#include "game.h"
#include <bits/stdc++.h>
/**#pragma GCC optimize ("O4")
#pragma GCC optimize ("fast-math")
#pragma GCC optimize ("unroll-loops")
**/
#define XX first
#define YY second
#define all(x) begin(x), end (x)
#define FOR(i, a, b) for(int i = (a); i <= (b); i++)
#define FORD(i, b, a) for(int i = (b); i >= (a); i--)
#define REP(i, a, b) for (int i = (a); i < (b); i++)
#define left Left
#define right Right
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef double dbl;
typedef long double ldbl;
template <class A, class B>
bool maxim (A& x, B& y){
if (x < y)
return x = y, true;
else
return false;
}
template <class A, class B>
bool minim (A& x, B& y){
if (x > y)
return x = y, true;
else
return false;
}
/*END OF TEMPLATE XD*/
const int NMAX = 1506;
int city[NMAX + 1];
int distance[NMAX + 1];
int n;
void initialize (int m){
n = m;
REP (i, 0, n)
city[i] = false;
}
int hasEdge (int u, int v){
return (++ city[u > v ? u : v]) == (u > v ? u : v);
}
