제출 #71768

#제출 시각아이디문제언어결과실행 시간메모리
71768RezwanArefin01크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++17
100 / 100
879 ms224032 KiB
#include <ext/rope> int idx = 0; __gnu_cxx::crope s[1000100]; void Init() {} void TypeLetter(char L) { idx++; s[idx] = s[idx - 1]; s[idx].push_back(L); } void UndoCommands(int U) { ++idx; s[idx] = s[idx - U - 1]; } char GetLetter(int P) { return s[idx][P]; }
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