题解 | #牛牛学数列#
牛牛学数列
https://www.nowcoder.com/practice/0b97367cd2184c12a0e02f7c223aee11
#include <stdio.h>
int main()
{
int n = 0;
int sum = 0;
int flag = 1;
scanf("%d",&n);
for(int i = 1; i <= n; i++)
{
sum+=i * flag;
flag = -flag;
}
printf("%d",sum);
return 0;
}
查看6道真题和解析
尤其是“对战，总负责人”啊这些套职，基本上队员，打杂的都这么写