Submission #577838

#	Time	Username	Problem	Language	Result	Execution time	Memory
577838		alirezasamimi100	Game (IOI14_game)	C++17	100 / 100	393 ms	15820 KiB

game

#include "game.h"

const int N = 1.5e3 + 10;

int rq[N][N], p[N], n;

int gp(int x){
    return p[x]==x ? x : p[x]=gp(p[x]);
}

void uni(int x, int y){
    p[y] = x;
    for(int i = 0; i < n; i++){
        rq[i][x] += rq[i][y];
        rq[i][y] = 0;
        rq[x][i] += rq[y][i];
    }
}

void initialize(int wtn) {
    n = wtn;
    for(int i = 0; i < n; i++){
        for(int j = 0; j < n; j++){
            rq[i][j] = 1;
        }
        rq[i][i] = 0;
        p[i] = i;
    }
}

int hasEdge(int u, int v) {
    u = gp(u);
    v = gp(v);
    rq[v][u]--;
    rq[u][v]--;
    if(!rq[u][v]){
        uni(u, v);
        return 1;
    }
    return 0;
}

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