APIO 2011 Find the Path
Author: Andi Qu
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Code
#include <bits/stdc++.h>typedef long long ll;using namespace std;struct Rect {int x1, y1, x2, y2;Rect(int a = 0, int b = 0, int c = 0, int d = 0): x1(a), y1(b), x2(c), y2(d) {if (x1 > x2) swap(x1, x2);if (y1 > y2) swap(y1, y2);}