
}
else if(marks>=60 && marks<80)
{
document.write("B Grade");
}
else if(marks>=40 && marks<60)
{
document.write("C Grade");
}
else if(marks>=0 && marks<40)
{
document.write("Fail");
}
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<title>If Stetements</title>
</head>
<body>
<script>
var num;
num=parseInt(prompt("Enter any number"));
if(num>0)
{
document.write("Number is Positive");
}
else if(num<0)
{
document.write("Number is Negative");
}
else if(num==0)
{
document.write("Number is Zero");
}
</script>
</body>
</html>
#include<stdio.h>
int main()
{
int num;
printf("Enter any number");
scanf("%d",&num);
if(num%2==0)
{
printf("Number is even");
}
else
{
printf("Number is odd");
}
}
#include<stdio.h>
int main()
{
char ch;
printf("Enter any character");
scanf("%c",&ch);
if(ch=='a'||ch=='A'||ch=='e'||ch=='E'||ch=='i'||ch=='I'||ch=='o'||ch=='O'||ch=='u'||ch=='U')
{
printf("character is vowel");
}
else
{
printf("character is consonant");
}
}
#include<stdio.h>
int main()
{
char ch;
printf("Enter any character");
scanf("%c",&ch);
if(ch=='a'||ch=='A'||ch=='e'||ch=='E'||ch=='i'||ch=='I'||ch=='o'||ch=='O'||ch=='u'||ch=='U')
{
printf("character is vowel");
}
else if(ch=='@'||ch=='!'||ch=='#'||ch=='%'||ch=='&'||ch=='*')
{
printf("character is special");
}
else
{
printf("character is consonant");
}
}
#include<stdio.h>
int main()
{
int num;
printf("Print any number between 1 to 7:");
scanf("%d",&num);
if(num==1)
{
printf("Day is Monday");
}
else if(num==2)
{
printf("Day is Tuesday");
}
else if(num==3)
{
printf("Day is Wednesday");
}
else if(num==4)
{
printf("Day is Thursday");
}
else if(num==5)
{
printf("Day is Friday");
}
else if(num==6)
{
printf("Day is Saturday");
}
else if(num==7)
{
printf("Day is Sunday");
}
}
#include<stdio.h>
int main()
{
int num;
printf("Print any number between 0 and 9:");
scanf("%d",&num);
if(num==0)
{
printf("You entered Zero");
}
else if(num==1)
{
printf("You entered One");
}
else if(num==2)
{
printf("You entered Two");
}
else if(num==3)
{
printf("You entered Three");
}
else if(num==4)
{
printf("You entered Four");
}
else if(num==5)
{
printf("You entered Five");
}
else if(num==6)
{
printf("You entered Six");
}
else if(num==7)
{
printf("You entered Seven");
}
else if(num==8)
{
printf("You entered Eight");
}
else if(num==9)
{
printf("You entered Nine");
}
else
{
printf("wrong input");
}
}
#include<stdio.h>
int main()
{
int num;
printf("Print any number between 1 and 12:");
scanf("%d",&num);
if(num==1)
{
printf("You entered January");
}
else if(num==2)
{
printf("You entered February");
}
else if(num==3)
{
printf("You entered March");
}
else if(num==4)
{
printf("You entered April");
}
else if(num==5)
{
printf("You entered May");
}
else if(num==6)
{
printf("You entered June");
}
else if(num==7)
{
printf("You entered July");
}
else if(num==8)
{
printf("You entered August");
}
else if(num==9)
{
printf("You entered September");
}
else if(num==10)
{
printf("You entered October");
}
else if(num==11)
{
printf("You entered November");
}
else if(num==12)
{
printf("You entered December");
}
else
{
printf("wrong input");
}
}
#include<stdio.h>
#include<stdlib.h>
int main()
{
int choice,num1,num2,res;
printf("\nPress 1 for addition");
printf("\nPress 2 for subtraction");
printf("\nPress 3 for multiplication");
printf("\nPress 4 for division");
printf("\nPress 5 for exit");
scanf("%d",&choice);
printf("\nEnter first number:");
scanf("%d",&num1);
printf("\nEnter second number:");
scanf("%d",&num2);
if(choice==1)
{
res=num1+num2;
printf("The sum is: %d",res);
}
else if(choice==2)
{
res=num1-num2;
printf("The sum is: %d",res);
}
else if(choice==3)
{
res=num1*num2;
printf("The sum is: %d",res);
}
else if(choice==4)
{
res=num1/num2;
printf("The sum is: %d",res);
}
else if(choice==5)
{
exit(0);
}
}
#include<stdio.h>
int main()
{
int a, b ,c;
printf("\nEnter first number:");
scanf("%d",&a);
printf("\nEnter second number:");
scanf("%d",&b);
printf("\nEnter third number:");
scanf("%d",&c);
if(a>b)
{
if(a>c)
{
printf(\"First number is greater");
}
else
{
printf("\nThird number is greater");
}
}
else
{
if(b>c)
{
printf("\nSecond number is greater");
}
else
{
printf("Third number is greater");
}
}
#include<stdio.h>
int main()
{
int year;
printf("Enter the year: ");
scanf("%d",&year);
if( ((year%4==0) && (year%100 !=0)) || (year%400==0))
{
printf("Year is Leap year");
}
else
{
printf("Not a leap year");
}
return 0;
}//end of main
#include<stdio.h>
int main()
{
/* Input character from user */
printf("Enter any character: ");
scanf("%c", &ch);
/* Alphabet check */
if((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z'))
{
printf("'%c' is alphabet.", ch);
}
else if(ch >= '0' && ch <= '9')
{
printf("'%c' is digit.", ch);
}
else
{
printf("'%c' is special character.", ch);
}
return 0;
}//end of main
include<stdio.h>
int main()
{
int month;
/* Input month number from user */
printf("Enter month number (1-12): ");
scanf("%d", &month);
if(month == 1)
{
printf("31 days");
}
else if(month == 2)
{
printf("28 or 29 days");
}
else if(month == 3)
{
printf("31 days");
}
else if(month == 4)
{
printf("30 days");
}
else if(month == 5)
{
printf("31 days");
}
else if(month == 6)
{
printf("30 days");
}
else if(month == 7)
{
printf("31 days");
}
else if(month == 8)
{
printf("31 days");
}
else if(month == 9)
{
printf("30 days");
}
else if(month == 10)
{
printf("31 days");
}
else if(month == 11)
{
printf("30 days");
}
else if(month == 12)
{
printf("31 days");
}
else
{
printf("Invalid input! Please enter month number between (1-12).");
}
return 0;
}//end of main
#include<stdio.h>
int main()
{
int num;
printf("enter any number between 0 to 9:");
scanf("%d",&num);
switch(num)
{
case 0:
printf("You entered ZERO");
break;
case 1:
printf("You entered ONE");
break;
case 2:
printf("You entered TWO");
break;
case 3:
printf("You entered THREE");
break;
case 4:
printf("You entered FOUR");
break;
case 5:
printf("You entered FIVE");
break;
case 6:
printf("You entered SIX");
break;
case 7:
printf("You entered SEVEN");
break;
case 8:
printf("You entered EIGHT");
break;
case 9:
printf("You entered NINE");
break;
default:
printf("wrong input");
}
}
#include<stdio.h>
int main()
{
int num;
printf("enter any number between 1 to 12:");
scanf("%d",&num);
switch(num)
