Sum of all integer between 1-100 using for loop.c

#include<stdio.h>
int main()
{
    int n,sum;
    sum=0;
    n=1;

    while(n<=100)
        {
            sum=sum+n;
            n=n+1;
        }
    printf("Summation is: %d",sum);

    return 0;
}