제출 #741829

#제출 시각아이디문제언어결과실행 시간메모리
741829Mauve게임 (APIO22_game)C++17
60 / 100
698 ms15368 KiB
#include "game.h" #include <bitset> #include <queue> #include <vector> using std::bitset; using std::queue; using std::vector; constexpr int MAX_N = 30000; int N, K; vector<vector<int>> graph; vector<bitset<MAX_N>> visited; void init(int N, int K) { ::N = N; ::K = K; graph.assign(N, vector<int>()); visited.assign(K, bitset<MAX_N>()); for (int x = 0; x < K; ++x) { visited[x].set(x); } } int add_teleporter(int u, int v) { graph[u].push_back(v); for (int k = 0; k < K; ++k) { if (visited[k][u]) { queue<int> q; q.push(v); for (; !q.empty(); ) { const int x = q.front(); q.pop(); if (x <= k) { return 1; } if (!visited[k][x]) { visited[k].set(x); for (const int y : graph[x]) { q.push(y); } } } } } return 0; }
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