C++ 알고리즘 - 백준 2884 알람 시계

https://www.acmicpc.net/problem/2884

 

#include <iostream>
using namespace std;

int main(void) {
	// C++ Init
	ios::sync_with_stdio(false);
	cin.tie(NULL);

	int input1, input2;
	cin >> input1 >> input2;

	input2 -= 45;

	if (input2 < 0) {
		input1--;
		input2 += 60;
	}
	if (input1 < 0) input1 = 23;

	cout << input1;
	cout << " ";
	cout << input2;
}