Submission #1232971

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232971		inesfi	Crayfish scrivener (IOI12_scrivener)	C++20	34 / 100	11 ms	25416 KiB

scrivener

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

const int TAILLEMAXI=5002;
vector<char> versions[TAILLEMAXI];
int tour;

void Init() {
    versions[0]={};
    tour=1;
}

void TypeLetter(char L) {
    versions[tour]=versions[tour-1];
    versions[tour].push_back(L);
    tour++;
}

void UndoCommands(int U) {
    versions[tour]=versions[tour-U-1];
    tour++;
}

char GetLetter(int P) {
    return versions[tour-1][P];
}

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