Submission #1191602

#	Time	Username	Problem	Language	Result	Execution time	Memory
1191602		LolkasMeep	Crayfish scrivener (IOI12_scrivener)	C++20	100 / 100	365 ms	223556 KiB

scrivener

#include "bits/stdc++.h"
#include <ext/rope>
using namespace std;
__gnu_cxx::crope h[1000005];
int i=1;
void Init(){h[0]="";}
void TypeLetter(char L){
    h[i]=h[i-1]+L;
    i++;
}
void UndoCommands(int U){
    h[i] = h[i-U-1];
    i++;
}
char GetLetter(int P){
    return h[i-1][P];
}

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