Submission #911587

#	Time	Username	Problem	Language	Result	Execution time	Memory
911587		Muhammad_Aneeq	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	125 ms	262144 KiB

scrivener

#include <string>
using namespace std;
int const N=1e6+10;
struct node
{
	string s="";
};
node* com[N]={};
int num=0;
void Init()
{
	for (int i=0;i<N;i++)
		com[i]=new node();
}
void TypeLetter(char L)
{
	num++;
	com[num]->s=com[num-1]->s+L;	
}
void UndoCommands(int U)
{
	com[num+1]->s=com[num-U]->s;
	num++;
}
char GetLetter(int P)
{
	return com[num]->s[P];
}

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