Submission #456166

#	Time	Username	Problem	Language	Result	Execution time	Memory
456166		BT21tata	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	130 ms	262148 KiB

scrivener

#include<bits/stdc++.h>
using namespace std; 

string s[1000005];
int pos=0;

void Init() {}

void TypeLetter(char L)
{
    s[pos+1]=s[pos]+L;
    pos++;
}

void UndoCommands(int U)
{
    s[pos+1]=s[pos-U];
    pos++;
}

char GetLetter(int P)
{
    return s[pos][P];
}
/*
14
T a
T b
P 1
T d
U 2
U 1
P 2
T e
U 1
U 5
T c
P 2
U 2
P 2
*/

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