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Programs using while loop

Unknown 23:06 Cplusplus, programs

While Loop

Integer

#include<iostream.h>
int main()
{
int a;
a=1;
while(a<=10)
{
cout<<"\n"<<a;
a=a+1;
}
system("pause");
return 0;
}

Even Number

#include<iostream.h>
int main()
{
int a;
a=2;
while(a<=20)
{
cout<<"\n"<<a;
a=a+2;
}
system("pause");
return 0;
}

Odd Number

#include<iostream.h>
int main()
{
int a;
a=1;
while(a<=21)
{
cout<<"\n"<<a;
a=a+2;
}
system("pause");
return 0;
}

Reverse Number

#include<iostream.h>
int main()
{
int a;
a=10;
while(a>=1)
{cout<<"\n"<<a;
a=a–1;
}
system("pause");
return 0;
}

Write a name ten time

#include<iostream.h>
int main()
{
int a;
a=1;
while(a<=10)
{
cout<<"\n"<<a<<"sagar";
a++;
}
system("pause");
return 0;
}

Square and cube of the number

#include<iostream.h>
int main()
{
int a;
a=1;
while(a<=20)
{
cout<<"\n"<<a<<"\t"<<a*a<<"\t"<<a*a*a;
a++;
}
system("pause");
return 0;
}

Table of given number by user

#include<iostream.h>
int main()
{
int a,b;
cout<<"\n enter anumber=";cin>>a;
b=1;
while(b<=10)
{
cout<<"\n"<<a<<"*"<<b<<"="<<a*b;
b++;
}
system("pause");
return 0;
}

Factorial of given number

#include<iostream.h>
int main()
{
int a,b,c;
cout<<"\n enter anumber=";cin>>a;
c=1;
b=1;
while(b<=a)
{
c=c*b;
b++;
}
cout<<"\n factorial="<<c;
system("pause");
return 0;
}

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