Submission #1250530

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250530		fadyscube	World Map (IOI25_worldmap)	C++20	15 / 100	14 ms	2120 KiB

worldmap

#include "worldmap.h"

using namespace std;

void dfs (int u, vector<vector<int>> &adj, vector<bool> &visited, vector<int> &ans) {
  visited[u] = true;
  ans.push_back(u+1);
  for (int i = 0; i < adj[u].size(); i++) {
    if (!visited[adj[u][i]]) {
      dfs(adj[u][i], adj, visited, ans);
      ans.push_back(u+1);
    }
  }
}

std::vector<std::vector<int>> create_map(int N, int M, std::vector<int> A, std::vector<int> B) {
  vector<int> ans;
  vector<vector<int>> adj(N);
  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);
  }

  vector<bool> visited(N);
  dfs(0, adj, visited, ans);
  vector<vector<int>> v;
  for (int i = 0; i < ans.size(); i++) {
    v.push_back(ans);
  }

  return v;
}

• 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