Submission #1252704

#	Time	Username	Problem	Language	Result	Execution time	Memory
1252704		dreamnguyen	World Map (IOI25_worldmap)	C++20	15 / 100	14 ms	2116 KiB

worldmap

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

void giai(int u, vector<int> &used, vector<vector<int>> &a, vector<int> &o) {
    o.push_back(u);
    used[u] = 1;
    for (auto v : a[u]) {
        if (used[v] == 0) {
            giai(v, used, a, o);
            o.push_back(u);
        }
    }
}

std::vector<std::vector<int>> create_map(int N, int M, std::vector<int> A, std::vector<int> B) {
        int SIZE = 41;
        vector<int> used(SIZE, 0);
        vector<vector<int>> a(SIZE);
        for (int i = 0; i < M; i++) {
            a[A[i]].push_back(B[i]);
            a[B[i]].push_back(A[i]);
        }
        vector<int> o;
        giai(1, used, a, o);
        int n = (int)o.size();
        vector<vector<int>> ans(n, vector<int> (n, 0));
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                ans[i][j] = o[i];
            }
        }
        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