题解 | #定义变量#
实现四舍五入
http://www.nowcoder.com/practice/020a0cf673174d5795d97ae79cff59a0
#include
using namespace std;
int main() {
double d;
cin >> d;
if((d-int(d))>=0.5||(d-int(d))<=-0.5)
{ if(d>=0)
cout<<(int(d)+1)<<endl;
else
cout<<(int(d)-1)<<endl;
}
else
cout<<int(d)<<endl;
return 0;
}
