Submission #398133

#	Time	Username	Problem	Language	Result	Execution time	Memory
398133		chirathnirodha	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	176 ms	262148 KiB

scrivener

//Coded by Chirath Nirodha
#include<bits/stdc++.h>
using namespace std;
vector<string> s;
vector<long long> seq;
void Init(){
  string x;
  seq.push_back(0);
  s.push_back(x);
}
void TypeLetter(char L) {
  string x=s[seq[seq.size()-1]];
  x.push_back(L);
  seq.push_back(s.size());
  s.push_back(x);
}
void UndoCommands(int U) {
  seq.push_back(seq[seq.size()-1-U]);
}
char GetLetter(int P) {
  return s[seq[seq.size()-1]][P];
}

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