题解 | #取近似值#

#include <iostream>
using namespace std;

int main() {
    double a;
    cin >> a;
    int b = a;
    double c = b;
    double d = a - c;
    if(d >= 0.5)
    cout << c + 1 << endl;
    else cout << c << endl;
    return 0;
}
// 64 位输出请用 printf("%lld")