{
case 1:
printf("You entered JANUARY");
break;
case 2:
printf("You entered FEBURARY");
break;
case 3:
printf("You entered MARCH");
break;
case 4:
printf("You entered APRIL");
break;
case 5:
printf("You entered MAY");
break;
case 6:
printf("You entered JUNE");
break;
case 7:
printf("You entered JULY");
break;
case 8:
printf("You entered AUGUST");
break;
case 9:
printf("You entered SEPTEMBER");
break;
case 10:
printf("You entered OCTOBER");
break;
case 11:
printf("You entered NOVEMBER");
break;
case 12:
printf("You entered DECEMBER");
break;
default:
printf("wrong input");
}
}
#include<stdio.h>
int main()
{
int num;
printf("enter any number between 1 to 7:");
scanf("%d",&num);
switch(num)
{
case 1:
printf("You entered SUNDAY");
break;
case 2:
printf("You entered MONDAY");
break;
case 3:
printf("You entered TUESDAY");
break;
case 4:
printf("You entered WEDNESDAY");
break;
case 5:
printf("You entered THURSDAY");
break;
case 6:
printf("You entered FRIDAY");
break;
case 7:
printf("You entered SATURDAY");
break;
default:
printf("wrong input");
}
}
#include<stdio.h>
int main()
{
char ch;
printf("Enter any character in lowercase:");
scanf("%c",&ch);
switch(ch)
{
case 'a':
printf("Character is vowel");
break;
case 'e':
printf("Character is vowel");
break;
case 'i':
printf("Character is vowel");
break;
case 'o':
printf("Character is vowel");
break;
case 'u':
printf("Character is vowel");
break;
default:
printf("character is consonant");
}
return 0;
}
#include<stdio.h>
#include<stdlib.h>
int main()
{
int num1,num2,res;
int value;
printf("Enter first number:");
scanf("%d",&num1);
printf("Enter second number:");
scanf("%d",&num2);
printf("\n Press 1 for addition");
printf("\n Press 2 for subtraction");
printf("\n Press 3 for division");
printf("\n Press 4 for multiplication");
printf("\n Press 5 for EXIT");
printf("\n");
scanf("%d",&value);
switch(value)
{
case 1:
res=num1+num2;
printf("The sum is:%d",res);
break;
case 2:
res=num1-num2;
printf("The subtraction is:%d",res);
break;
case 3:
res=num1/num2;
printf("The division is:%d",res);
break;
case 4:
res=num1*num2;
printf("The multiplication is:%d",res);
break;
case 5:
exit(0);
break;
default:
printf("Wrong input.Try Again!");
}
return 0;
}
#include<stdio.h>
#include<stdlib.h>
int main()
{
int x=0,y=1,z,i,fac=1;
int value;
printf("\n Press 1 for fibbonacci series");
printf("\n Press 2 for factorial");
printf("\n Press 3 for printing even series");
printf("\n Press 4 for printing odd series");
printf("\n Press 5 for EXIT");
printf("\n");
scanf("%d",&value);
switch(value)
{
case 1:
printf("Fibbonacci series is:");
printf("%d %d",x,y);
for(i=1;i<=8;i++)
{
z=x+y;
x=y;
y=z;
printf(" %d",z);
}
break;
case 2:
for(i=1;i<=5;i++)
{
fac=fac*i;
}
printf("factorial of 5 is:%d",fac);
break;
case 3:
printf("even series is:");
for(i=0;i<=10;i=i+2)
{
printf("%d ",i);
}
break;
case 4:
printf("odd series is:");
for(i=1;i<=10;i=i+2)
{
printf("%d ",i);
}
case 5:
exit(0);
break;
default:
printf("wrong input,Please try again");
}}
#include<stdio.h>
#include<stdlib.h>
int main()
{
int value,n;
char a;
int x=0,y=1,z,i,fac=1;
printf("\n Press 1 for even numbers");
printf("\n Press 2 for odd numbers");
printf("\n Press 3 for square of the number");
printf("\n Press 4 for character series");
printf("\n Press 5 for EXIT");
printf("\n");
scanf("%d",&value);
switch(value)
{
case 1:
printf("Enter nth number:");
scanf("%d",&n);
printf("even series is:");
for(i=0;i<=n;i=i+2)
{
printf("%d ",i);
}
break;
case 2:
printf("Enter nth number:");
scanf("%d",&n);
printf("odd series is:");
for(i=1;i<=n;i=i+2)
{
printf("%d ",i);
}
break;
case 3:
printf("Enter nth number:");
scanf("%d",&n);
printf("the square is: %d",n*n);
break;
case 4:
printf("\n Enter any character in lowercase:");
scanf("%s",&a);
for(i=97;a<=122;a++)
{
printf("%c ",a);
}
break;
case 5:
exit(0);
break;
default:
{
printf("wrong input");
}
break;
}}
#include<stdio.h>
int main()
{
int i;
for(i=1;i<=10;i++)
{
printf("*");
}
}
#include<stdio.h>
int main()
{
int i;
for(i=1;i<=7;i++)
{
printf("*");
printf("\n");
}
}
#include<stdio.h>
int main()
{
int i;
for(i=1;i<=6;i++)
{
printf(" *");
printf("\nCOMPUHELP\n");
}
}
#include<stdio.h>
int main()
{
int i;
for(i=0;i<=9;i++)
{
printf("%d ",i);
}
}
#include<stdio.h>
int main()
{
int i;
for(i=9;i>=0;i--)
{
printf("%d ",i);
}
}
#include<stdio.h>
int main()
{
int i;
for(i=5;i<=20;i++)
{
printf("%d ",i);
}
}
#include<stdio.h>
int main()
{
int i;
for(i=45;i>=7;i--)
{
printf("%d ",i);
}
}
#include<stdio.h>
int main()
{
int i;
for(i=1;i<=20;i+=2)
{
printf("%d\n",i);
}
}
#include<stdio.h>
int main()
{
int i;
for(i=0;i<=20;i+=2)
{
printf("%d\n",i);
}
}
#include<stdio.h>
int main()
{
int i,num;
printf("Enter number ");
scanf("%d",&num);
for(i=1;i<=num;i+=2)
{
printf("%d\n",i);
}
}
#include<stdio.h>
int main()
{
int i,num;
printf("Enter number ");
scanf("%d",&num);
for(i=0;i<=num;i+=2)
{
printf("%d\n",i);
}
}
#include<stdio.h>
int main()
{
int i;
for(i=0;i<=50;i+=3)
{
printf("%d\n",i);
}
}
#include<stdio.h>
int main()
{
int i,num,a=0,b=1,res=0;
printf("Enter the number till you want to print the fibonacci series : ");
scanf("%d",&num);
printf("%d %d",a,b);
for(i=0;res<=num;i++)
{
res=a+b;
a=b;
b=res;
printf(" %d",res);
}
}
#include<stdio.h>
int main()
{
int i,num,prod=1;
printf("Enter the number till you want to print the series : ");
scanf("%d",&num);
for(i=0;prod<=num;i++)
{
printf(" %d",prod);
prod=2*prod;
}
}
#include<stdio.h>
int main()
{
int i,num,fact=1;
printf("Enter the number whose factorial you want to print: ");
scanf("%d",&num);
for(i=1;i<=num;i++)
{
fact=fact*i;
printf("%d*",i);
}
printf("\b=%d",fact);
}
#include<stdio.h>
int main()
{
int i,num,sum=0;
printf("Enter the number whose sum of series you want to print: ");
scanf("%d",&num);
for(i=1;i<=num;i++)
{
sum=sum+i;
printf("%d+",i);
}
printf("\b=%d",sum);
}
#include<stdio.h>
int main()
{
int m,n,i,res=1;
printf("Enter the value for m and n");
scanf("%d%d",&m,&n);
for(i=1;i<=n;i++)
{
res=res*m;
}
printf("%d",res);
}
#include<stdio.h>
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=3;col++)
{
printf("*");
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col,k=1;
for(row=1;row<=3;row++)
{
for(col=1;col<=3;col++)
{
printf("%d",k);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=3;col++)
