#include<iostream>
using namespace std;
int main()
{
int marks;
cout<<"Enter marks";
cin>>marks;
if(marks>=80 && marks<=100)
{
cout<<"A Grade";
}
else if(marks>=60 && marks<80)
{
cout<<"B Grade";
}
else if(marks>=40 && marks<60)
{
cout<<"C Grade";
}
else if(marks>=0 && marks<40)
{
cout<<"Fail";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num;
cout<<"Enter any number ";
cin>>num;
if(num>0)
{
cout<<"Number is Positive";
}
else if(num<0)
{
cout<<"Number is Negative";
}
//else if(num==0)
else
{
cout<<"Number is Zero";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num;
cout<<"Enter any number ";
cin>>num;
if(num%2==0)
{
cout<<"Number is even";
}
else
{
cout<<"Number is odd";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char ch;
cout<<"Enter any character";
cin>>ch;
if(ch=='a'||ch=='A'||ch=='e'||ch=='E'||ch=='i'||ch=='I'||ch=='o'||ch=='O'||ch=='u'||ch=='U')
{
cout<<"character is vowel";
}
else
{
cout<<"character is consonent";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char ch;
cout<<"Enter any character ";
cin>>ch;
if(ch=='a'||ch=='A'||ch=='e'||ch=='E'||ch=='i'||ch=='I'||ch=='o'||ch=='O'||ch=='u'||ch=='U')
{
cout<<"character is vowel";
}
else if(ch=='@'||ch=='!'||ch=='#'||ch=='%'||ch=='&'||ch=='*')
{
cout<<"character is special";
}
else
{
cout<<"character is consonent";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num;
cout<<"Enter any number between 1 to 7:";
cin>>num;
if(num==1)
{
cout<<"Day is Monday";
}
else if(num==2)
{
cout<<"Day is Tuesday";
}
if(num==3)
{
cout<<"Day is Wednesday";
}
if(num==4)
{
cout<<"Day is Thursday";
}
if(num==5)
{
cout<<"Day is Friday";
}
if(num==6)
{
cout<<"Day is Saturday";
}
if(num==7)
{
cout<<"Day is Sunday";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num;
cout<<"Enter any number between 0 and 9:";
cin>>num;
if(num==0)
{
cout<<"You entered Zero";
}
else if(num==1)
{
cout<<"You entered One";
}
else if(num==2)
{
cout<<"You entered Two";
}
else if(num==3)
{
cout<<"You entered Three";
}
else if(num==4)
{
cout<<"You entered Four";
}
else if(num==5)
{
cout<<"You entered Five";
}
else if(num==6)
{
cout<<"You entered Six";
}
else if(num==7)
{
cout<<"You entered Seven";
}
else if(num==8)
{
cout<<"You entered Eight";
}
else if(num==9)
{
cout<<"You entered Nine";
}
else
{
cout<<"wrong input";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num;
cout<<"Print any number between 1 and 12:";
cin>>num);
if(num==1)
{
cout<<"You entered January";
}
else if(num==2)
{
cout<<"You entered Feburary";
}
else if(num==3)
{
cout<<"You entered March";
}
else if(num==4)
{
cout<<"You entered April";
}
else if(num==5)
{
cout<<"You entered May";
}
else if(num==6)
{
cout<<"You entered June";
}
else if(num==7)
{
cout<<"You entered July";
}
else if(num==8)
{
cout<<"You entered August";
}
else if(num==9)
{
cout<<"You entered September";
}
else if(num==10)
{
cout<<"You entered October";
}
else if(num==11)
{
cout<<"You entered November";
}
else if(num==12)
{
cout<<"You entered December";
}
else
{
cout<<"wrong input";
}
return 0;
}
#include<iostream>
using namespace std;
#include<stdlib.h>
int main()
{
int choice,num1,num2,res;
cout<<"\nPress 1 for addition";
cout<<"\nPress 2 for subtraction";
cout<<"\nPress 3 for multiplication";
cout<<"\nPress 4 for division";
cout<<"\nPress 5 for exit";
cin>>choice;
cout<<"\nEnter first number:";
cin>>num1;
cout<<"\nEnter second number:";
cin>>num2;
if(choice==1)
{
res=num1+num2;
cout<<"The sum is: "<<res;
}
else if(choice==2)
{
res=num1-num2;
cout<<"The difference is: "<<res;
}
else if(choice==3)
{
res=num1*num2;
cout<<"The multiplication is: "<<res;
}
else if(choice==4)
{
res=num1/num2;
cout<<"The division is: "<<res;
}
else if(choice==5)
{
exit(0);
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int a, b ,c;
cout<<"\nEnter first number: ";
cin>>a;
cout<<"\nEnter second number: ";
cin>>b;
cout<<"\nEnter third number: ";
cin>>c;
if(a>b)
{
if(a>c)
{
cout<<"\nFirst number is greater";
}
else
{
cout<<"\nThird number is greater";
}
}
else
{
if(b>c)
{
cout<<"\nSecond number is greater";
}
else
{
cout<<"Third number is greater";
}
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num;
cout<<"enter any number between 0 to 9:";
cin>>num;
switch(num)
{
case 0:
cout<<"You entered ZERO";
break;
case 1:
cout<<"You entered ONE";
break;
case 2:
cout<<"You entered TWO";
break;
case 3:
cout<<"You entered THREE";
break;
case 4:
cout<<"You entered FOUR";
break;
case 5:
cout<<"You entered FIVE";
break;
case 6:
cout<<"You entered SIX";
break;
case 7:
cout<<"You entered SEVEN";
break;
case 8:
cout<<"You entered EIGHT";
break;
case 9:
cout<<"You entered NINE";
break;
default:
cout<<"wrong input";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num;
cout<<"enter any number between 1 to 12:";
cin>>num;
switch(num)
{
case 1:
cout<<"You entered JANUARY";
break;
case 2:
cout<<"You entered FEBURARY";
break;
case 3:
cout<<"You entered MARCH";
break;
case 4:
cout<<"You entered APRIL";
break;
case 5:
cout<<"You entered MAY";
break;
case 6:
cout<<"You entered JUNE";
break;
case 7:
cout<<"You entered JULY";
break;
case 8:
cout<<"You entered AUGUST";
break;
case 9:
cout<<"You entered SEPTEMBER";
break;
case 10:
cout<<"You entered OCTOBER";
break;
case 11:
cout<<"You entered NOVEMBER");
break;
case 12:
cout<<"You entered DECEMBER";
break;
default:
