Submission #1008950

#	Time	Username	Problem	Language	Result	Execution time	Memory
1008950		SulA	Crayfish scrivener (IOI12_scrivener)	C++17	5 / 100	117 ms	262144 KiB

scrivener

#include <vector>
#include <string>
using namespace std;

vector<string> previous{""};
string cur;

void Init() {

}

void TypeLetter(char L) {
    cur += L;
    previous.push_back(cur);
}

void UndoCommands(int U) {
    cur = previous[cur.size() - U];
}

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

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