Submission #513510

#	Time	Username	Problem	Language	Result	Execution time	Memory
513510		status_coding	Game (IOI14_game)	C++14	0 / 100	1 ms	304 KiB

game

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

int cnt;
int par[2005];
int nr[2005];

int dsu_par(int x)
{
    if(par[x]!=x)
        par[x]=dsu_par(par[x]);
    return par[x];
}
void dsu_merge(int x, int y)
{
    par[y]=x;
    nr[x]+=nr[y]-2;

    cnt--;
}

void initialize(int n)
{
    cnt = n;

    for(int i=1;i<=n;i++)
    {
        par[i]=i;
        nr[i]=n-1;
    }
}

int hasEdge(int x, int y)
{
    x = dsu_par(x+1);
    y = dsu_par(y+1);

    if(x == y)
        return true;

    if(cnt > 2 && (nr[x]>=2 || nr[y]>=2))
    {
        dsu_merge(x, y);
        return true;
    }

    if(cnt == 1 && (nr[x]==1 || nr[y]==1))
    {
        dsu_merge(x, y);
        return true;
    }

    nr[x]--;
    nr[y]--;
    return false;
}

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