题解 | #实现四舍五入#
实现四舍五入
https://www.nowcoder.com/practice/020a0cf673174d5795d97ae79cff59a0
#include<iostream>
using namespace std;
int main()
{
float n;
cin>>n;
int tmp = n*10;
if((tmp%10)>=5)
{
tmp+=10;
tmp/=10;
cout<<tmp<<endl;
}
else {
printf("%.0f",n);
}
return 0;
}
