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 f;
cin>>f;
int a;
a=int(f);
if (f-float(a) >= 0.5 ){
cout<<a+1<<endl;
}
else if (f-float(a) <= -0.5){
cout<<a-1<<endl;
}
else {
cout<<a<<endl;
}
}
// 64 位输出请用 printf("%lld")
