题解 | 取近似值
取近似值
https://www.nowcoder.com/practice/3ab09737afb645cc82c35d56a5ce802a
#include <iostream>
using namespace std;
int main() {
double a;
cin >> a;
int b = static_cast<int>(a);
if ((a - b) >= 0.5)
cout << b + 1 << endl;
else
cout << b << endl;
}
// 64 位输出请用 printf("%lld")
