제출 #1190664

#제출 시각아이디문제언어결과실행 시간메모리
1190664burgerguy크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++20
34 / 100
146 ms327680 KiB
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

vector<string> commands(1e5);
ll curCommand = 0;
string curString;

void Init() {

}

void TypeLetter(char L) {
    curCommand++;

    curString.append(1, L);
    commands[curCommand] = curString;
}

void UndoCommands(int U) {
    curString = commands[max(0LL, curCommand - U)];

    ++curCommand;
    commands[curCommand] = curString;
}

char GetLetter(int P) {
    return curString[P];
}
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