Submission #425650

#	Time	Username	Problem	Language	Result	Execution time	Memory
425650		SOIVIEONE	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	125 ms	262148 KiB

scrivener

#include <iostream>
#include <vector>
#include <string>
#include <set>

using namespace std;

char last;
string cur;
vector<string> v;


void Init() {}

void TypeLetter(char L) {
    cur += L;
    v.push_back(cur);
  last = L;

}

void UndoCommands(int U) {
    cur = (v.size() - U - 1 >= 0 ? v[v.size() - U - 1] : "");
    v.push_back(cur);

}

char GetLetter(int P) {
  return cur[P];

}

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