Submission #1296979

#TimeUsernameProblemLanguageResultExecution timeMemory
1296979nataliaaWorld Map (IOI25_worldmap)C++20
15 / 100
1207 ms2109608 KiB
#include<bits/stdc++.h> using namespace std; vector<int> ans; vector<int> v[41]; void rec(int u, int w) { for(int i = 0; i < v[w].size(); i++) { if(v[w][i]!=u){ ans.push_back(w); rec(w, v[w][i]); } } if(w!=1) ans.push_back(w); } vector<vector<int>> create_map(int N, int M, vector<int> A, vector<int> B){ if(M==0) { vector<vector<int>> v1(1, vector<int>(1,1)); return v1; } for(int i = 0; i<=40; i++) v[i].clear(); for(int i = 0; i < M; i++) { v[A[i]].push_back(B[i]); v[B[i]].push_back(A[i]); } ans.clear(); rec(0, 1); int n = ans.size(); vector<vector<int>> ans1(n, vector<int>(n)); for(int i = 0; i < ans.size(); i++) { for(int j = 0; j < ans.size(); j++){ ans1[i][j] = ans[j]; } } return ans1; }
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