C语言，求最小n和s的值

Question

Answer 1

#include <stdio.h>
int m,n,s;

int main()
{
    scanf("%d",&m);
    s=0;
    n=1;
    while(s<m)
    {
        s+=n;
        n++;
    }
    printf("%d",s);
    return 0;
}