{
printf("%d",col);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=3;col++)
{
printf("%d",row);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col,k=1;
for(row=1;row<=3;row++)
{
for(col=1;col<=3;col++)
{
printf("%d",k);
k++;
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=1;col<=3;col++)
{
printf("%d",row);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col,k=9;
for(row=3;row>=1;row--)
{
for(col=1;col<=3;col++)
{
printf("%d",k);
k--;
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=3;col>=1;col--)
{
printf("%d",col);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=row;col++)
{
printf("*");
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=1;col<=row;col++)
{
printf("*");
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=row;col++)
{
printf("%d",col);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=row;col++)
{
printf("%d",row);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=3;col>=row;col--)
{
printf("%d",row);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=3;col>=row;col--)
{
printf("%d",row);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=row;col<=3;col++)
{
printf("%d",col);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=3;col>=row;col--)
{
printf("%d",col);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col,k;
for(row=1;row<=3;row++)
{
for(k=row;k>=2;k--)
{
printf(" ");
}
for(col=3;col>=row;col--)
{
printf("*");
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col,k;
for(row=3;row>=1;row--)
{
for(k=2;k>=row;k--)
{
printf(" ");
}
for(col=1;col<=row;col++)
{
printf("%d",col);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col,k;
for(row=1;row<=3;row++)
{
for(k=row;k>=2;k--)
{
printf(" ");
}
for(col=row;col<=3;col++)
{
printf("%d",row);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=row;col++)
{
printf("* ");
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int i,j,k;
for(i=1;i<=4;i++)
{
for(k=3;k>=i;k--)
{
printf(" ");
}
for(j=1;j<=i;j++)
{
printf("* ");
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
//65 is ASCII value of A
for(row=65;row<=67;row++)
{
for(col=65;col<=row;col++)
{
printf("%c ",col);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int row,col;
//65 is ASCII value of A
for(row=65;row<=67;row++)
{
for(col=67;col>=row;col--)
{
printf("%c ",col);
}
printf("\n");
}
}
#include<stdio.h>
int main()
{
int i,j,k;
//65 is ASCII value of A
for(i=65;i<=67;i++)
{
for(k=66;k>=i;k--)
{
printf(" ");
}
for(j=65;j<=i;j++)
{
printf("%c ",j);
}
printf("\n");
}
}
1. for(i=1;i<=3;i++)
{
printf("%d",i);
printf("thanks\n");
}
printf("\n");
printf("welcome");
printf("%d", i);
2. int i=1;
for ( ;i<=3;i++)
{
printf ("hello");
printf ("%d", i);
printf ("\n");
}
printf ("%d", i);
3. int j=3;
for ( ; j>=1; )
{
printf ("%d", j);
printf ("\n");
}
printf ("welcome");
printf ("%d", j);
4. for(i=1;i<=3;i++)
printf("\n hello");
printf("%d", i);
printf("welcome");
5. for( ;i>=1;i--)
{
printf("hello");
printf("\n thanks");
printf ("%d", i);
}
printf ("\n welcome");
printf ("%d",i);
6. int i=0;
For( ; ; )
{
If(i<5)
{printf("\nHello");
i++;
}
}
7. for(i=0;i<10;i++);
{
printf("\n%d",i);
}
8. for(i=0;i>=5;i--)
{
printf("\n%d",i);
}
9. int i=5;
for(i=0;i>=5;i--)
{
printf("\n%d",i);
}
10. int i=9,ctr=0;
for(;ctr<=i;i--)
{
printf("%d",i);
Ctr++;
}
11. int i=-5,ctr=0;
for(;;i++)
if(i<ctr)
{
printf("%d",ctr);
c++;
}
12. int i=91;
for(;;i--)
if(i>0)
printf("%d",i); printf("bye");
#include<stdio.h>
int main()
{
int i, m,n=0;
printf("enter nth number:");
scanf("%d",&n);
while(m<=n)
{
printf("%d ",m);
m++;
}
}
#include<stdio.h>
int main()
{
int i,m;
printf("enter starting number:");
scanf("%d",&m);
while(m>=0)
{
printf("%d ",m);
m--;
}
}
#include<stdio.h>
int main()
{
int i,n,cnt=1;
printf("enter any number:");
scanf("%d",&n);
while(cnt<=10)
{
printf("\n%d*%d=%d",n,cnt,n*cnt);
cnt++;
}
}
#include<stdio.h>
int main()
{
int i,num,x=0,y=1,z=1;
printf("enter any number:");
scanf("%d",&num);
printf("%d %d",x,y);
do
{
z=x+y;
printf(" %d",z);
x=y;
y=z;
}
while(z<=(num-x));
}
#include<stdio.h>
int main()
{
int num=1,m1,m2,m3;
float avg=0;
while(num<=5)
{
printf("\nEnter your marks in maths:");
scanf("%d",&m1);
printf("\nEnter your marks in english:");
scanf("%d",&m2);
printf("\nEnter your marks in hindi:");
scanf("%d",&m3);
avg=(m1+m2+m3)/3;
printf("The average marks is:%f",avg);
printf("\n");
num++;
}
}
#include<stdio.h>
int main()
{
int num=0,rev=0;
printf("enter a number:");
scanf("%d",&num);
printf("The reverse of the number is:");
while(num>=1)
{
rev=num%10;
num=num/10;
printf("%d",rev);
}
}
#include<stdio.h>
int main()
{
int num=0, fac=1;
printf("enter the number:");
scanf("%d",&num);
printf("The factorial of the number is:");
while(num>=1)
{
fac=fac*num;
printf("%d*",num);
num--;
}
printf("\b=%d",fac);
}
#include<stdio.h>
int main()
{
int i,m,n,res=1,count=1;
printf("enter the number:");
scanf("%d",&m);
printf("Enter the power:");
scanf("%d",&n);
while(count<=n)
{
res=res*m;
count++;
}
printf("the result is:%d",res);
}
#include<stdio.h>
int main()
{
int n,r,sum=0,temp;
printf("Enter the number: ");
scanf("%d",&n);
temp=n;
while(n>0)
{
r=n%10;
sum=(sum*10)+r;
n=n/10;
}
if(temp==sum)
{
printf("palindrome number ");
}
else
{
printf("not palindrome");
}
return 0;
}
//Code to check whether a number is armstrong number or not
#include<stdio.h>
int main()
{
int n,r,sum=0,temp;
printf("enter the number=");
scanf("%d",&n);
temp=n;
while(n>0)
{
r=n%10;
sum=sum+(r*r*r);
n=n/10;
}
if(temp==sum)
printf("armstrong number ");
else
printf("not armstrong number");
return 0;
}//end of main
//Code to check whether a number is prime number or not
#include<stdio.h>
int main()
{
int n,m=0,i,flag=0;
printf("Enter number to check prime number or not");
scanf("%d",&n);
i=2;
m=n/2;
while( i<=m)
{
// check for non prime number
if(n%i==0)
{
flag=1;
break;
}
i++;
}
if (flag==0)
{
printf("%d is a prime number.",n);
}
else
{
printf("%d is not a prime number.",n);
}
return 0;
}//end of main
//program to accept a character from the user
#include<stdio.h>
int main()
{
char ch;
printf("Enter a character :");
scanf("%c",&ch);
printf("\n The character is %c",ch);
return 0;
}
//Program to accept a character in lower case and display it in uppercase.
