Submission #252538

#	Time	Username	Problem	Language	Result	Execution time	Memory
252538		Kubin	Crayfish scrivener (IOI12_scrivener)	C++17	Compilation error	0 ms	0 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(size_t k)
{
    history.push_back(history.rbegin()[k - 1]);
}

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

Compilation message (stderr)

/tmp/ccrLitPS.o: In function `main':
grader.cpp:(.text.startup+0x14b): undefined reference to `UndoCommands(int)'
grader.cpp:(.text.startup+0x177): undefined reference to `GetLetter(int)'
collect2: error: ld returned 1 exit status