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