#include<stdio.h>
int main()
{
char ch;
printf("Enter a character :");
scanf("%c",&ch);
ch=ch-32;
printf("\n The character is %c",ch);
return 0;
}
//program to accept a character from the user and display its ASCII value.
#include<stdio.h>
int main()
{
char ch;
printf("Enter a character :");
scanf("%c",&ch);
printf("\n The ASCII value of %c is %d ",ch,ch);
return 0;
}
// program to accept a character in uppercase and display it in lowercase.
#include<stdio.h>
int main()
{
char ch;
printf("Enter a character in upper case :");
scanf("%c",&ch);
ch=ch+32;
printf("\n The character in lower case is %c",ch);
return 0;
}
// program to display the ASCII values of 0 and 9.
#include<stdio.h>
int main()
{
char ch1,ch2;
ch1='0';
ch2='9';
printf("\n The ASCII value of 0 is %d",ch1);
printf("\n The ASCII value of 9 is %d",ch2);
return 0;
}
// program to display the ASCII values fron 0 to 9.
#include<stdio.h>
int main()
{
char ch;
ch='0';
int i;
for(i=0;i<=9;i++)
{
printf("\n The ASCII of %c is %d",ch,ch);
ch++;
}
return 0;
}
/*program to display the ASCII values of all characters from A to Z.*/
#include<stdio.h>
int main()
{
char ch;
ch='A';
int i;
for(i=1;i<=26;i++)
{
printf("\n The ASCII of %c is %d",ch,ch);
ch++;
}
return 0;
}
/* program to accept a character using getch(),getche()
and getchar() functions and display the character.*/
#include<stdio.h>
int main()
{
char ch;
printf("\n Accepting a character using getch() :");
ch=getch();
printf("\n The character is %c",ch);
printf("\n Accepting a character using getche() :");
ch=getche();
printf("\n The character is %c",ch);
printf("\n Accepting a character using getchar() :");
ch=getchar();
printf("\n The character is %c",ch);
return 0;
}
/* program to let the user press any key on the keyboard until x
but count only how many upper case character keys are pressed on the keyboard?*/ #include<stdio.h> int main() { char ch; int keys=0; printf("\n Press any key including upper case alphabets:"); while(1) { ch=getche(); if((ch>=65)&&(ch<=90)) { keys++; } if((ch=='x')||(ch=='X')) { break; } }//end of while loop printf("\n The uppercase character keys are pressed (%d) Times",keys); getch(); return 0; }
#include<stdio.h>
int main()
{
int arr[5],i;
printf("Enter array elements ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr[i]);
}
for(i=0;i<=4;i++)
{
printf("\n Element is %d",arr[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[5],i;
printf("Enter array elements ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr[i]);
}
for(i=4;i>=0;i--)
{
printf("\n Element is %d",arr[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[5],arr1[5],i;
printf("Enter array elements ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr[i]);
}
printf("\n The copy of array elements is :\n");
for(i=0;i<=4;i++)
{
arr1[i]=arr[i];
printf("\n Element is %d",arr1[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[5],arr1[5],i,j;
printf("Enter array elements ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr[i]);
}
printf("\n The copy of array elements is :\n");
j=0;
for(i=4;i>=0;i--)
{
arr1[j]=arr[i];
printf("\n Element is %d",arr1[j]);
j++;
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[5],i,sum=0;
printf("Enter array elements ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr[i]);
}
printf("\nThe sum of array elements is :\n");
for(i=0;i<=4;i++)
{
sum=sum+arr[i];
printf("%d+",arr[i]);
}
printf("\b=%d",sum);
return 0;
}
#include<stdio.h>
int main()
{
int arr1[5],arr2[5],sum[5],i;
printf("Enter array elements in first array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr1[i]);
}
printf("Enter array elements in second array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr2[i]);
}
printf("\n The sum of array elements is :\n");
for(i=0;i<=4;i++)
{
sum[i]=arr1[i]+arr2[i];
printf(" %d",sum[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int arr1[5],arr2[5],diff[5],i;
printf("Enter array elements in first array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr1[i]);
}
printf("Enter array elements in second array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr2[i]);
}
printf("\n THE DIFFERENCE OF EACH ELEMENT OF THE TWO ARRAYS IS:\n");
for(i=0;i<=4;i++)
{
diff[i]=arr1[i]-arr2[i];
printf(" %d",diff[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[5],i,large=0,loc;
printf("Enter the elements of an array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr[i]);
}
printf("The elements of an array is:\n ");
for(i=0;i<=4;i++)
{
printf("\nElement is %d",arr[i]);
if(arr[i]>large)
{
large=arr[i];
loc=i+1;
}
}
printf("\n The element is :%d",large);
printf("\n The location is: %d",loc);
return 0;
}
#include<stdio.h>
int main()
{
int arr[5],i,small,loc;
printf("Enter the elements of an array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr[i]);
}
small=arr[0];
printf("The elements of an array is:\n ");
for(i=0;i<=4;i++)
{
printf("\nElement is %d",arr[i]);
if(small>arr[i])
{
small=arr[i];
loc=i+1;
}
}
printf("\n The smallest element is :%d",small);
printf("\n The location is: %d",loc);
return 0;
}
#include<stdio.h>
int main()
{
int arr[5],i,j,temp;
printf("Enter the elements of an array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr[i]);
}
for(i=0;i<=4;i++)
{
for(j=i+1;j<5;j++)
{
if(arr[i]>arr[j])
{
temp=arr[i];
arr[i]=arr[j];
arr[j]=temp;
}
}
}
printf("\nThe sorted array is: \n");
for(i=0;i<=4;i++)
{
printf(" %d",arr[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[5],i,j,temp;
printf("Enter the elements of an array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr[i]);
}
for(i=0;i<=4;i++)
{
for(j=i+1;j<5;j++)
{
if(arr[i]<arr[j])
{
temp=arr[i];
arr[i]=arr[j];
arr[j]=temp;
}
}
}
printf("\nThe sorted array is: \n");
for(i=0;i<=4;i++)
{
printf(" %d",arr[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[5],i,n,flag=0;
printf("Enter the elements of an array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr[i]);
}
printf("The elements of an array is: \n");
for(i=0;i<=4;i++)
{
printf(" %d",arr[i]);
}
printf("\n Enter any number which you want to search: ");
scanf("%d",&n);
for(i=0;i<=4;i++)
{
if(arr[i]==n)
{
flag=1;
printf("\n Number is found at %d location",i+1);
}
}
if(flag==0)
{
printf("Number is not found");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[3][3],i,j;
printf("Enter array elements:");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("The array elements are:");
