제출 #1274168

#제출 시각아이디문제언어결과실행 시간메모리
1274168dhuyyyyVlak (COCI20_vlak)C++20
40 / 70
15 ms23144 KiB
#include<bits/stdc++.h> #define fi first #define se second #define int long long using namespace std; using ll = long long; using ii = pair<int, int>; using aa = array<int,4>; const int N = 2e5+5; const int INF = 1e9; const int MOD = 998244353; int n, m, u, timer = 0; int trie[2][N][27], dp[N]; string s; void add(string s,int type){ u = 0; for (char c : s){ if (trie[type][u][c - 'a'] == 0) trie[type][u][c - 'a'] = ++timer; u = trie[type][u][c - 'a']; } } int dfs(int u,int v, int turn){ // u là trie 0, v là trie 1, turn là lượt if (dp[u] != -1) return dp[u]; if (turn == 0){ for (int j = 0; j <= 25; j++){ if (trie[0][u][j] && !trie[1][v][j]){ dp[u] = 0; return dp[u]; } } for (int j = 0; j <= 25; j++){ if (trie[0][u][j]){ int tmp = dfs(trie[0][u][j],trie[1][v][j],1); if (tmp == 0){ dp[u] = tmp; return dp[u]; } else dp[u] = tmp; } } } else{ for (int j = 0; j <= 25; j++){ if (trie[0][u][j] && !trie[1][v][j]){ dp[u] = 1; return dp[u]; } } for (int j = 0; j <= 25; j++){ if (trie[1][v][j]){ int tmp = dfs(trie[0][u][j],trie[1][v][j],0); if (tmp == 1){ dp[u] = tmp; return dp[u]; } else dp[u] = tmp; } } } return dp[u]; } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL); cin >> n; for (int i = 1; i <= n; i++){ cin >> s; add(s,0); } cin >> m; timer = 0; for (int i = 1; i <= m; i++){ cin >> s; add(s,1); } for (int i = 0; i < 200000; i++) dp[i] = -1; cout << (dfs(0,0,0) == 0 ? "Nina" : "Emilija"); return 0; } /* ██╗░░██╗██╗░░██╗░█████╗░███╗░░██╗░██████╗░ ░██████╗██╗██╗░░░██╗ ░█████╗░██╗░░░██╗████████╗███████╗ ██║░██╔╝██║░░██║██╔══██╗████╗░██║██╔════╝░ ██╔════╝██║██║░░░██║ ██╔══██╗██║░░░██║╚══██╔══╝██╔════╝ █████═╝░███████║███████║██╔██╗██║██║░░██╗░ ╚█████╗░██║██║░░░██║ ██║░░╚═╝██║░░░██║░░░██║░░░█████╗░░ ██╔═██╗░██╔══██║██╔══██║██║╚████║██║░░╚██╗ ░╚═══██╗██║██║░░░██║ ██║░░██╗██║░░░██║░░░██║░░░██╔══╝░░ ██║░╚██╗██║░░██║██║░░██║██║░╚███║╚██████╔╝ ██████╔╝██║╚██████╔╝ ╚█████╔╝╚██████╔╝░░░██║░░░███████╗ ╚═╝░░╚═╝╚═╝░░╚═╝╚═╝░░╚═╝╚═╝░░╚══╝░╚═════╝░ ╚═════╝░╚═╝░╚═════╝░ ░╚════╝░░╚═════╝░░░░╚═╝░░░╚══════╝ */
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