题解 | #实现四舍五入#
实现四舍五入
https://www.nowcoder.com/practice/020a0cf673174d5795d97ae79cff59a0
#include <cstdio>
#include <iostream>
using namespace std;
int main()
{
double d;
int a;
cin >> d;
a = d;
if (d-a >= 0.5)
cout << a + 1;
else if (d-a <= -0.5 )
cout << a-1;
else
cout << a;
}
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