printf("\n");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
printf("%d",arr[i][j]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[2][2],arr1[2][2],i,j;
printf("Enter array elements:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("\n The copy of the matrix is:");
printf("\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
arr1[i][j]=arr[i][j];
printf("%d",arr1[i][j]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[2][2],arr1[2][2],i,j;
printf("Enter array elements:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("\n The reverse copy of the matrix is:");
printf("\n");
for(i=1;i>=0;i--)
{
for(j=1;j>=0;j--)
{
arr1[i][j]=arr[i][j];
printf("%d",arr1[i][j]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[2][2],arr1[2][2],i,j;
printf("Enter array elements:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("\n The reverse copy of the matrix is:");
printf("\n");
for(i=1;i>=0;i--)
{
for(j=1;j>=0;j--)
{
arr1[i][j]=arr[i][j];
printf("%d",arr1[i][j]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[2][2],i,j;
printf("Enter the elements of the matrix:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("\n The reverse of the matrix is:");
printf("\n");
for(i=1;i>=0;i--)
{
for(j=1;j>=0;j--)
{
printf("%d",arr[i][j]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[2][2],i,j,sum=0;
printf("Enter the elements of the matrix:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("\n The sum of elements is:");
printf("\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
sum=sum+arr[i][j];
printf("%d+",arr[i][j]);
}}
printf("\b=%d",sum);
return 0;
}
#include<stdio.h>
int main()
{
int arr1[3][3],arr2[3][3],arr3[3][3],i,j;
printf("Enter the elements first matrix:");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&arr1[i][j]);
}}
printf("\n Enter the element of second matrix:");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&arr2[i][j]);
}}
printf("\n The sum of two matrices is:");
printf("\n");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
arr3[i][j]=arr1[i][j]+arr2[i][j];
printf("%d",arr3[i][j]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr1[3][3],arr2[3][3],arr3[3][3],i,j;
printf("Enter the elements first matrix:");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&arr1[i][j]);
}}
printf("\n Enter the element of second matrix:");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&arr2[i][j]);
}}
printf("\n The subtraction of two matrices is:");
printf("\n");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
arr3[i][j]=arr1[i][j]-arr2[i][j];
printf("%d",arr3[i][j]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr1[3][3],arr2[3][3],arr3[3][3],i,j;
printf("Enter the elements first matrix:");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&arr1[i][j]);
}}
printf("\n Enter the element of second matrix:");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&arr2[i][j]);
}}
printf("\n The subtraction of two matrices is:");
printf("\n");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
arr3[i][j]=arr1[i][j]/arr2[i][j];
printf("%d",arr3[i][j]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[2][2],arr1[2][2],arr2[2][2],i,j,k;
printf("Enter the elements of first matrix:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr[i][j]);
}}
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("%d",arr[i][j]);
}
printf("\n");
}
printf("\n Enter the elements of the second matrix:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr1[i][j]);
}}
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("%d",arr1[i][j]);
}
printf("\n");
}
printf("\nThe multiplication is");
printf("\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
arr2[i][j]=0;
for(k=0;k<2;k++)
{
arr2[i][j]=arr2[i][j]+arr[i][k]*arr1[k][j];
}
printf("%d",arr2[i][j]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[2][2],i,j,large=0,k,l;
printf("Enter the element:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("\n The elements of the matrix are: ");
printf("\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("%d",arr[i][j]);
}
printf("\n");
}
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
if(arr[i][j]>large)
{
large=arr[i][j];
k=i+1;
l=j+1;
}}}
printf("The greatest element is %d and present in %d row and in %d column",large,k,l);
return 0;
}
#include<stdio.h>
int main()
{
int arr[2][2],i,j,small,k,l;
printf("Enter the element:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("\n The elements of the matrix are: ");
printf("\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("%d",arr[i][j]);
}
printf("\n");
}
small=arr[0][0];
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
if(arr[i][j]<small)
{
small=arr[i][j];
k=i+1;
l=j+1;
}}}
printf("The smallest element is %d and present in %d row and in %d column",small,k,l);
return 0;
}
#include<stdio.h>
int main()
{
int arr[2][2],i,j,k,l;
int small;
printf("Enter the element:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("\n The elements of the matrix are: ");
printf("\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("%d",arr[i][j]);
}
printf("\n");
}
printf("\n The transpose of the matrix is:");
printf("\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("%d",arr[j][i]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[2][2],i,j,k,l;
int small;
printf("Enter the element:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("\n The elements of the matrix are: ");
printf("\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("%d",arr[i][j]);
}
printf("\n");
}
printf("\n The transpose of the matrix is:");
printf("\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("%d",arr[j][i]);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[3][3],i,j,n,flag=1;
printf("Enter the array elements: \n");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&arr[i][j]);
}}
printf("\n The elements of array is: ");
printf("\n");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
printf("%d",arr[i][j]);
}
printf("\n");
}
printf("\n Enter any no.which you want to search: ");
scanf("%d",&n);
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
if(arr[i][j]==n)
{
flag=0;
printf("Number is found at %d row and %d column",i+1,j+1);
}}}
if(flag==1)
{
printf("number is not found");
}
return 0;
}
#include<stdio.h>
int main()
{
char name[30];
printf("Enter a string ");
//scanf("%s",name);
//scanf()function cannot read spaces
