제출 #434358

#제출 시각아이디문제언어결과실행 시간메모리
434358kevinxiehk크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++17
100 / 100
936 ms259392 KiB
#include<bits/stdc++.h> using namespace std; int loc[1000005]; struct node{ int dep; char curr; int up; int par[25]; unordered_map<char, int> ch; }; node trie[1000005]; int cnt = 1; int step = 0; void Init() { loc[0] = 0; for(int i = 0; i < 1000000; i++) for(int j = 0; j < 25; j++) trie[i].par[j] = i; return; } void TypeLetter(char L) { step++; int lst = loc[step - 1]; if(trie[lst].ch[L] == 0) { trie[lst].ch[L] = cnt; trie[cnt].dep = trie[lst].dep + 1; trie[cnt].curr = L; trie[cnt].par[0] = lst; for(int i = 1; i < 25; i++) { trie[cnt].par[i] = trie[trie[cnt].par[i - 1]].par[i - 1]; } cnt++; } loc[step] = trie[lst].ch[L]; } void UndoCommands(int U) { step++; loc[step] = loc[step - U - 1]; } char GetLetter(int p) { p++; int dif = trie[loc[step]].dep - p; int pt = loc[step], hm = 0; while(dif) { if(dif & (1 << hm)) { pt = trie[pt].par[hm]; dif -= (1 << hm); } hm++; } return trie[pt].curr; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...