[#1085] 직사각형에서 탈출

#include <iostream>
#include <algorithm>
using namespace std;
 
int main() {
    int x, y, w, h;
    cin >> x >> y >> w >> h;
 
    int minDistance = 1001;
 
    minDistance = min(minDistance, h - y); //위
    minDistance = min(minDistance, y); //아래
    minDistance = min(minDistance, w - x); //오른쪽
    minDistance = min(minDistance, x); //왼쪽
 
    cout << minDistance;
 
    return 0;
}