gets(name);//read the string with spaces
printf("You entered: %s",name);
}
#include<stdio.h>
int main()
{
char name[20];
int i,j;
printf("Enter a string");
gets(name);
for(i=0;name[i]!='\0';i++);
//Loop with i will count the length of a string
//So, i will store the length of a string
for(j=i-1;j> =0;j--)
{
printf("%c",name[j]);
}
}
#include<stdio.h>
int main()
{
char name[20];
int i;
printf("Enter a string ");
gets(name);
for(i=0;name[i]!='\0';i++);
printf("The length of the string is: %d",i);
return 0;
}
#include<stdio.h>
int main()
{
char name[20];
int i;
printf("Enter a string in uppercase: ");
gets(name);
printf("\nThe string in lowercase: ");
for(i=0;name[i]!='\0';i++)
{
if((name[i]>='A')&&(name[i]<='Z'))
{
name[i]=name[i]+32;
}
}
puts(name);
return 0;
}
#include<stdio.h>
int main()
{
char name[20];
int i;
printf("Enter a string in lowercase: ");
gets(name);
printf("\nThe string in uppercase: ");
for(i=0;name[i]!='\0';i++)
{
if((name[i]>='a')&&(name[i]<='z'))
{
name[i]=name[i]-32;
}
}
puts(name);
return 0;
}
#include<stdio.h>
int main()
{
char name[20];
int i,cnt=0;
printf("Enter a string in lowercase:");
gets(name);
printf("\nThe vowels are: ");
for(i=0;name[i]!='\0';i++)
{
if((name[i]=='a')||(name[i]=='e')||(name[i]=='i')||(name[i]=='o')||(name[i]=='u')||(name[i]=='A')||(name[i]=='E')||(name[i]=='I')||(name[i]=='O')||(name[i]=='U'))
{
printf("%c",name[i]);
cnt++;
}
}
printf("\n The number of vowel is:%d",cnt);
return 0;
}
#include<stdio.h>
int main()
{
char name[20];
int i,cnt=0;
printf("Enter a string:");
gets(name);
printf("\nThe consonants are: ");
for(i=0;name[i]!='\0';i++)
{
if((name[i]!='a')&&(name[i]!='e')&&(name[i]!='i')&&(name[i]!='o')&&(name[i]!='u')&&(name[i]!='A')&&(name[i]!='E')&&(name[i]!='I')&&(name[i]!='O')&&(name[i]!='U'))
{
printf("%c",name[i]);
cnt++;
}
}
printf("\n The number of consonants are:%d",cnt);
return 0;
}
#include<stdio.h>
int main()
{
char name[20],name1[20];
int i,cnt=0;
printf("Enter a string ");
gets(name);
printf("\nThe copy of string: ");
for(i=0;name[i]!='\0';i++)
{
name1[i]=name[i];
printf("%c",name[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
char name[50];
int i,wrd=0;
printf("Enter a sentence: ");
gets(name);
printf("The number of words are: ");
for(i=0;name[i]!='\0';i++)
{
if(name[i]==' ')
wrd++;
}
printf("%d",wrd+1);
return 0;
}
#include<stdio.h>
int main()
{
char str1[20],str2[20],str3[50];
int i,j;
printf("Enter first string:");
gets(str1);
printf("Enter second string:");
gets(str2);
for(i=0;str1[i]!='\0';i++)
{
str3[i]=str1[i];
}
for(j=0;str2[j]!='\0';j++)
{
str3[i]=str2[j];
i++;
}
str3[i]='\0';
printf("\n%s",str3);
return 0;
}
#include<stdio.h>
int main()
{
int num1,num2,res;
int *aptr,*bptr,*cptr;
printf("Enter first number ");
scanf("%d",&num1);
printf("Enter second number ");
scanf("%d",&num2);
aptr=&num1;
bptr=&num2;
cptr=&res;
*cptr=(*aptr)+(*bptr);
printf("\n sum is %d",*cptr);
}
#include<stdio.h>
int main()
{
int num1,num2,temp;
int *aptr,*bptr;
printf("Enter first number ");
scanf("%d",&num1);
printf("Enter second number ");
scanf("%d",&num2);
printf("\n Values before swapping is : num1=%d, num2=%d",num1,num2);
aptr=&num1;
bptr=&num2;
temp=*aptr;
*aptr=*bptr;
*bptr=temp;
printf("\n Values after swapping is : num1=%d, num2=%d",*aptr,*bptr);
}
#include<stdio.h>
int main()
{
int arr[5],i,*ptr;
for(i=0;i<5;i++)
{
printf("Enter array elements ");
scanf("%d",&arr[i]);
}
printf("\n The reverse of elements are: \n");
for(i=4;i>=0;i--)
{
ptr=&arr[i];
printf(" %d",*ptr);
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[5],i,*ptr,sum=0;
for(i=0;i<5;i++)
{
printf("Enter array elements ");
scanf("%d",&arr[i]);
}
printf("\n The sum of array elements is: ");
for(i=0;i<=4;i++)
{
ptr=&arr[i];
sum=sum+(*ptr);
}
printf(" %d",sum);
return 0;
}
#include<stdio.h>
int main()
{
int arr1[5],arr2[5],sum[5],i;
int *ptr1,*ptr2,*res;
printf("Enter array elements in first array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr1[i]);
}
printf("Enter array elements in second array ");
for(i=0;i<=4;i++)
{
scanf("%d",&arr2[i]);
}
printf("\n The sum of array elements is :\n");
for(i=0;i<=4;i++)
{
ptr1=&arr1[i];
ptr2=&arr2[i];
res=&sum[i];
*res=*ptr1+(*ptr2);
printf(" %d",*res);
}
return 0;
}
#include<stdio.h>
int main()
{
int i,num,*ptr;
printf("Enter the number for the limit of series: ");
scanf("%d",&num);
for(i=0;i<=num;i++)
{
ptr=&i;
printf(" %d",*ptr);
}
return 0;
}
#include<stdio.h>
int main()
{
int arr[3][3],i,j,sum=0;
int *ptr;
printf("Enter array elements: \n");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&arr[i][j]);
}
}
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
ptr=&arr[i][j];
sum=sum+(*ptr);
}
}
printf("\nThe sum of array elements is: %d",sum);
return 0;
}
#include<stdio.h>
void sum() //definition or body of sum()
{
int num1,num2,num3,num4,res;
printf("Enter first number: ");
scanf("%d",&num1);
printf("Enter second number: ");
scanf("%d",&num2);
printf("Enter third number: ");
scanf("%d",&num3);
printf("Enter fourth number: ");
scanf("%d",&num4);
res=num1+num2+num3+num4;
printf("\n The sum of all numbers is %d",res);
}
int main()
{
printf("Calling sum function: \n");
//function with no arguments and no return type
sum();//calling sum() function
return 0;
}
#include<stdio.h>
int num1,num2,res;//global declaration
void input()
{
printf("Enter first number: ");
scanf("%d",&num1);
printf("Enter second number: ");
scanf("%d",&num2);
}//end of input function
void sum()
{
res=num1+num2;
printf("\n The sum of numbers is %d",res);
}//end of sum function
void subtract()
{
if(num1>num2)
{
res=num1-num2;
}
else
{
res=num2-num1;
}
printf("\n The subtraction of numbers is %d",res);
}//end of subtract function
void multiply()
{
res=num1*num2;
printf("\n The multiplication of numbers is %d",res);
}//end of multiply function
void division()
{
res=num1/num2;
printf("\n The division of numbers is %d",res);
}//end of division function
int main()
{
char ch;
printf("\nPress + for addition \n");
printf("\nPress - for subtraction \n");
printf("\nPress * for multiplication \n");
printf("\nPress / for division \n");
scanf("%c",&ch);
switch(ch)
{
case '+':
input();
sum(); //calling sum function
break;
case '-':
input();
subtract();//calling subtract() function
break;
case '*':
input();
multiply();//calling multiply() function
break;
case '/':
input();
division();//calling division() function
