제출 #1192135

#제출 시각아이디문제언어결과실행 시간메모리
1192135TroySer크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++20
100 / 100
602 ms224000 KiB
#include <ext/rope>

using namespace __gnu_cxx;

crope states[(1 << 20)];
int currentIndex = 0;

void Init() {}

void TypeLetter(char L) {
	
	states[currentIndex + 1] = states[currentIndex] + L;
	currentIndex++;

}

void UndoCommands(int U) {

	states[currentIndex + 1] = states[currentIndex - U];
	currentIndex++;

}

char GetLetter(int P) {

  	return states[currentIndex][P];

}
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