044. 실수 반올림하기 ( round )

 #include <iostream>

using namespace std;



int main()

{

    //소수점을 반올림할때 사용하는 round()함수입니다.

    cout << "round(1.1) : " << round(1.1) << endl;

    cout << "round(-2.3) : " << round(-2.3) << endl;

    cout << "round(40.5) : " << round(40.5) << endl;

    cout << "round(-55.7) : " << round(-55.7) << endl;

    cout << "round(100.9) : " << round(100.9) << endl;



    return 0;

}