break;
default:
printf("Invalid choice");
}
return 0;
}//end of main
#include<stdio.h>
void odd(int n)
{
int i;
printf("\n The odd series is : ");
for(i=1;i<=n;i+=2)
{
printf("%d ",i);
}//end of loop
}//end of function
int main()
{
int num;
printf("Enter the nth number: ");
scanf("%d",&num);
odd(num);
return 0;
}//end of main
#include<stdio.h>
void even(int n)
{
int i;
printf("\n The even series is : ");
for(i=0;i<=n;i+=2)
{
printf("%d ",i);
}//end of loop
}//end of function
int main()
{
int num;
printf("Enter the nth number: ");
scanf("%d",&num);
even(num);
return 0;
}//end of main
#include<stdio.h>
void display(char ch1,int n)
{
int i;
for(i=1;i<=n;i++)
{
printf(" %c",ch1);
}
}
int main()
{
char ch;
int num;
printf("Enter a character: ");
scanf("%c",&ch);
printf("Enter the limit: ");
scanf("%d",&num);
display(ch,num);
return 0;
}//end of main
#include<stdio.h>
void series(int a,int b)
{
int i;
printf("\n The series is : ");
for(i=a;i<=b;i++)
{
printf("%d ",i);
}
}
int main()
{
int m,n;
printf("Enter starting value: ");
scanf("%d",&m);
printf("Enter ending value: ");
scanf("%d",&n);
series(m,n);
return 0;
}//end of main
#include<stdio.h>
void is_pos_neg(int n)
{
if(n>0)
printf("Number is positive");
else if(n<0)
printf("Number is negative");
else
printf("You entered zero");
}
int main()
{
int num;
printf("Enter any number:");
scanf("%d",&num);
is_pos_neg(num);
return 0;
}//end of main
#include<stdio.h>
void fibonacci(int n)
{
int i,j=0,k=1,m;
printf("%d %d",j,k);
for(i=1;i<=n;i++)
{
m=j+k;
j=k;
k=m;
if(m<=n)
printf(" %d",m);
}//end of loop
}//end of function
int main()
{
int num;
printf("Enter ending value: ");
scanf("%d",&num);
fibonacci(num);
return 0;
}//end of main
#include<stdio.h>
void to_upper(char a)
{
int i;
printf("The alphabet in uppercase is: ");
if((a>='a')&&(a<='z'))
{
a=a-32;
}//end of if
printf("%c",a);
}//end of function
int main()
{
char ch;
printf("Enter an alphabet in lowercase: ");
scanf("%c",&ch);
to_upper(ch);
return 0;
}//end of main
#include<stdio.h>
void to_lower(char a)
{
int i;
printf("The alphabet in lowercase is: ");
if((a>='A')&&(a<='Z'))
{
a=a+32;
}//end of if
printf("%c",a);
}//end of function
int main()
{
char ch;
printf("Enter an alphabet in Uppercase: ");
scanf("%c",&ch);
to_lower(ch);
return 0;
}//end of main
#include<stdio.h>
void series(int n)
{
int i,j,sum=0;
printf("Series: ");
for(i=1;i<=n;i++)
{
j=i*i;
sum=sum+j;
printf("%d+",j);
}
printf("\b=%d",sum);
}//end of function
int main()
{
int num;
printf("Enter a number: ");
scanf("%d",&num);
series(num);
return 0;
}//end of main
#include<stdio.h>
int factorial(int n)
{
int i,fac=1;
printf("The factorial is: ");
for(i=n;i>=1;i--)
{
fac=fac*i;
printf("%d*",i);
}
return(fac);
}//end of function
int main()
{
int num,ans;
printf("Enter a number: ");
scanf("%d",&num);
ans=factorial(num);
printf("\b=%d",ans);
return 0;
}//end of main
#include<stdio.h>
void swap(int a,int b)
{
int c;
printf("\nThe value of numbers before swapping is: ");
printf("\n First: %d",a);
printf("\n Second : %d",b);
c=a;
a=b;
b=c;
printf("\nThe value of numbers after swapping is:");
printf("\n First: %d",a);
printf("\n Second: %d",b);
}//end of function
int main()
{
int x,y;
printf("Enter First number: ");
scanf("%d",&x);
printf("Enter Second number: ");
scanf("%d",&y);
swap(x,y);
return 0;
}//end of main
#include<stdio.h>
int fact(int value)
{
int ans;
if((value==0)||(value==1))
return(1);
else
ans=value*fact(value-1);
return(ans);
}//end of function
int main()
{
int i,n,fac;
printf("Enter any number: ");
scanf("%d",&n);
fac=fact(n);
printf("The factorial is: ");
for(i=n;i>=1;i--)
{
printf("%d*",i);
}
printf("\b=%d",fac);
return 0;
}//end of main
#include<stdio.h>
struct Student
{
char name[10];
int rollno;
float fee;
};
int main()
{
struct Student st;
printf("Enter name: ");
gets(st.name);
printf("Enter rollno: ");
scanf("%d",&st.rollno);
printf("Enter fee: ");
scanf("%f",&st.fee);
printf("------------------");
printf("\nName is %s",st.name);
printf("\nRollno is %d",st.rollno);
printf("\nFee is %f",st.fee);
return 0;
}//end of main
#include<stdio.h>
struct Student
{
int rollno;
int marks[5];
};
int main()
{
struct Student st;
int i;
printf("Enter rollno: ");
scanf("%d",&st.rollno);
for(i=0;i<5;i++)
{
printf("Enter marks in %d subject: ",(i+1));
scanf("%d",&st.marks[i]);
}
printf("------------------");
printf("\nRollno is %d",st.rollno);
for(i=0;i<5;i++)
{
printf("\nMarks in %d subject are: %d ",(i+1),st.marks[i]);
}
return 0;
}//end of main
#include<stdio.h>
struct Student
{
char name[20];
int marks[9];
};
int main()
{
struct Student st;
int i,sum=0;
float avg;
printf("Enter name: ");
gets(st.name);
for(i=0;i<9;i++)
{
printf("Enter marks in %d subject: ",(i+1));
scanf("%d",&st.marks[i]);
sum=sum+st.marks[i];
}
avg=sum/9;
printf("\nName is %s",st.name);
printf("\nAverage is: %f",avg);
return 0;
}//end of main
#include<stdio.h>
struct employee
{
char name[10];
int salary;
int id;
};
int main()
{
int i;
struct employee emp[5];
for(i=0;i<5;i++)
{
printf("Enter name ");
//gets(emp[i].name);
scanf("%s",emp[i].name);
printf("Enter salary ");
scanf("%d",&emp[i].salary);
printf("Enter id ");
scanf("%d",&emp[i].id);
}
for(i=0;i<5;i++)
{
printf("\n Name is %s",emp[i].name);
printf("\n Salary is %d",emp[i].salary);
printf("\n Id is %d",emp[i].id);
printf("\n--------------------------");
}
return 0;
}//end of main
#include<stdio.h>
struct student
{
char name[10];
int subject[5];
};
int main()
{
struct student st[5];
int sum,avg,i,j;
for(i=0;i<5;i++)
{
sum=0;
printf("Enter name ");
scanf("%s",st[i].name);
printf("\nEnter the marks of %d student\n\n",i+1);
for(j=0;j<5;j++)
{
printf("Enter the marks of %d subject ",j+1);
scanf("%d",&st[i].subject[j]);
sum=sum+st[i].subject[j];
}
avg=sum/5;
printf("\n Average marks of %d student is %d\n\n",i+1,avg);
printf("\n");
}
return 0;
}//end of main
#include<stdio.h>
struct student
{
char name[10];
int subject[5];
};
int main()
{
struct student st,*ptr;
ptr=&st;
int sum=0,avg,i;
printf("Enter name: ");
gets(ptr->name);
for(i=0;i<5;i++)
{
printf("Enter the marks of %d subject: ",i+1);
scanf("%d",&ptr->subject[i]);
sum=sum+ptr->subject[i];
}
avg=sum/5;
printf("\n Average of five subjects is %d",avg);
return 0;
}//end of main
#include<stdio.h>
struct student
{
char name[10];
int subject[5];
};
int main()
{
struct student st[5],*ptr;
int sum,avg,i,j;
