Submission #252539

#	Time	Username	Problem	Language	Result	Execution time	Memory
252539		Kubin	Crayfish scrivener (IOI12_scrivener)	C++17	5 / 100	165 ms	262148 KiB

scrivener

#include <bits/stdc++.h>

using namespace std;

vector<string> history;

void Init()
{
    history.push_back("");
}

void TypeLetter(char ch)
{
    history.push_back(history.back() + ch);
}

void UndoCommands(int k)
{
    history.push_back(history.rbegin()[k - 1]);
}

char GetLetter(int i)
{
    return history.back()[i];
}

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