| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1190682 | burgerguy | 크레이피쉬 글쓰는 기계 (IOI12_scrivener) | C++20 | 431 ms | 223560 KiB |
#include <bits/stdc++.h>
#include <ext/rope>
using namespace std;
using namespace __gnu_cxx;
using ll = long long;
crope commands[1000010];
ll curCommand = 0;
void Init() {
}
void TypeLetter(char L) {
++curCommand;
commands[curCommand] = commands[curCommand - 1] + L;
}
void UndoCommands(int U) {
++curCommand;
commands[curCommand] = commands[max(0LL, curCommand - U - 1)];
}
char GetLetter(int P) {
return commands[curCommand][P];
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