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; #include<math.h> int main() { double d; cin >> d; // write your code here...... int a; a=d; if(fabs(a-d)>0.5) { cout<<(d>0?a+1:a-1)<<endl; } else cout<<a<<endl; return 0; }