题解 | #取近似值#
取近似值
http://www.nowcoder.com/practice/3ab09737afb645cc82c35d56a5ce802a
round()函数不就是四舍五入嘛
#include<bits/stdc++.h>
using namespace std;
int main()
{
double num;
cin>>num;
cout<<round(num)<<endl;
return 0;
}
