제출 #917611

#제출 시각아이디문제언어결과실행 시간메모리
917611anton크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++17
34 / 100
155 ms262144 KiB
#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];

}
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