제출 #380833

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
380833		IloveN	게임 (IOI14_game)	C++14	0 / 100	1 ms	364 KiB

game

#include<bits/stdc++.h>
#include "game.h"

using namespace std;
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define all(vr) vr.begin(),vr.end()
#define vi vector<int>
#define vll vector<ll>
const int N=2e3+10;
int n, root[N], mark[N][N];
vi S[N];

void merg(int u, int v)
{
    if (S[u].size() < S[v].size()) swap(u, v);
    for (int x : S[v]) root[x] = u, S[u].eb(x);
    S[v].clear();
}

void initialize(int x)
{
    n = x;
    for (int i = 0; i < n; ++i) root[i] = i, S[i].clear(), S[i].eb(i);
    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j) mark[i][j] = 0;
}

int count_edge(int u, int v)
{
    int res = 0;
    for (int x : S[u])
        for (int y : S[v]) res += mark[x][y] ^ 1;
    return res;
}

int hasEdge(int u, int v)
{
    if (u > v) swap(u, v);
    int ru = root[u];
    int rv = root[v];
    int cnt = count_edge(ru, rv);
    if (cnt > 1) return 0;
    merg(ru, rv);
    mark[u][v] = 1;
    return 1;
}

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