제출 #1250486

#제출 시각아이디문제언어결과실행 시간메모리
1250486ogkostyaWorld Map (IOI25_worldmap)C++20
0 / 100
57 ms7496 KiB
#include "worldmap.h" bool ff[100][100]; bool f[100]; std::vector<std::vector<int>> ans; void dfs(int to, int from, int N) { f[to] = true; ans.push_back(std::vector<int>(N, to)); ans.push_back(std::vector<int>()); for (int i = 1; i <= N; i++) { if (ff[to][i]) { ans.back().push_back(i); ans.back().push_back(to); } } ans.push_back(std::vector<int>(N, to)); bool ex = false; for (int i = 1; i <= N; i++) { if (ff[to][i] && !f[i]) { dfs(i, to, N); ex = true; } } ans.push_back(std::vector<int>(N, from)); } std::vector<std::vector<int>> create_map(int N, int M, std::vector<int> A, std::vector<int> B) { std::fill(&ff[0][0], &ff[0][0] + sizeof(ff), false); for (int i = 0; i < M; i++) { ff[A[i]][B[i]] = true; ff[B[i]][A[i]] = true; } std::fill(f, f + 100, false); ans.clear(); dfs(1, 1, N); for (int i = 0; i < ans.size(); i++) { while (ans[i].size() < ans.size()) { ans[i].push_back(ans[i].back()); } } return ans; }
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