[백준] 1085번 : 직사각형에서 탈출 - C++

https://www.acmicpc.net/problem/1085

#include <iostream>

using namespace std;

int main() {
    int x,y,w,h;
    cin>>x>>y>>w>>h;
    int a=min(x,w-x);
    int b=min(y,h-y);
    cout<<min(a,b);
}