Submission #67500

#	Time	Username	Problem	Language	Result	Execution time	Memory
67500		Vahan	Game (IOI14_game)	C++17	100 / 100	838 ms	39244 KiB

game

#include "game.h"
#include<iostream>
using namespace std;
int s[1600],p[1600],n,g[1600][1600];
void setcreate(int a)
{
    s[a]=1;
    p[a]=a;
}
int setparent(int a)
{
    if(a==p[a])
        return a;
    p[a]=setparent(p[a]);
    return p[a];
}
void setunion(int a,int b)
{
    a=setparent(a);
    b=setparent(b);
    if(a==b)
        return;
    if(s[a]>=s[b])
    {
        s[a]+=s[b];
        p[b]=a;
        for(int i=0;i<n;i++)
        {
            g[a][i]+=g[b][i];
            g[i][a]=g[a][i];
        }
    }
    else
    {
        s[b]+=s[a];
        p[a]=b;
        for(int i=0;i<n;i++)
        {
            g[b][i]+=g[a][i];
            g[i][b]=g[b][i];
        }
    }
}
void initialize(int N) {
    n=N;
    for(int i=0;i<n;i++)
        setcreate(i);
}

int hasEdge(int u, int v) {
    int a=setparent(u);
    int b=setparent(v);
    if(g[a][b]+1==s[b]*s[a])
    {
        setunion(a,b);
        return 1;
    }
    else
    {
        g[a][b]++;
        g[b][a]++;
        return 0;
    }
}

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