Submission #1305815

#	Time	Username	Problem	Language	Result	Execution time	Memory
1305815		jojeonghoon	게임 (APIO22_game)	C++20	30 / 100	72 ms	3284 KiB

game

#include <bits/stdc++.h>
#include "game.h"
using namespace std;


const int LM=300100;
int N,K;
vector<int>G[LM];

void init(int N_, int K_){
    N=N_;
    K=K_;
    for(int i=0; i<K-1; i++) G[i].push_back(i+1);
}

int D[LM], ch[LM];
int dfs(int x, int w){
    w+=x<K;
    if(D[x]) return D[x]<w;
    D[x]=w;
    for(int i:G[x]){
        if(!ch[i] && dfs(i,w)) return 1;
    }
    
    D[x]=0;
    ch[x]=1;
    return 0;
}

int add_teleporter(int u, int v){
    G[u].push_back(v);
    fill(ch,ch+N,0);
    return dfs(u,1);
}

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