043. 실수 소수점 버리기 올리기 ( floor, ceil )

 #include <iostream>

using namespace std;



int main()

{

    //소수점을 무조건 버릴때사용하는 함수floor()입니다.

    cout << "== 소수점 버리기 ==" << endl;

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

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

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

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

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

    //소수점을 무조건 올릴때 사용하는 함수 ceil()입니다.

    cout << "== 소수점 올리기 ==" << endl;

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

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

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

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

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



    return 0;

}