题解 | #牛牛学数列4#
牛牛学数列4
https://www.nowcoder.com/practice/586b114f52034688879342ba45779081
#include <stdio.h>
int main() {
int n = 0,sum = 0,tem = 0,i = 0,j = 0;
scanf("%d",&n);
for(j = 1; j < n+1; j++)
{
sum = 0;
for(i = 1; i < j+1; i++)
{
sum += i;
}
tem += sum;
}
printf("%d",tem);
return 0;
}
