Submission #1160615

#	Time	Username	Problem	Language	Result	Execution time	Memory
1160615		Aviansh	게임 (APIO22_game)	C++17	0 / 100	0 ms	320 KiB

game

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

using namespace std;

vector<unordered_set<int>>g;
vector<int>vis;
int myk;
int myn;
void init(int n, int k) {
    myk=k;
    myn=n;
    g.clear();
    vis.clear();
    for(int i = 0;i<n;i++){
        g.push_back(unordered_set<int>());
        vis.push_back(0);
    }
    for(int i = 0;i<k-1;i++){
        g[i].insert(i+1);
    }
}

int cyc = 0;

void dfs(int st){
    assert(st>=0);
    assert(st<myn);
    vis[st]=1;
    for(int i : g[st]){
        if(vis[i]==2){
            continue;
        }
        if(vis[i]==1){
            if(i<myk){
                cyc=1;
            }
            continue;
        }
        dfs(i);
    }
    vis[st]=2;
}

int add_teleporter(int u, int v) {
    assert(myn>0);
    g[u].insert(v);
    fill(vis.begin(),vis.end(),0);
    dfs(0);
    return cyc;
}

• Subtask 1: 0 / 2
• Subtask 2: 0 / 10
• Subtask 3: 0 / 18
• Subtask 4: 0 / 30
• Subtask 5: 0 / 40