Submission #1190664

#	Time	Username	Problem	Language	Result	Execution time	Memory
1190664		burgerguy	Crayfish scrivener (IOI12_scrivener)	C++20	34 / 100	146 ms	327680 KiB

scrivener

#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];
}

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 22 / 22
• Subtask 4: 0 / 26
• Subtask 5: 0 / 40