#include <stdio.h>
int main(){
int n,s,m;
scanf("%d",&m);
for(int i=0;i<m;i++){
scanf("%d",&n);
s = (1+n)*n/2;
printf("%d\n",s);
s=0;
}
return 0;
}
试试看
#include <stdio.h>
int main()
{
int m, sum = 0;
scanf("%d", &m);
int n[m], s[m];
for (int i = 0; i < m; i++)
{
scanf("%d", &n[i]);
s[i] = (1 + n[i]) * n[i] / 2;
sum = sum + s[i];
}
printf("%d", sum);
return 0;
}