[백준 1085] 직사각형 탈출

쉬운 구현

#include <iostream>

using namespace std;
int main(void){

    ios::sync_with_stdio(0);
    cin.tie(0);

int x,y,w,h;
cin>>x>>y>>w>>h;

int arr[4];
arr[0]=x;
arr[1]=y;
arr[2]=w-x;
arr[3]=h-y;

int min=arr[0];

for(int i=0; i<4; i++){
    if(min>arr[i])
    min=arr[i];

}

cout<<min;

}