제출 #569528

#제출 시각아이디문제언어결과실행 시간메모리
569528redstonegamer22크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++17
100 / 100
500 ms223412 KiB
#include <ext/rope> int l; __gnu_cxx::crope v[(int)1e6 + 7]; void Init() {;} void TypeLetter(char c) { v[l + 1] = v[l] + c; ++l; } void UndoCommands(int k) { v[l + 1] = v[l - k]; ++l; } char GetLetter(int k) { return v[l][k]; }
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