제출 #307443

#제출 시각아이디문제언어결과실행 시간메모리
307443shrek12357Crayfish scrivener (IOI12_scrivener)C++14
5 / 100
177 ms262148 KiB
#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

string s = "";
vector<string> pres;

void Init() {

}

void TypeLetter(char L) {
	s += L;
	pres.push_back(s);
}

void UndoCommands(int U) {
	s = pres.size() - 1 - U;
	pres.push_back(s);
}

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