cout<<"wrong input";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num;
cout<<"enter any number between 1 to 7: ";
cin>>num;
switch(num)
{
case 1:
cout<<"You entered SUNDAY";
break;
case 2:
cout<<"You entered MONDAY";
break;
case 3:
cout<<"You entered TUESDAY";
break;
case 4:
cout<<"You entered WEDNESDAY";
break;
case 5:
cout<<"You entered THURSDAY";
break;
case 6:
cout<<"You entered FRIDAY";
break;
case 7:
cout<<"You entered SATURDAY";
break;
default:
cout<<"wrong input";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char ch;
cout<<"Enter any character in lowercase: ";
cin>>ch;
switch(ch)
{
case 'a':
cout<<"Character is vowel";
break;
case 'e':
cout<<"Character is vowel";
break;
case 'i':
cout<<"Character is vowel";
break;
case 'o':
cout<<"Character is vowel";
break;
case 'u':
cout<<"Character is vowel";
break;
default:
cout<<"character is consonent";
}
return 0;
}
#include<iostream>
#include<stdlib.h>
using namespace std;
int main()
{
int num1,num2,res;
int value;
cout<<"Enter first number: ";
cin>>num1;
cout<<"Enter second number: ";
cin>>num2;
cout<<"\n Press 1 for addition";
cout<<"\n Press 2 for subtraction";
cout<<"\n Press 3 for division";
cout<<"\n Press 4 for multilication";
cout<<"\n Press 5 for EXIT";
cout<<endl;
cin>>value;
switch(value)
{
case 1:
res=num1+num2;
cout<<"The sum is: "<<res;
break;
case 2:
res=num1-num2;
cout<<"The subtraction is: "<<res;
break;
case 3:
res=num1/num2;
cout<<"The division is: "<<res;
break;
case 4:
res=num1*num2;
cout<<"The multiplication is: "<<res;
break;
default:
exit(0);
}
return 0;
}
#include<iostream>
#include<stdlib.h>
using namespace std;
int main()
{
int x=0,y=1,z,i,fac=1;
int value;
cout<<"\n Press 1 for fibbonacci series";
cout<<"\n Press 2 for factorial";
cout<<"\n Press 3 for printing even series";
cout<<"\n Press 4 for printing odd series";
cout<<"\n Press 5 for EXIT";
cout<<endl;
cin>>value;
switch(value)
{
case 1:
cout<<"Fibbonacci series is:";
cout<<x<<" "<<y;
for(i=1;i<=8;i++)
{
z=x+y;
x=y;
y=z;
cout<<" "<<z;
}
break;
case 2:
for(i=1;i<=5;i++)
{
fac=fac*i;
}
cout<<"factorial of 5 is: "<<fac;
break;
case 3:
cout<<"even series is: ";
for(i=0;i<=10;i=i+2)
{
cout<<i<<" ";
}
break;
case 4:
cout<<"odd series is:";
for(i=1;i<=10;i=i+2)
{
cout<<i<<" ";
}
case 5:
exit(0);
break;
default:
cout<<"wrong input,Please try again";
}
return 0;
}
#include<iostream>
#include<stdlib.h>
using namespace std;
int main()
{
int value,n;
char a;
int x=0,y=1,z,i,fac=1;
cout<<"\n Press 1 for even numbers";
cout<<"\n Press 2 for odd numbers";
cout<<"\n Press 3 for square of the number";
cout<<"\n Press 4 for character series";
cout<<"\n Press 5 for EXIT";
cout<<endl;
cin>>value;
switch(value)
{
case 1:
cout<<"Enter nth number: ";
cin>>n;
cout<<"even series is: ";
for(i=0;i<=n;i=i+2)
{
cout<<i<<" ";
}
break;
case 2:
cout<<"Enter nth number: ";
cin>>n;
cout<<"odd series is: ";
for(i=1;i<=n;i=i+2)
{
cout<<i<<" ";
}
break;
case 3:
cout<<"Enter nth number: ";
cin>>n;
cout<<(n*n);
break;
case 4:
cout<<"\n Enter any character in lowercase: ";
cin>>a;
for(i=97;a<=122;a++)
{
cout<<a<<" ";
}
break;
case 5:
exit(0);
break;
default:
{
cout<<"wrong input";
}
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i;
for(i=1;i<=10;i++)
{
cout<<"*";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i;
for(i=1;i<=7;i++)
{
cout<<"*";
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i;
for(i=1;i<=6;i++)
{
cout<<" *";
cout<<"\nCOMPUHELP\n";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i;
for(i=0;i<=9;i++)
{
cout<<i<<" ";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i;
for(i=9;i>=0;i--)
{
cout<<i<<" ";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i;
for(i=5;i<=20;i++)
{
cout<<i<<" ";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i;
for(i=45;i>=7;i--)
{
cout<<i<<" ";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i;
for(i=1;i<=20;i+=2)
{
cout<<i<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i;
for(i=0;i<=20;i+=2)
{
cout<<i<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,num;
cout<<"Enter number ";
cin>>num;
for(i=1;i<=num;i+=2)
{
cout<<i<<" ";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,num;
cout<<"Enter number ";
cin>>num;
for(i=0;i<=num;i+=2)
{
cout<<i<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i;
for(i=0;i<=50;i+=3)
{
cout<<i<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,num,a=0,b=1,res=0;
cout<<"Enter the number till you want to print the fibonacci series : ";
cin>>num;
cout<<a<<" "<<b;
for(i=0;res<=num;i++)
{
res=a+b;
a=b;
b=res;
cout<<" "<<res;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,num,prod=1;
cout<<"Enter the number till you want to print the series : ";
cin>>num;
for(i=0;prod<=num;i++)
{
cout<<prod<<" ";
prod=2*prod;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,num,fact=1;
cout<<"Enter the number whose factorial you want to print: ";
cin>>num;
for(i=1;i<=num;i++)
{
fact=fact*i;
cout<<i<<"*";
}
cout<<"\b="<<fact;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,num,sum=0;
cout<<"Enter the number whose sum of series you want to print: ";
cin>>num;
for(i=1;i<=num;i++)
{
sum=sum+i;
cout<<i<<"+";
}
cout<<"\b="<<sum;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int m,n,i,res=1;
cout<<"Enter the value for m and n";
cin>>m>>n;
for(i=1;i<=n;i++)
{
res=res*m;
}
cout<<res;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=3;col++)
