Submission #27999

#	Time	Username	Problem	Language	Result	Execution time	Memory
27999		zoomswk	Game (IOI14_game)	C++14	100 / 100	723 ms	18764 KiB

game

#include "game.h"

int cnt[1505][1505];
int id[1505];
int sz[1505];

int N;

void initialize(int n) {
    N = n;
    for(int i=0; i<n; i++) sz[i] = 1, id[i] = i;
    return;
}

int hasEdge(int u, int v){
    u = id[u], v = id[v];
    if(cnt[u][v] == sz[u]*sz[v]-1){
        // merge v into u
        for(int i=0; i<N; i++) cnt[i][u] += cnt[i][v];
        for(int i=0; i<N; i++) cnt[u][i] += cnt[v][i];
        for(int i=0; i<N; i++) if(id[i] == v) id[i] = u;
        sz[u] += sz[v];
        return 1;
    }
    cnt[u][v]++, cnt[v][u]++;
    return 0;
}

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