Submission #254200

#	Time	Username	Problem	Language	Result	Execution time	Memory
254200		PedroBigMan	Game (IOI14_game)	C++14	42 / 100	1091 ms	888 KiB

game

#include "game.h"
#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <string>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <queue>
#include <deque>
#include <list>
#include <iomanip>
#include <stdlib.h>
#include <time.h>
#include <cstring>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;
typedef long double ld;
#define REP(i,a,b) for(ll i=(ll) a; i<(ll) b; i++)
#define pb push_back
#define mp make_pair
#define pl pair<ll,ll>
#define ff first
#define ss second
#define whole(x) x.begin(),x.end()
#define DEBUG(i) cout<<"Pedro Is The Master "<<i<<endl
#define INF 500000000LL
#define EPS 0.00000001
#define pi 3.14159
ll N; 

struct hash_pair 
{ 
    template <class T1, class T2> 
    size_t operator() (pair<T1, T2> p) const
    {
        size_t hash1 = hash<T1>()(p.first); 
        size_t hash2 = hash<T2>()(p.second); 
        return (hash1 ^ hash2); 
    } 
};

unordered_set<pl,hash_pair> cut;
vector<bool> visited;

void initialize(int n) 
{
    N=(ll) n;
    REP(i,0,N) {visited.pb(false);}
}

void DFS(ll s)
{
    visited[s]=true;
    REP(i,0,N)
    {
        if(visited[i] || i==s) {continue;}
        if(cut.find(mp(s,i))!=cut.end() || cut.find(mp(i,s))!=cut.end()) {continue;}
        DFS(i);
    }
}

int hasEdge(int u, int v) 
{
    cut.insert(mp(u,v));
    REP(i,0,N) {visited[i]=false;}
    DFS(0);
    cut.erase(mp(u,v));
    bool connected=true;
    REP(i,0,N) {if(!visited[i]) {connected=false; break;}}
    if(connected) {cut.insert(mp(u,v)); return 0;}
    else {return 1;}
}

• Subtask 1: 15 / 15
• Subtask 2: 27 / 27
• Subtask 3: 0 / 58