Submission #108221

#	Time	Username	Problem	Language	Result	Execution time	Memory
108221		SecretAgent007	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	288 ms	263168 KiB

scrivener

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

vector< string > last;

string curr = "";

void Init(){
	
}

void TypeLetter(char c){
	last.push_back(curr);
	curr += c;
}

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

char GetLetter(int n){
	return curr[n];
}

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