{
cout<<"*";
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col,k=1;
for(row=1;row<=3;row++)
{
for(col=1;col<=3;col++)
{
cout<<k;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=3;col++)
{
cout<<col;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=3;col++)
{
cout<<row;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col,k=1;
for(row=1;row<=3;row++)
{
for(col=1;col<=3;col++)
{
cout<<k;
k++;
}
cout<<endl;
}
return 0;
}
#include<iostream>u
using namespace std;
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=1;col<=3;col++)
{
cout<<row;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col,k=9;
for(row=3;row>=1;row--)
{
for(col=1;col<=3;col++)
{
cout<<k;
k--;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=3;col>=1;col--)
{
cout<<col;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=row;col++)
{
cout<<"*";
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=1;col<=row;col++)
{
cout<<"*";
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=row;col++)
{
cout<<col;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=row;col++)
{
cout<<row;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=3;col>=row;col--)
{
cout<<row;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=3;col>=row;col--)
{
cout<<row;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=row;col<=3;col++)
{
cout<<col;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=3;row>=1;row--)
{
for(col=3;col>=row;col--)
{
cout<<col;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col,k;
for(row=1;row<=3;row++)
{
for(k=row;k>=2;k--)
{
cout<<" ";
}
for(col=3;col>=row;col--)
{
cout<<"*";
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col,k;
for(row=3;row>=1;row--)
{
for(k=2;k>=row;k--)
{
cout<<" ";
}
for(col=1;col<=row;col++)
{
cout<<col;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col,k;
for(row=1;row<=3;row++)
{
for(k=row;k>=2;k--)
{
cout<<" ";
}
for(col=row;col<=3;col++)
{
cout<<row;
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
for(row=1;row<=3;row++)
{
for(col=1;col<=row;col++)
{
cout<<"* ";
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,j,k;
for(i=1;i<=4;i++)
{
for(k=3;k>=i;k--)
{
cout<<" ";
}
for(j=1;j<=i;j++)
{
cout<<"* ";
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
//65 is ASCII value of A
for(row=65;row<=67;row++)
{
for(col=65;col<=row;col++)
{
cout<<char(col);//typecasting
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int row,col;
//65 is ASCII value of A
for(row=65;row<=67;row++)
{
for(col=67;col>=row;col--)
{
cout<<char(col);
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,j,k;
//65 is ASCII value of A
for(i=65;i<=67;i++)
{
for(k=66;k>=i;k--)
{
cout<<" ";
}
for(j=65;j<=i;j++)
{
cout<<char(j);
}
cout<<endl;
}
return 0;
}
1. for(i=1;i<=3;i++)
{
cout<<i;
cout<<"thanks\n";
}
cout<<"\n";
cout<<"welcome);
cout<<i;
2. int i=1;
for( ;i<=3;i++)
{
cout<<"hello";
cout<<i;
cout<<endl;
}
cout<<i;
3. int j=3;
for ( ; j>=1; )
{
cout<<j;
cout<<endl;
}
cout<<"welcome";
cout<<j;
4. for(i=1;i<=3;i++) cout<<"\n hello"; cout<< i; cout<<"welcome";
5. for( ;i>=1;i--)
{
cout<<"hello";
cout<<"\n thanks";
cout<<i;
}
cout<<"\n welcome";
cout<<i;
6. int i=0;
For( ; ; )
{
If(i<5)
{cout<<"\nHello";
i++;
}
}
7. for(i=0;i<10;i++);
{
cout<<"\n%d",i;
}
8. for(i=0;i>=5;i--)
{
cout<<endl<<i;
}
9. int i=5;
for(i=0;i>=5;i--)
{
cout<<endl<<i;
}
10. int i=9,ctr=0;
for(;ctr<=i;i--)
{
cout<<"%d",i);
Ctr++;
}
11. int i=-5,ctr=0;
for(;;i++)
if(i<ctr)
{
cout<<ctr;
c++;
}
12. int i=91; for(;;i--) if(i>0) cout<<i; cout<<"bye";
#include<iostream>
using namespace std;
int main()
{
int i, m,n=0;
cout<<"enter nth number: ";
cin>>n;
while(m<=n)
{
cout<<m<<" ";
m++;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,m;
cout<<"enter starting number: ");
cin>>m;
while(m>=0)
{
cout<<m<<" ";
m--;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,n,cnt=1;
cout<<"enter any number:";
cin>>n;
while(cnt<=10)
{
cout<<endl<<n<<"*"<<cnt<<"="<<n*cnt;
cnt++;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,num,x=0,y=1,z=1;
cout<<"enter any number:";
cin>>num;
cout<<x<<" "<<y;
do
{
z=x+y;
cout<<" "<<z;
x=y;
y=z;
}
while(z<=(num-x));
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num=1,m1,m2,m3;
float avg=0;
while(num<=5)
{
cout<<"Enter your marks in maths:";
cin>>m1;
cout<<"\nEnter your marks in english:";
cin>>m2;
cout<<"\nEnter your marks in hindi:";
cin>>m3;
avg=(m1+m2+m3)/3;
cout<<"The average marks is: "<<avg;
cout<<endl;
num++;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num=0,rev=0;
cout<<"enter a number: ";
cin>>num;
cout<<"The reverse of the number is: ";
while(num>=1)
{
rev=num%10;
num=num/10;
cout<<rev;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,m,n,res=1,count=1;
cout<<"enter the number: ";
cin>>m;
cout<<"Enter the power: ";
cin>>n;
while(count<=n)
{
res=res*m;
count++;
}
cout<<"the result is: "<<res;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num=0, fac=1;
cout<<"enter the number: ";
cin>>num;
cout<<"The factorial of the number is: ";
while(num>=1)
{
fac=fac*num;
cout<<num<<"*";
num--;
}
cout<<"\b="<<fac;
return 0;
}
//program to accept a character from the user
#include<iostream>
using namespace std;
int main()
{
char ch;
cout<<"Enter a character : ";
cin>>ch;
cout<<"\n The character is "<<ch;
return 0;
}
//Program to accept a character in lower case and display it in uppercase.
