Submission #251637

#	Time	Username	Problem	Language	Result	Execution time	Memory
251637		tinjyu	Crayfish scrivener (IOI12_scrivener)	C++14	34 / 100	159 ms	262148 KiB

scrivener

#include <iostream>
using namespace std;
char last;

void Init() {}
string s[100005];
long long int p;
void TypeLetter(char L) {
	p++;
	s[p]=s[p-1]+L;
	//cout<<s[p]<<endl;
}

void UndoCommands(int U) {
	p++;
	s[p]=s[p-U-1];
	//cout<<s[p]<<endl;
}

char GetLetter(int P) {
	return s[p][P];
}

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