Submission #1165686

#	Time	Username	Problem	Language	Result	Execution time	Memory
1165686		ty_mxzhn	Game (IOI14_game)	C++20	15 / 100	5 ms	9288 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 1507;
int par[N] , subt[N] , cnt[N][N];
int find(int a){
    if(par[a] == a)return a;
    return par[a] = find(par[a]);
}
void merge(int a , int b){
    a = find(a) , b = find(b);
    if(a == b)return;
    if(subt[a] > subt[b])swap(a,b);
    subt[b] += subt[a];
    par[a] = b;
    for(int i = 0;i<N;i++){
        cnt[b][i] += cnt[a][i];
    }
}
void initialize(int n) {
    iota(par , par + N , 0);
    fill(subt , subt + N , 1);
    memset(cnt , 0 , sizeof(cnt));
}

int hasEdge(int u, int v) {
    u = find(u) , v = find(v);
    if(u == v)return 0;
    int target = subt[u] * subt[v];
    if(cnt[u][v] == target-1){
        merge(u,v);
        return 1;
    }
    else{
        cnt[u][v]++;
        cnt[v][u]++;
        return 0;
    }
}

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