#include<iostream>
using namespace std;
int main()
{
char ch;
cout<<"Enter a character : ";
cin>>ch;
ch=ch-32;
cout<<"\n The character is "<<ch;
return 0;
}
//program to accept a character from the user and display its ASCII value.
#include<iostream>
using namespace std;
int main()
{
char ch;
cout<<"Enter a character :";
cin>>ch;
cout<<"\n The ASCII value of "<<ch<<" is "<<int(ch);
return 0;
}
// program to accept a character in uppercase and display it in lowercase.
#include<iostream>
using namespace std;
int main()
{
char ch;
cout<<"Enter a character in upper case : ";
cin>>ch;
ch=ch+32;
cout<<"\n The character in lower case is "<<ch;
return 0;
}
//program to display the ASCII values of 0 and 9.
#include<iostream>
using namespace std;
int main()
{
char ch1,ch2;
ch1='0';
ch2='9';
cout<<"\n The ASCII value of 0 is "<<int(ch1);
cout<<"\n The ASCII value of 9 is "<<int(ch2);
return 0;
}
//program to display the ASCII values fron 0 to 9.
#include<iostream>
using namespace std;
int main()
{
char ch;
ch='0';
int i;
for(i=0;i<=9;i++)
{
cout<<"\n The ASCII of "<<ch<<" is "<<int(ch);
ch++;
}
return 0;
}
/*program to display the ASCII values of all characters from A to Z.*/
#include<iostream> using namespace std;
int main()
{
char ch;
ch='A';
int i;
for(i=1;i<=26;i++)
{
cout<<"\n The ASCII of "<<ch<<" is "<<int(ch);
ch++;
}
return 0;
}
/* program to accept a character using getch(),getche()
and getchar() functions and display the character.*/
#include<iostream>
using namespace std;
int main()
{
char ch;
cout<<"\n Accepting a character using getch() : ";
ch=getch();
cout<<"\n The character is "<<ch;
cout<<"\n Accepting a character using getche() : ";
ch=getche();
cout<<"\n The character is "<<ch;
cout<<"\n Accepting a character using getchar() : ";
ch=getchar();
cout<<"\n The character is "<<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<iostream> #include<conio.h> using namespace std; int main() { char ch; int keys=0; cout<<"\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 cout<<"\n The uppercase character keys are pressed ("<<keys<<") Times"; getch(); return 0; }
#include<iostream>
using namespace std;
int main()
{
int arr[5],i;
cout<<"Enter array elements ";
for(i=0;i<=4;i++)
{
cin<<arr[i];
}
for(i=0;i<=4;i++)
{
cout<<"\n Element is "<<arr[i];
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],i;
cout<<"Enter array elements ";
for(i=0;i<=4;i++)
{
cin>>arr[i];
}
for(i=4;i>=0;i--)
{
cout<<"\n Element is "<<arr[i];
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],arr1[5],i;
cout<<"Enter array elements ";
for(i=0;i<=4;i++)
{
cin>>arr[i]);
}
cout<<"\n The copy of array elements is :\n";
for(i=0;i<=4;i++)
{
arr1[i]=arr[i];
cout<<"\n Element is "<<arr1[i];
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],arr1[5],i,j;
cout<<"Enter array elements ";
for(i=0;i<=4;i++)
{
cin>>arr[i];
}
cout<<"\n The copy of array elements is :\n");
j=0;
for(i=4;i>=0;i--)
{
arr1[j]=arr[i];
cout<<"\n Element is ",arr1[j];
j++;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],i,sum=0;
cout<<"Enter array elements ";
for(i=0;i<=4;i++)
{
cin>>arr[i];
}
cout<<"\nThe sum of array elements is :\n";
for(i=0;i<=4;i++)
{
sum=sum+arr[i];
cout<<arr[i]<<"+";
}
cout<<"\b="<<sum;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr1[5],arr2[5],sum[5],i;
cout<<"Enter array elements in first array ";
for(i=0;i<=4;i++)
{
cin>>arr1[i];
}
cout<<"Enter array elements in second array ";
for(i=0;i<=4;i++)
{
cin>>arr2[i];
}
cout<<"\n The sum of array elements is :\n";
for(i=0;i<=4;i++)
{
sum[i]=arr1[i]+arr2[i];
cout<<" "<<sum[i];
}
return 0;
}
#include<iostream> using namespace std;
int main()
{
int arr1[5],arr2[5],diff[5],i;
cout<<"Enter array elements in first array ";
for(i=0;i<=4;i++)
{
cin>>arr1[i];
}
cout<<"Enter array elements in second array ";
for(i=0;i<=4;i++)
{
cin>>arr2[i];
}
cout<<"\n THE DIFFERENCE OF EACH ELEMENT OF THE TWO ARRAYS IS:\n";
for(i=0;i<=4;i++)
{
diff[i]=arr1[i]-arr2[i];
cout<<" "<<diff[i];
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],i,large=0,loc;
cout<<"Enter the elements of an array ";
for(i=0;i<=4;i++)
{
cin>>arr[i];
}
cout<<"The elements of an array is:\n ";
for(i=0;i<=4;i++)
{
cout<<"\nElement is "<<arr[i];
if(arr[i]>large)
{
large=arr[i];
loc=i+1;
}
}
cout<<"\n The greatest element is : "<<large;
cout<<"\n The location is: "<<loc;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],i,small,loc;
cout<<"Enter the elements of an array ";
for(i=0;i<=4;i++)
{
cin>>arr[i];
}
small=arr[0];
cout<<"The elements of an array is:\n ";
for(i=0;i<=4;i++)
{
cout<<"\nElement is "<<arr[i];
if(small>arr[i])
{
small=arr[i];
loc=i+1;
}
}
cout<<"\n The smallest element is :"<<small;
cout<<"\n The location is: "<<loc;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],i,j,temp;
cout<<"Enter the elements of an array ";
for(i=0;i<=4;i++)
{
cin>>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;
