제출 #1192373

#제출 시각아이디문제언어결과실행 시간메모리
1192373Munimitso크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++20
100 / 100
600 ms222672 KiB
#include <bits/stdc++.h>
#include <ext/rope>

using namespace std;
using namespace __gnu_cxx;

vector<crope> states(1);

void Init() {}

void TypeLetter(char L) {
    states.push_back(states.back()+L);
    // cout << states.back() << endl;
}

void UndoCommands(int U) {
    states.push_back(states[states.size()-U-1]);
    // cout << states.back() << endl;
}

char GetLetter(int P) {
    return states.back()[P];
}
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