Submission #1265020

#	Time	Username	Problem	Language	Result	Execution time	Memory
1265020		porquenomedejainiciarsesion	World Map (IOI25_worldmap)	C++20	15 / 100	58 ms	7240 KiB

worldmap

#include "worldmap.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
vector<int> res;
vector<vector<int>> adj;
unordered_map<int,unordered_map<int,bool>> V;
void dfs(int cur, int parent = -1) {
    res.push_back(cur+1);    
    for (auto x : adj[cur]) {
        if (!V[x][cur]) {
            V[x][cur]=1;
            dfs(x, cur);    
            res.push_back(cur+1);
        }
    }
}
std::vector<std::vector<int>> create_map(int N, int M, std::vector<int> A, std::vector<int> B) {
  adj.clear();
  V.clear();
  res.clear();
  adj.resize(N);
  std::vector<std::vector<int>> ans;
  for(int i=0;i<M;i++){
    adj[A[i]-1].push_back(B[i]-1);
    adj[B[i]-1].push_back(A[i]-1);
  }
  dfs(0);
  for(int i=0;i<res.size();i++){
    ans.push_back(res);
  }

  return ans;
}

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 7
• Subtask 4: 0 / 8
• Subtask 5: 0 / 14
• Subtask 6: 0 / 56