Submission #425832

#	Time	Username	Problem	Language	Result	Execution time	Memory
425832		Maqsut_03	Crayfish scrivener (IOI12_scrivener)	C++14	34 / 100	130 ms	262148 KiB

scrivener

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

string last;
map<int, string> s;
int k = 0;

void Init() {}

void TypeLetter(char L) {
  k++;
  last += L;
  s[k] = last;
}

void UndoCommands(int U) {
    last = s[k - U];
    s[++k] = last;
}

char GetLetter(int P) {

  return last[P];
}

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