제출 #1040986

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1040986		vanea	게임 (IOI14_game)	C++14	15 / 100	1 ms	604 KiB

game

#include <bits/stdc++.h>
#include "game.h"
using namespace std;
using ll = long long;

const int mxN = 2e3+10;
int n;

set<int> adj[mxN];

int hasEdge(int a, int b) {
    adj[a].erase(b);
    adj[b].erase(a);
    if(adj[a].size() == 0 || adj[b].size() == 0) return 1;
    if(adj[a].size() == 1) {
        int k = *(adj[a].begin());
        if(adj[k].size() == 1) return 1;
    }
    if(adj[b].size() == 1) {
        int k = *(adj[b].begin());
        if(adj[k].size() == 1) return 1;
    }
    return 0;
}

void initialize(int N) {
    n = N;
    for(int i = 0; i < n; i++) {
        for(int j = i+1; j < n; j++) {
            adj[i].insert(j);
            adj[j].insert(i);
        }
    }
}
/*
int main()
{
    initialize(4);
    cout<<hasEdge(0,1)<<hasEdge(3,0)<<hasEdge(1,2)<<hasEdge(0,2);
    cout<<hasEdge(1,3)<<hasEdge(2,3);
    return 0;
}*/

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