Submission #1250594

#TimeUsernameProblemLanguageResultExecution timeMemory
1250594countlessWorld Map (IOI25_worldmap)C++20
15 / 100
153 ms18400 KiB
#include "worldmap.h" #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define sp <<" "<< #define endl "\n" vector<vector<int>> create_map(int N, int M, vector<int> A, vector<int> B) { // subtask 1 // vector<vector<int>> ans(N, vector<int>(N)); // deque<int> o(N); // for (int i = 0; i < N; i++) { // fill(o.begin(), o.end(), i+1); // ans[i] = vector<int>(o.begin(), o.end()); // } // subtask 3 // rainbow? // vector<vector<int>> ans(N, vector<int>(N)); // deque<int> o(N); // iota(o.begin(), o.end(), 1); // for (int i = 0; i < N; i++) { // ans[i] = vector<int>(o.begin(), o.end()); // for (int j = 0; j < i+1; j++) { // o.push_front(o.back()); // o.pop_back(); // } // } // subtask 2/5 // vector<vector<pair<int, int>>> adj(N+1); // for (int i = 0; i < M; i++) { // adj[A[i]].emplace_back(B[i], i); // adj[B[i]].emplace_back(A[i], i); // } // vector<int> sigma; // vector<bool> vis(M); // auto dfs = [&](auto &&dfs, int u) -> void { // sigma.push_back(u); // for (auto &[v, id] : adj[u]) { // if (vis[id]) continue; // vis[id] = true; // dfs(dfs, v); // sigma.push_back(u); // } // }; // dfs(dfs, 1); // int K = sigma.size(); // assert(K <= 250); // vector<vector<int>> ans(K, vector<int>(K)); // for (int i = 0; i < K; i++) ans[i] = sigma; // subtask 4 vector<int> sigma; for (int i = 0; i < M; i++) { sigma.push_back(1); sigma.push_back(A[i]); sigma.push_back(B[i]); } int K = sigma.size(); vector<vector<int>> ans(240, vector<int>(240, 1)); int i = 0, j = 0; while (!sigma.empty()) { if (i == 240) i = 0, j+=2; ans[j][i++] = sigma.back(); sigma.pop_back(); ans[j][i++] = sigma.back(); sigma.pop_back(); ans[j][i++] = sigma.back(); sigma.pop_back(); } return ans; }
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