| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1300838 | AMel0n | 크레이피쉬 글쓰는 기계 (IOI12_scrivener) | C++20 | 358 ms | 223540 KiB |
#include <ext/rope>
int l;
__gnu_cxx::crope a[1000001];
void Init() { l = 0; }
void TypeLetter(char c) { l++, a[l] = a[l - 1] + c; }
void UndoCommands(int k) { l++, a[l] = a[l - k - 1]; }
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