Submission #307445

#	Time	Username	Problem	Language	Result	Execution time	Memory
307445		shrek12357	Crayfish scrivener (IOI12_scrivener)	C++14	34 / 100	174 ms	262148 KiB

scrivener

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <fstream>
#include <queue>
#include <stack>
using namespace std;

#define ll long long

const int MAXN = 1e6 + 5;

string s = "";
string pres[MAXN];
int counter = 0;

void Init() {

}

void TypeLetter(char L) {
	s += L;
	pres[counter] = s;
	counter++;
}

void UndoCommands(int U) {
	s = pres[counter - 1 - U];
	pres[counter] = s;
	counter++;
}

char GetLetter(int P) {
	return s[P];
}

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