제출 #577125

#제출 시각아이디문제언어결과실행 시간메모리
577125AngusWong크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++17
34 / 100
111 ms262144 KiB
#include <bits/stdc++.h>
using namespace std;

string s;
vector<string> v;

void Init() {
	s="";
	v.clear();
	v.push_back(s);
}

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

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

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