for(i=0;i<5;i++)
{
ptr=&st[i];
sum=0;
printf("Enter name: ");
scanf("%s",&ptr->name);
printf("\nEnter the marks of %d student\n",i+1);
for(j=0;j<5;j++)
{
printf("\nEnter the marks of %d subject: ",j+1);
scanf("%d",&ptr->subject[j]);
sum=sum+ptr->subject[j];
}
avg=sum/5;
printf("\n Average marks of %d student is %d",i+1,avg);
printf("\n\n-----------------------------------\n");
}
return 0;
}//end of main
#include<stdio.h>
struct student
{
int rollno;
char name[10];
int fee;
}st;
void display(struct student *st)
{
printf("\n Name is %s",st->name);
printf("\n Rollno is %d",st->rollno);
printf("\n Fee is %d",st->fee);
}
int main()
{
printf("Enter name : ");
scanf("%s",&st.name);
printf("Enter rollno : ");
scanf("%d",&st.rollno);
printf("Enter fee : ");
scanf("%d",&st.fee);
display(&st);
return 0;
}//end of main
#include<stdio.h>
int main()
{
FILE *fptr;
fptr=fopen("first.txt","w");
fprintf(fptr,"Welcome to Compuhelp");
printf("Data Saved");
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
int main()
{
FILE *fptr;
int num;
fptr=fopen("first.txt","w");
printf("Enter a number: ");
scanf("%d",&num);
fprintf(fptr,"%d",num);
printf("Data saved");
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
int main()
{
FILE *fptr;
int num;
fptr=fopen("first.txt","w");
printf("Enter a number ");
scanf("%d",&num);
fprintf(fptr,"%d",num);
printf("Data saved");
fclose(fptr);
fptr=fopen("first.txt","r");
fscanf(fptr,"%d",&num);
printf("\n\nValue of num= %d",num);
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
#include<stdlib.h>
int main()
{
FILE *fptr;
int num;
fptr=fopen("first.txt","w");
printf("Enter a number ");
scanf("%d",&num);
fprintf(fptr,"%d",num);
printf("Data saved");
fclose(fptr);
fptr=fopen("first.txt","r");
fscanf(fptr,"%d",&num);
printf("\n Now writing into another file");
fptr=fopen("second.txt","w");
fprintf(fptr,"%d",num);
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
#include<stdlib.h>
int main()
{
FILE *fptr;
char ch;
fptr=fopen("string.txt","w");
if(fptr==NULL)
{
printf("Error in opening file ");
exit(1);
}
fprintf(fptr,"welcome you in COMPUHELP");
printf("Data saved\n");
fclose(fptr);
fptr=fopen("string.txt","r");
while(ch!=EOF)
{
ch=fgetc(fptr);
printf("%c",ch);
}
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
#include<stdlib.h>
int main()
{
FILE *fptr;
char ch;
int count=0;
fptr=fopen("string.txt","w");
if(fptr==NULL)
{
printf("Error in opening file ");
exit(1);
}
fprintf(fptr,"welcome you in COMPUHELP");
printf("Data saved\n");
fclose(fptr);
fptr=fopen("string.txt","r");
while(ch!=EOF)
{
ch=fgetc(fptr);
printf("%c",ch);
count++;
}
printf("\n The number of characters are: %d",count);
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
#include<stdlib.h>
int main()
{
FILE *fptr;
char ch;
int count=0;
fptr=fopen("string.txt","w");
if(fptr==NULL)
{
printf("Error in opening file ");
exit(1);
}
fprintf(fptr,"welcome you in COMPUHELP");
printf("Data saved\n");
fclose(fptr);
fptr=fopen("string.txt","r");
while(ch!=EOF)
{
ch=fgetc(fptr);
if(ch=='a'||ch=='e'||ch=='i'||ch=='o'||ch=='u'||ch=='A'||ch=='E'||ch=='I'||ch=='O'||ch=='U')
{
count++;
printf("%c ",ch);
}
}
printf("\n The number of vowels are: %d",count);
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
#include<stdlib.h>
int main()
{
FILE *fptr;
char ch;
int upr=0,lwr=0;
fptr=fopen("string.txt","w");
if(fptr==NULL)
{
printf("Error in opening file ");
exit(1);
}
fprintf(fptr,"welcome you in COMPUHELP");
printf("Data saved\n");
fclose(fptr);
fptr=fopen("string.txt","r");
while(ch!=EOF)
{
ch=fgetc(fptr);
if(ch>=65 && ch<=90)
{
upr++;
//printf("%c ",ch);
}
if(ch>=97 && ch<=122)
{
lwr++;
//printf("%c ",ch);
}
}
printf("\n The number of Uppers are: %d",upr);
printf("\n The number of Lowers are: %d",lwr);
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
#include<stdlib.h>
int main()
{
FILE *fptr;
ch;
int space=0,word=0;
fptr=fopen("string.txt","w");
if(fptr==NULL)
{
printf("Error in opening file ");
exit(1);
}
fprintf(fptr,"welcome you in COMPUHELP");
printf("Data saved\n");
fclose(fptr);
fptr=fopen("string.txt","r");
while(ch!=EOF)
{
ch=fgetc(fptr);
if(ch==' ')
{
space++;
word++;
}
}
printf("\n The number of Spaces are: %d",space);
printf("\n The number of Words are: %d",(word+1));
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
#include<stdlib.h>
int main()
{
FILE *fptr;
char ch;
int line=0;
fptr=fopen("string.txt","w");
if(fptr==NULL)
{
printf("Error in opening file ");
exit(1);
}
fprintf(fptr,"welcome you in COMPUHELP\n Thanks to Join Compuhelp\nThanks\nBye");
printf("Data saved\n");
fclose(fptr);
fptr=fopen("string.txt","r");
while(ch!=EOF)
{
ch=fgetc(fptr);
if(ch=='\n')
{
line++;
}
}
printf("\n The number of Lines are: %d",(line+1));
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
int main()
{
FILE *fptr;
int num[10];
int i,even=0,odd=0;
fptr=fopen("first.txt","w");
printf("Enter number's ");
for(i=0;i<10;i++)
{
scanf("%d",&num[i]);
}
for(i=0;i<10;i++)
{
fprintf(fptr,"%d ",num[i]);
}
printf("Data saved");
fclose(fptr);
fptr=fopen("first.txt","r");
for(i=0;i<10;i++)
{
fscanf(fptr,"%d",&num[i]);
if(num[i]%2==0)
{
even++;
}
else
{
odd++;
}
}
printf("\n Number of even numbers are %d",even);
printf("\n Number of odd numbers are %d",odd);
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
#include<stdlib.h>
int main()
{
FILE *fptr;
char ch,ch1,name[50];
int line=0;
fptr=fopen("string.txt","w");
if(fptr==NULL)
{
printf("Error in opening file ");
exit(1);
}
printf("Enter a string ");
gets(name);
fprintf(fptr,"%s",name);
printf("Data saved\n");
fclose(fptr);
fptr=fopen("string.txt","r");
printf("Enter another character ");
scanf("%c",&ch1);
while(ch!=EOF)
{
ch=fgetc(fptr);
if(ch==ch1)
{
ch=ch-32;
printf("%c",ch);
}
else
{
printf("%c",ch);
}
}
fclose(fptr);
return 0;
}//end of main
#include<stdio.h>
#include<stdlib.h>
struct student
{
char name[20];
int rollno;
float fee;
};//end of structure
int main()
{
struct student st;
FILE *fptr;
char ch,ch1,name[50];
int line=0;
fptr=fopen("data.txt","w");
if(fptr==NULL)
{
printf("Error in opening file ");
exit(1);
}
printf("Enter a name ");
gets(st.name);
printf("Enter rollno ");
scanf("%d",&st.rollno);
printf("Enter fee ");
scanf("%f",&st.fee);
fprintf(fptr,"%s",st.name);
fprintf(fptr,"\n%d",st.rollno);
fprintf(fptr,"\n%f",st.fee);
printf("\nData saved");
fclose(fptr);
return 0;
}//end of main