Submission #194147

#	Time	Username	Problem	Language	Result	Execution time	Memory
194147		juanmartinez111	Crayfish scrivener (IOI12_scrivener)	C++14	Compilation error	0 ms	0 KiB

scrivener

#include<bits/stdc++.h>
using namespace std;
vector<string >posicion;
string pal="";
void Init() {
}

void TypeLetter(char L) {
  pal.push_back(L);
  last = L;
  posicion.push_back(pal);

}

void UndoCommands(int U) {
    string s=posicion[posicion.size()-1-U];
    posicion.push_back(s);
}

char GetLetter(int P) {

  return posicion.back()[P];

}

Compilation message (stderr)

scrivener.cpp: In function 'void TypeLetter(char)':
scrivener.cpp:10:3: error: 'last' was not declared in this scope
   last = L;
   ^~~~
scrivener.cpp:10:3: note: suggested alternative: 'wait'
   last = L;
   ^~~~
   wait