}
}
}
cout<<"\nThe sorted array is: \n";
for(i=0;i<=4;i++)
{
cout<<" "<<arr[i];
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],i,j,temp;
cout<<"Enter the elements of an array ";
for(i=0;i<=4;i++)
{
cin>>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;
}
}
}
cout<<"\nThe sorted array is: \n";
for(i=0;i<=4;i++)
{
cout<<" "<<arr[i];
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],i,n,flag=0;
cout<<"Enter the elements of an array ";
for(i=0;i<=4;i++)
{
cin>>arr[i];
}
cout<<"The elements of an array is: \n";
for(i=0;i<=4;i++)
{
cout<<" "<<arr[i];
}
cout<<"\n Enter any number which you want to search: ";
cin>>n;
for(i=0;i<=4;i++)
{
if(arr[i]==n)
{
flag=1;
cout<<"\n Number is found at "<<(i+1)<<" location";
}
}
if(flag==0)
{
cout<<"Number is not found";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[3][3],i,j;
cout<<"Enter array elements: ";
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cin>>arr[i][j];
}
}
cout<<"The array elements are:";
cout<<endl;
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cout<<" "<<arr[i][j];
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[2][2],arr1[2][2],i,j;
cout<<"Enter array elements: ";
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cin>>arr[i][j];
}
}
cout<<"\n The copy of the matrix is:";
cout<<endl;
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
arr1[i][j]=arr[i][j];
cout<<" "<<arr1[i][j];
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[2][2],arr1[2][2],i,j;
cout<<"Enter array elements: ";
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cin>>arr[i][j];
}
}
cout<<"\n The reverse copy of the matrix is: ";
cout<<endl;
for(i=1;i>=0;i--)
{
for(j=1;j>=0;j--)
{
arr1[i][j]=arr[i][j];
cout<<" "<<arr1[i][j];
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[2][2],arr1[2][2],i,j;
cout<<"Enter array elements: ";
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cin>>arr[i][j];
}
}
cout<<"\n The reverse copy of the matrix is: ";
cout<<endl;
for(i=1;i>=0;i--)
{
for(j=1;j>=0;j--)
{
arr1[i][j]=arr[i][j];
cout<<" "<<arr1[i][j];
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[2][2],i,j;
cout<<"Enter the elements of the matrix: ";
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cin>>arr[i][j];
}
}
cout<<"\n The reverse of the matrix is: ";
cout<<endl;
for(i=1;i>=0;i--)
{
for(j=1;j>=0;j--)
{
cout<<" "<<arr[i][j];
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[2][2],i,j,sum=0;
cout<<"Enter the elements of the matrix: ";
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cin>>arr[i][j];
}
}
cout<<"\n The sum of elements is: ";
cout<<endl;
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
sum=sum+arr[i][j];
cout<<arr[i][j]<<"+";
}
}
cout<<"\b="<<sum;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr1[3][3],arr2[3][3],arr3[3][3],i,j;
cout<<"Enter the elements first matrix: ";
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cin>>arr1[i][j];
}
}
cout<<"\n Enter the element of second matrix: ";
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cin>>arr2[i][j];
}
}
cout<<"\n The sum of two matrices is:\n";
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
arr3[i][j]=arr1[i][j]+arr2[i][j];
cout<<" "<<arr3[i][j];
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr1[3][3],arr2[3][3],arr3[3][3],i,j;
cout<<"Enter the elements first matrix: ";
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cin>>arr1[i][j];
}
}
cout<<"\n Enter the element of second matrix: ";
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cin>>arr2[i][j];
}
}
cout<<"\n The subtraction of two matrices is: ";
cout<<endl;
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
arr3[i][j]=arr1[i][j]-arr2[i][j];
cout<<" "<<arr3[i][j];
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr1[3][3],arr2[3][3],arr3[3][3],i,j;
cout<<"Enter the elements first matrix: ";
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cin>>arr1[i][j];
}
}
cout<<"\n Enter the element of second matrix: ";
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cin>>arr2[i][j];
}
}
cout<<"\n The division of two matrices is:";
cout<<endl;
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
arr3[i][j]=arr1[i][j]/arr2[i][j];
cout<<" "<<arr3[i][j];
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[2][2],arr1[2][2],arr2[2][2],i,j,k;
cout<<"Enter the elements of first matrix: ";
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cin>>arr[i][j];
}
}
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cout<<" "<<arr[i][j];
}
cout<<endl;
}
cout<<"\n Enter the elements of the second matrix: ";
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cin>>arr1[i][j];
}
}
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cout<<" "<<arr1[i][j];
}
cout<<"\n");
}
cout<<"\nThe multiplication is");
cout<<endl;
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];
}
cout<<" "<<arr2[i][j];
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[2][2],i,j,large=0,k,l;
