Submission #1250138

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250138		chithanhnguyen	World Map (IOI25_worldmap)	C++20	0 / 100	1 ms	580 KiB

worldmap

#include "worldmap.h"
#include <bits/stdc++.h>
using namespace std;

int n, m;
vector<int> euler_tour;
vector<int> adj[1005];
bool vis[1005];

void dfs(int u) {
    vis[u] = 1;
    euler_tour.push_back(u);
    
    for (int v : adj[u]) {
        if (!vis[v]) {
            dfs(v);
            euler_tour.push_back(u);
        }
    }
}

vector<vector<int>> create_map(int N, int M, vector<int> A, vector<int> B) {
    n = N; m = M;
    for (int i = 0; i < m; ++i) {
        int u = A[i], v = B[i];
        adj[u].push_back(v);
        adj[v].push_back(u);
    }

    dfs(1);
    vector<vector<int>> res(2*n-1, vector<int>(2*n-1));
    for (int i = 0; i < 2 * n - 1; ++i) {
        for (int j = 0; j < 2 * n - 1; ++j) {
            res[i][j] = euler_tour[i];
        }
    }

    return res;
}

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