1,编写程序计算S=1+1+2+1+2+3+1+2+3+4+------+1+2+3+4+------+n,n的最小值和此时

Question

1,编写程序计算S=1+1+2+1+2+3+1+2+3+4+------+1+2+3+4+------+n,n的最小值和此时

Answer 1

# include
int main()
{
int n;
printf("请输入要计算到多少项：");
scanf("%d",&n);
int sum =0 ;
int s=0;
for(int i= 1; i