제출 #1020309

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1020309		MarwenElarbi	Game (IOI14_game)	C++17	0 / 100	3 ms	5148 KiB

game

#include <bits/stdc++.h>
#include "game.h"
using namespace std;
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define pb push_back
#define se second
#define fi first
#define optimise ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
const int nax=1e5+5;
int N;
set<int> st[nax];

void initialize(int n) {
    N=n;
    for (int i = 0; i < n; ++i)
    {
        for (int j = 0; j < n; ++j)
        {
            if(j==i) continue;
            st[i].insert(j);
        }
    }
}

int hasEdge(int u, int v) {
    if(u>v) swap(u,v);
    if(st[u].begin()==st[u].lower_bound(v)&&st[u].size()==1){
        st[u].erase(v);
        st[v].erase(u);
        return 1;
    }
    auto x=*--st[u].lower_bound(v);
    st[u].erase(v);
    st[v].erase(u);
    if(x<u) return 1;
    else return 0;
}

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