Submission #425804

#	Time	Username	Problem	Language	Result	Execution time	Memory
425804		Maqsut_03	Crayfish scrivener (IOI12_scrivener)	C++14	0 / 100	148 ms	262148 KiB

scrivener

#include<bits/stdc++.h>
using namespace std;

string last;
vector<string> s;

void Init() {}

void TypeLetter(char L) {

  last += L;
  s.push_back(last);
}

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

char GetLetter(int P) {

  return last[P-1];
}

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