제출 #982699

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
982699		vjudge1	게임 (APIO22_game)	C++17	0 / 100	2 ms	7512 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector <ll>;

const ll MAXN = 3E5+16;
int n, k;
vll adj[MAXN];

void init (int n, int k) {
    ::n = n, ::k = k;
    for (ll i = 1; i < k; i++) {
        adj[i-1].push_back(i);
    }
}

ll tvis[MAXN];
ll timer = 1;
ll dfs (ll u, ll par, ll lastK) {
    if (tvis[u] == timer) return 0;
    tvis[u] = timer;
    for (ll v : adj[u]) {
        if (v <= lastK) return 1;
        if (dfs(v, u, (u < k ? u : lastK))) return 1;
    }
    return 0;
}

int add_teleporter (int u, int v) {
    adj[u].push_back(v);
    timer++;
    return dfs(0, 0, 0);
}

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