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, s=1, z=0;
scanf("%d",&n);
for (s=1; s<=n; s++)
{
if (s%2!=0)
{
z+=s;
}else
{
z-=s;
}
}
printf("%d",z);
return 0;
}
不建议写那么大，可以从小出发更容易