Submission #582528

#	Time	Username	Problem	Language	Result	Execution time	Memory
582528		MurotY	Game (APIO22_game)	C++17	2 / 100	17 ms	23888 KiB

game

#include <bits/stdc++.h>
#define ll long long
#include "game.h"
using namespace std;
const int N=1e6+7;
vector <ll> g[N];
ll used[N], sz;
void init(int n, int k) {
    for (int i=0;i<k-1;i++){
        g[i].push_back(i+1);
    }
    sz=k;
}

int add_teleporter(int u, int v) {
    if (u == v && u < sz) return 1;
    else if (u == v) return 0;
    g[u].push_back(v);

    bool ok=0;
    fill(used, used+10000, 0);
    function <void(ll,ll)> dfs = [&] (ll v, ll p){
        used[v]=1;
        for (auto l:g[v]){
            if (used[l] == 0) dfs(l, v);
            else if (used[l] == 1 && l != p){
                ok=1;
                return ;
            }
        }
        used[v]=2;
    };
    dfs(0, 0);
    if (ok) return 1;
    else return 0;
}

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