Submission #580620

#	Time	Username	Problem	Language	Result	Execution time	Memory
580620		MrDeboo	Game (IOI14_game)	C++17	0 / 100	1 ms	2516 KiB

game

#include "game.h"
#include"bits/stdc++.h"
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<class x>
using ordered_set = tree<x, null_type,less<x>, rb_tree_tag,tree_order_statistics_node_update>;
int n;
bool bl[1500][1500];
bool use[1500][1500];
vector<pair<int,int>>vctpr;
bool SUIII(){
    vector<pair<int,int>>vctpor;
    int cnt=0;
    vector<bool>vis(n);
    deque<int>dq={rand()%n};
    vis[dq.back()]=1;
    while(dq.size()){
        int a=dq.front();
        dq.pop_front();
        for(int i=0;i<n;i++){
            if(i==a||!bl[a][i])continue;
            if(!vis[i]){
                vis[i]=1;
                vctpor.push_back({a,i});
                vctpor.push_back({i,a});
                cnt++;
                dq.push_back(i);
            }
        }
    }
    if(cnt!=n)return 0;
    for(auto &i:vctpr)use[i.first][i.second]=0;
    vctpr=vctpor;
    for(auto &i:vctpr)use[i.first][i.second]=1;
    return 1;
}

void initialize(int N){
    n=N;
    memset(bl,1,sizeof bl);
    srand(time(NULL));
    SUIII();
}

int hasEdge(int u, int v){
    bl[u][v]=0;
    bl[v][u]=0;
    if(SUIII())return 0;
    bl[u][v]=1;
    bl[v][u]=1;
    return 1;
}

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