Submission #66296

#	Time	Username	Problem	Language	Result	Execution time	Memory
66296		someone_aa	Game (IOI14_game)	C++17	100 / 100	882 ms	160880 KiB

game

#include <bits/stdc++.h>
#include "game.h"
using namespace std;
const int maxn = 1600;
int s[maxn][maxn], parent[maxn];
int n;

void initialize(int N) {
    for(int i=0;i<N;i++) {
        parent[i] = i;
        for(int j=0;j<N;j++) s[i][j] = 1;
        s[i][i] = 0;
    }
    n = N;
}

void unite(int u, int v) {
    if(u > v) swap(u, v);
    for(int i=0;i<n;i++) {
        s[u][i] = s[i][u] = s[u][i] + s[v][i];
    }

    for(int i=0;i<n;i++) {
        if(parent[i] == v) parent[i] = u;
    }

}

int hasEdge(int u, int v) {
    u = parent[u];
    v = parent[v];

    if(s[u][v] == 1) {
        unite(u, v);
        return 1;
    }
    else {
        s[u][v]--;
        s[v][u]--;
        return 0;
    }
}

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