Submission #917611

#	Time	Username	Problem	Language	Result	Execution time	Memory
917611		anton	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	155 ms	262144 KiB

scrivener

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

#define ll long long
char last;

vector<string> vers;

void Init() {
  vers.resize(1);
}

void TypeLetter(char L) {
  last = L;
  vers.push_back(vers.back());
  vers.back().push_back(L);
}

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

char GetLetter(int P) {
  return vers.back()[P];

}

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