cout<<"Enter the element: ";
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cin>>arr[i][j];
}
}
cout<<"\n The elements of the matrix are: ";
cout<<endl;
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cout<<" "<<arr[i][j];
}
cout<<endl;
}
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;
}
}
}
cout<<"The greatest element is "<<large<<" and present in "<<k<<" row and in "<<l<<" column";
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[2][2],i,j,small,k,l;
cout<<"Enter the element: ";
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cin>>arr[i][j];
}
}
cout<<"\n The elements of the matrix are: ";
cout<<endl;
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cout<<" "<<arr[i][j];
}
cout<<endl;
}
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;
}
}
}
cout<<"The smallest element is <<"small<<" and present in "<<k<<" row and in "<<l<<" column";
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[2][2],i,j,k,l;
int small;
cout<<"Enter the element: ";
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cin>>arr[i][j];
}
}
cout<<"\n The elements of the matrix are: ";
cout<<endl;
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cout<<" "<<arr[i][j];
}
cout<<endl;
}
cout<<"\n The transpose of the matrix is: ";
cout<<endl;
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
cout<<" "<<arr[j][i];
}
cout<<endl;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[3][3],i,j,n,flag=1;
cout<<"Enter the array elements: \n";
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cin>>arr[i][j];
}
}
cout<<"\n The elements of array is: ";
cout<<endl;
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cout<<" "<<arr[i][j];
}
cout<<endl;
}
cout<<"\n Enter any no.which you want to search: ";
cin>>n;
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
if(arr[i][j]==n)
{
flag=0;
cout<<"Number is found at "<<(i+1)<<" row and "<<(j+1)<<" column";
}
}
}
if(flag==1)
{
cout<<"number is not found";
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char name[30];
cout<<"Enter a string ";
//cin>>name;
//cin cannot read spaces
//gets(name);//read the string with spaces
//or
cin.getline(name,30);// read the string with spaces
cout<<"You entered: "<<name;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char name[20],i,j;
cout<<"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--)
{
cout<<name[j];
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char name[20];
int i;
cout<<"Enter a string ";
gets(name);
for(i=0;name[i]!='\0';i++);
cout<<"The length of the string is: "<<i;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char name[20];
int i;
cout<<"Enter a string in uppercase: ";
gets(name);
cout<<"\nThe string in lowercase: ";
for(i=0;name[i]!='\0';i++)
{
if((name[i]>='A')&&(name[i]<='Z'))
{
name[i]=name[i]+32;
}
}
cout<<name;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char name[20];
int i;
cout<<"Enter a string in lowercase: ";
gets(name);
cout<<"\nThe string in uppercase: ";
for(i=0;name[i]!='\0';i++)
{
if((name[i]>='a')&&(name[i]<='z'))
{
name[i]=name[i]-32;
}
}
cout<<name;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char name[20];
int i,cnt=0;
cout<<"Enter a string in lowercase:";
gets(name);
cout<<"\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'))
{
cout<<name[i];
cnt++;
}
}
cout<<"\n The number of vowel is: "<<cnt;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char name[20];
int i,cnt=0;
cout<<"Enter a string:";
gets(name);
cout<<"\nThe consonents 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'))
{
cout<<name[i];
cnt++;
}
}
cout<<"\n The number of consonents are: "<<cnt;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char name[20],name1[20];
int i,cnt=0;
cout<<"Enter a string ";
gets(name);
cout<<"\nThe copy of string: ";
for(i=0;name[i]!='\0';i++)
{
name1[i]=name[i];
cout<<name[i];
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char name[50];
int i,wrd=0;
cout<<"Enter a sentence: ";
gets(name);
cout<<"The number of words are: ";
for(i=0;name[i]!='\0';i++)
{
if(name[i]==' ')
{
wrd++;
}
}
cout<<wrd+1;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
char str1[20],str2[20],str3[50];
int i,j;
cout<<"Enter first string: ";
gets(str1);
cout<<"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';
cout<<endl<<str3;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int num1,num2,res;
int *aptr,*bptr,*cptr;
cout<<"Enter first number ";
cin>>num1;
cout<<"Enter second number ";
cin>>num2;
aptr=&num1;
bptr=&num2;
cptr=&res;
*cptr=(*aptr)+(*bptr);
cout<<"\n sum is "<<*cptr;
}
#include<iostream>
using namespace std;
int main()
{
int num1,num2,temp;
int *aptr,*bptr;
cout<<"Enter first number ";
cin>>num1;
cout<<"Enter second number ";
cin>>num2;
cout<<"\n Values before swapping is : num1= "<<num1<<" num2= "<<num2;
aptr=&num1;
bptr=&num2;
temp=*aptr;
*aptr=*bptr;
*bptr=temp;
