제출 #1252704

#제출 시각아이디문제언어결과실행 시간메모리
1252704dreamnguyen세계 지도 (IOI25_worldmap)C++20
15 / 100
14 ms2116 KiB
#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; }
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