Submission #456158

#	Time	Username	Problem	Language	Result	Execution time	Memory
456158		fuad27	Crayfish scrivener (IOI12_scrivener)	C++14	34 / 100	126 ms	262148 KiB

scrivener

#include <bits/stdc++.h>

using namespace std;
string S[int(1e6) + 10];
int N;
void Init() {}
void TypeLetter(char L) {
    N++;
    S[N] = S[N - 1];
    S[N].push_back(L);
}
void UndoCommands(int U) {
    N++;
    S[N] = S[N - U - 1];
}
char GetLetter(int P) {
    return S[N][P];
}

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