C语言，这个怎么做啊

Question

Answer 1

#include<stdio.h>
#include<stdlib.h>
#include <math.h>
int main()
{
    int t,n,s=0;
    scanf("%d",&t);
    
    for(int i=0;i<t-1;++i)
    {
        s=0;
        scanf("%d",&n);
        while(n)
        {
            s+=2*n-1;
            --n;
        }
        printf("%d\n",s);
    }
    s=0;
    scanf("%d",&n);
    while(n)
    {
        s+=2*n-1;
        --n;
    }
    printf("%d",s);
    return 0;
}