题解 | #实现四舍五入#
实现四舍五入
https://www.nowcoder.com/practice/020a0cf673174d5795d97ae79cff59a0
#include <cstddef>
#include <iostream>
using namespace std;
int main() {
double a;
while (cin >> a) { // 注意 while 处理多个 case
if(a > 0){
cout << int(a + 0.5) << endl;
}else{
cout << int(a - 0.5) << endl;
}
}
}