Submission #974567

#	Time	Username	Problem	Language	Result	Execution time	Memory
974567		IUA_Hasin	Game (APIO22_game)	C++17	0 / 100	2 ms	9816 KiB

game

#include "game.h"

#include <bits/stdc++.h>

#define endl                            "\n"
#define ll                              long long

using namespace std;

const ll N = 3e5+10;
ll NN, K;
std::vector<ll> graph[N];

ll vis[N];
ll vis2[N];

std::vector<ll> nodes;
std::vector<ll> dfs(ll source){
    if(vis[source]==0){
        vis[source] = 1;
        nodes.push_back(source);
        for(auto u : graph[source]){
            dfs(u);
        }
    } else {
        return nodes;
    }

    return nodes;
}


void init(int n, int k) {
  NN = n;
  K = k;
  for(int i=0; i<=k-2; i++){
    graph[i].push_back(i+1);
  }
}


int add_teleporter(int u, int v) {
    graph[u].push_back(v);
    for(int i=0; i<NN; i++){
        vis[i] = 0;
    }
    nodes.clear();

    if(u>=K && v<K){
        vis2[u] = 1;
    }

    if(u<K && v<K){
        return 1;
    } else {
        std::vector<ll> v = dfs(0);

        // for(int i=0; i<v.size(); i++){
        //     cout << v[i] << " ";
        // }
        // cout<<endl;

        ll status = 0;
        for(int i=0; i<v.size(); i++){
            if(status==1){
                break;
            } else {
                ll a = v[i];
                if(vis2[a]==1){
                    status = 1;
                }
            }
        }
        return status;
    }


}

Compilation message (stderr)

game.cpp: In function 'int add_teleporter(int, int)':
game.cpp:64:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |         for(int i=0; i<v.size(); i++){
      |                      ~^~~~~~~~~

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