Submission #555620

#	Time	Username	Problem	Language	Result	Execution time	Memory
555620		Pau	Crayfish scrivener (IOI12_scrivener)	C++11	100 / 100	496 ms	227916 KiB

scrivener

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

rope<char> str[1000005];
int cur;

void Init() {
	
}

void TypeLetter(char L) {
	cur++;
	str[cur] = str[cur-1];
	str[cur] += L;
}

void UndoCommands(int U) {
	cur++;
	str[cur] = str[cur-U-1];
}

char GetLetter(int P) {
	return str[cur][P];
}

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