Submission #1105903

#	Time	Username	Problem	Language	Result	Execution time	Memory
1105903		MateiKing80	Crayfish scrivener (IOI12_scrivener)	C++14	100 / 100	445 ms	228452 KiB

scrivener

#include <bits/stdc++.h>
#include <ext/rope>

using namespace std;

vector<__gnu_cxx::crope> v(1);
int nrtot = 0;

void Init(){}
void TypeLetter(char L)
{
    nrtot ++;
    v.push_back(v[nrtot - 1] + L);
}
void UndoCommands(int U)
{
    nrtot ++;
    v.push_back(v[nrtot - U - 1]);
}
char GetLetter(int P)
{
    return v[nrtot][P];
}

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