Submission #1155083

#	Time	Username	Problem	Language	Result	Execution time	Memory
1155083		alexdd	Game (IOI14_game)	C++20	100 / 100	221 ms	9388 KiB

game

#include "game.h"
#include<bits/stdc++.h>
using namespace std;
int cntcomp;
int father[1505];
vector<int> comp[1505];
bool asked[1505][1505];
void initialize(int n)
{
    for(int i=0;i<n;i++)
    {
        father[i] = i;
        comp[i].push_back(i);
    }
    cntcomp=n;
}
void unite(int u, int v)
{
    u = father[u];
    v = father[v];
    if((int)comp[v].size() > (int)comp[u].size())
        swap(u,v);
    vector<int> aux = comp[v];
    comp[v].clear();
    for(int x:aux)
    {
        comp[u].push_back(x);
        father[x]=u;
    }
    cntcomp--;
}
int hasEdge(int u, int v)
{
    asked[u][v] = asked[v][u] = 1;
    if(father[u]==father[v])
        return 1;
    u = father[u];
    v = father[v];
    for(int x:comp[u])
        for(int y:comp[v])
            if(!asked[x][y])
                return 0;
    unite(u,v);
    return 1;
}

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