cout<<"\n Values after swapping is : num1= "<<*aptr<<" num2= "<<*bptr;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],i,*ptr;
for(i=0;i<5;i++)
{
cout<<"Enter array elements ";
cin>>arr[i];
}
cout<<"\n The reverse of elements are: \n";
for(i=4;i>=0;i--)
{
ptr=&arr[i];
cout<<" "<<*ptr;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[5],i,*ptr,sum=0;
for(i=0;i<5;i++)
{
cout<<"Enter array elements ";
cin>>arr[i];
}
cout<<"\n The sum of array elements is: ";
for(i=0;i<=4;i++)
{
ptr=&arr[i];
sum=sum+(*ptr);
}
cout<<sum;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr1[5],arr2[5],sum[5],i;
int *ptr1,*ptr2,*res;
cout<<"Enter array elements in first array ";
for(i=0;i<=4;i++)
{
cin>>arr1[i];
}
cout<<"Enter array elements in second array ";
for(i=0;i<=4;i++)
{
cin>>arr2[i];
}
cout<<"\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);
cout<<" "<<*res;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int i,num,*ptr;
cout<<"Enter the number for the limit of series: ";
cin>>num;
for(i=0;i<=num;i++)
{
ptr=&i;
cout<<" "<<*ptr;
}
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int arr[3][3],i,j,sum=0;
int *ptr;
cout<<"Enter array elements: \n";
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
cin>>arr[i][j];
}
}
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
ptr=&arr[i][j];
sum=sum+(*ptr);
}
}
cout<<"\nThe sum of array elements is: "<<sum;
return 0;
}
#include<iostream>
using namespace std;
void sum() //definition or body of sum()
{
int num1,num2,num3,num4,res;
cout<<"Enter first number: ";
cin>>num1;
cout<<"Enter second number: ";
cin>>num2;
cout<<"Enter third number: ";
cin>>num3;
cout<<"Enter fourth number: ";
cin>>num4;
res=num1+num2+num3+num4;
cout<<"\n The sum of all numbers is "<<res;
}
int main()
{
cout<<"Calling sum function: \n";
//function with no arguments and no return type
sum();//calling sum() function
return 0;
}
#include<iostream>
using namespace std;
int num1,num2,res;//global declaration
void input()
{
cout<<"Enter first number: ";
cin>>num1;
cout<<"Enter second number: ";
cin>>num2;
}//end of input function
void sum()
{
res=num1+num2;
cout<<"\n The sum of numbers is "<<res;
}//end of sum function
void subtract()
{
if(num1>num2)
{
res=num1-num2;
}
else
{
res=num2-num1;
}
cout<<"\n The subtraction of numbers is "<<res;
}//end of subtract function
void multiply()
{
res=num1*num2;
cout<<"\n The multiplication of numbers is "<<res;
}//end of multiply function
void division()
{
res=num1/num2;
cout<<"\n The division of numbers is "<<res;
}//end of division function
int main()
{
char ch;
cout<<"\nPress + for addition \n";
cout<<"\nPress - for subtraction \n";
cout<<"\nPress * for multiplication \n";
cout<<"\nPress / for division \n";
cin>>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:
cout<<"Invalid choice";
}
return 0;
}//end of main
#include<iostream>
using namespace std;
void odd(int n)
{
int i;
cout<<"\n The odd series is : ";
for(i=1;i<=n;i+=2)
{
cout<<" "<<i;
}//end of loop
}//end of function
int main()
{
int num;
cout<<"Enter the nth number: ";
cin>>num;
odd(num);
return 0;
}//end of main
#include<iostream>
using namespace std;
void even(int n)
{
int i;
cout<<"\n The even series is : ";
for(i=0;i<=n;i+=2)
{
cout<<" "<<i;
}//end of loop
}//end of function
int main()
{
int num;
cout<<"Enter the nth number: ";
cin>>num;
even(num);
return 0;
}//end of main
#include<iostream>
using namespace std;
void display(char ch1,int n)
{
int i;
for(i=1;i<=n;i++)
{
cout<<" "<<ch1;
}
}
int main()
{
char ch;
int num;
cout<<"Enter a character: ";
cin>>ch;
cout<<"Enter the limit: ";
cin>>num;
display(ch,num);
return 0;
}//end of main
#include<iostream>
using namespace std;
void series(int a,int b)
{
int i;
cout<<"\n The series is : ";
for(i=a;i<=b;i++)
{
cout<<" "<<i;
}
}
int main()
{
int m,n;
cout<<"Enter starting value: ";
cin>>m;
cout<<"Enter ending value: ";
cin>>n;
series(m,n);
return 0;
}//end of main
#include<iostream>
using namespace std;
void is_pos_neg(int n)
{
if(n>0)
cout<<"Number is positive";
else if(n<0)
cout<<"Number is negative";
else
cout<<"You entered zero";
}
int main()
{
int num;
cout<<"Enter any number: ";
cin>>num;
is_pos_neg(num);
return 0;
}//end of main
#include<iostream>
using namespace std;
void fibonacci(int n)
{
int i,j=0,k=1,m;
cout<<j<<" "<<k;
for(i=1;i<=n;i++)
{
m=j+k;
j=k;
k=m;
if(m<=n)
cout<<" "<<m;
}//end of loop
}//end of function
int main()
{
int num;
cout<<"Enter ending value: ";
cin>>num;
fibonacci(num);
return 0;
}//end of main
#include<iostream>
using namespace std;
void to_upper(char a)
{
int i;
cout<<"The alphabet in uppercase is: ";
if((a>='a')&&(a<='z'))
{
a=a-32;
}//end of if
cout<<a;
}//end of function
int main()
{
char ch;
cout<<"Enter an alphabet in lowercase: ";
cin>>ch;
to_upper(ch);
return 0;
}//end of main
#include<iostream>
using namespace std;
void to_lower(char a)
{
int i;
cout<<"The alphabet in lowercase is: ";
