Submission #1197049

#	Time	Username	Problem	Language	Result	Execution time	Memory
1197049		belgianbot	크레이피쉬 글쓰는 기계 (IOI12_scrivener)	C++20	34 / 100	155 ms	327680 KiB

scrivener

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

void Init() {
  cin.tie(0);
}

void TypeLetter(char L) {
  if (curr.empty()){
    string s = "";
    s += L;
    curr.push_back(s);
  }
  else {
    curr.push_back(curr.back());
    curr.back() += L;
  }
}

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

char GetLetter(int P) {
  return curr.back()[P];

}

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