if((a>='A')&&(a<='Z'))
{
a=a+32;
}//end of if
cout<<a;
}//end of function
int main()
{
char ch;
cout<<"Enter an alphabet in Uppercase: ";
cin>>ch;
to_lower(ch);
return 0;
}//end of main
#include<iostream>
using namespace std;
void series(int n)
{
int i,j,sum=0;
cout<<"Series: ";
for(i=1;i<=n;i++)
{
j=i*i;
sum=sum+j;
cout<<j<<"+";
}
cout<<"\b="<<sum;
}//end of function
int main()
{
int num;
cout<<"Enter a number: ";
cin>>num;
series(num);
return 0;
}//end of main
#include<iostream>
using namespace std;
int factorial(int n)
{
int i,fac=1;
cout<<"The factorial is: ";
for(i=n;i>=1;i--)
{
fac=fac*i;
cout<<i<<"*";
}
return(fac);
}//end of function
int main()
{
int num,ans;
cout<<"Enter a number: ";
cin>>num;
ans=factorial(num);
cout<<"\b="<<ans;
return 0;
}//end of main
#include<iostream>
using namespace std;
void swap(int a,int b)
{
int c;
cout<<"\nThe value of numbers before swapping is: ";
cout<<"\n First: "<<a;
cout<<"\n Second : "<<b;
c=a;
a=b;
b=c;
cout<<"\nThe value of numbers after swapping is:";
cout<<"\n First: "<<a;
cout<<"\n Second: "<<b;
}//end of function
int main()
{
int x,y;
cout<<"Enter First number: ";
cin>>x;
cout<<"Enter Second number: ";
cin>>y;
swap(x,y);
return 0;
}//end of main
#include<iostream>
using namespace std;
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;
cout<<"Enter any number: ";
cin>>n;
fac=fact(n);
cout<<"The factorial is: ";
for(i=n;i>=1;i--)
{
cout<<i<<"*";
}
cout<<"\b="<<fac;
return 0;
}//end of main
#include<iostream>
using namespace std;
struct Student
{
char name[10];
int rollno;
float fee;
};
int main()
{
Student st;
cout<<"Enter name: ";
gets(st.name);
cout<<"Enter rollno: ";
cin>>st.rollno;
cout<<"Enter fee: ";
cin>>st.fee;
cout<<"------------------";
cout<<"\nName is "<<st.name;
cout<<"\nRollno is "<<st.rollno;
cout<<"\nFee is "<<st.fee;
return 0;
}//end of main
#include<iostream> using namespace std; struct Student
{
int rollno;
int marks[5];
};
int main()
{
Student st;
int i;
cout<<"Enter rollno: ";
cin>>st.rollno;
for(i=0;i<5;i++)
{
cout<<"Enter marks in "<<(i+1)<<" subject: ";
cin>>st.marks[i];
}
cout<<"------------------";
cout<<"\nRollno is "<<st.rollno;
for(i=0;i<5;i++)
{
cout<<"\nMarks in "<<(i+1)<<" subject are: "<<st.marks[i];
} return 0; }//end of main
#include<iostream>
using namespace std;
struct Student
{
char name[20];
int marks[9];
};
int main()
{
Student st;
int i,sum=0;
float avg;
cout<<"Enter name: ";
gets(st.name);
for(i=0;i<9;i++)
{
cout<<"Enter marks in "<<(i+1)<<" subject: ";
cin>>st.marks[i];
sum=sum+st.marks[i];
}
avg=sum/9;
cout<<"\nName is "<<st.name;
cout<<"\nAverage is: "<<avg;
return 0;
}//end of main
#include<iostream>
using namespace std;
struct employee
{
char name[10];
int salary;
int id;
};
int main()
{
int i;
employee emp[5];
for(i=0;i<5;i++)
{
cout<<"Enter name ";
//gets(emp[i].name);
cin>>emp[i].name;
cout<<"Enter salary ";
cin>>emp[i].salary;
cout<<"Enter id ";
cin>>emp[i].id;
}
for(i=0;i<5;i++)
{
cout<<"\n Name is "<<emp[i].name;
cout<<"\n Salary is "<<emp[i].salary;
cout<<"\n Id is "<<emp[i].id;
cout<<"\n--------------------------";
}
return 0;
}//end of main
#include<iostream>
using namespace std;
struct student
{
char name[10];
int subject[5];
};
int main()
{
student st[5];
int sum,avg,i,j;
for(i=0;i<5;i++)
{
sum=0;
cout<<"Enter name ";
cin>>st[i].name;
cout<<"\nEnter the marks of "<<(i+1)<<" student\n\n";
for(j=0;j<5;j++)
{
cout<<"Enter the marks of "<<(j+1)<<" subject ";
cin>>st[i].subject[j];
sum=sum+st[i].subject[j];
}
avg=sum/5;
cout<<"\n Average marks of "<<(i+1)<<" student is "<<avg<<endl<<endl;
}
return 0;
}//end of main
#include<iostream>
using namespace std;
struct student
{
char name[10];
int subject[5];
};
int main()
{
student st,*ptr;
ptr=&st;
int sum=0,avg,i;
cout<<"Enter name: ";
gets(ptr->name);
for(i=0;i<5;i++)
{
cout<<"Enter the marks of "<<(i+1)<<" subject: ";
cin>>ptr->subject[i];
sum=sum+ptr->subject[i];
}
avg=sum/5;
cout<<"\n Average of five subjects is "<<avg;
return 0;
}//end of main
#include<iostream>
using namespace std;
struct student
{
char name[10];
int subject[5];
};
int main()
{
student st[5],*ptr;
int sum,avg,i,j;
for(i=0;i<5;i++)
{
ptr=&st[i];
sum=0;
cout<<"Enter name: ";
cin>>ptr->name;
cout<<"\nEnter the marks of "<<(i+1)<<" student\n";
for(j=0;j<5;j++)
{
cout<<"\nEnter the marks of "<<(j+1)<<" subject: ";
cin>>ptr->subject[j];
sum=sum+ptr->subject[j];
}
avg=sum/5;
cout<<"\n Average marks of "<<(i+1)<<" student is "<<avg;
cout<<"\n\n-----------------------------------\n";
}
return 0;
}//end of main
#include<iostream>
using namespace std;
struct student
{
int rollno;
char name[10];
int fee;
}st;
void display(student *st)
{
cout<<"\n Name is "<<st->name;
cout<<"\n Rollno is "<<st->rollno;
cout<<"\n Fee is "<<st->fee;
}
int main()
{
cout<<"Enter name : ";
cin>>st.name;
cout<<"Enter rollno : ";
cin>>st.rollno;
cout<<"Enter fee : ";
cin>>st.fee;
display(&st);
return 0;
}//end of main