답안 #62570

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
62570	2018-07-29T06:21:59 Z	zetapi	크레이피쉬 글쓰는 기계 (IOI12_scrivener)	C++14	100 / 100	770 ms	92456 KB

scrivener

#include <bits/stdc++.h>
 
using namespace std;
 
const int N = 1000005;
 
int cur;
int cnt1, cnt2;
int h[N];
int par[20][N];
int arr[N];
char a[N];
 
void Init() {}
 
void TypeLetter(char L) {
	++cnt1;
	par[0][cnt1] = cur, h[cnt1] = h[cur] + 1;
	cur = cnt1, a[cur] = L;
	for (int i = 1; i < 20; ++i) {
		par[i][cur] = par[i - 1][par[i - 1][cur]];
	}
	arr[++cnt2] = cur;
}
 
void UndoCommands(int U) {
	cur = arr[cnt2 + 1] = arr[cnt2 - U];
	++cnt2;
}
 
char GetLetter(int P) {
	int pos = cur;
	int H = h[cur] - (P + 1);
	for (int i = 19; i >= 0; --i) {
		if (H >= (1 << i)) {
			H -= (1 << i), pos = par[i][pos];
		}
	}
	return a[pos];
}

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	3 ms	616 KB	Output is correct
3	Correct	3 ms	724 KB	Output is correct
4	Correct	3 ms	724 KB	Output is correct
5	Correct	3 ms	724 KB	Output is correct
6	Correct	3 ms	724 KB	Output is correct
7	Correct	3 ms	808 KB	Output is correct
8	Correct	4 ms	808 KB	Output is correct
9	Correct	3 ms	808 KB	Output is correct
10	Correct	4 ms	808 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	808 KB	Output is correct
2	Correct	3 ms	808 KB	Output is correct
3	Correct	3 ms	808 KB	Output is correct
4	Correct	3 ms	808 KB	Output is correct
5	Correct	4 ms	808 KB	Output is correct
6	Correct	3 ms	808 KB	Output is correct
7	Correct	4 ms	808 KB	Output is correct
8	Correct	4 ms	808 KB	Output is correct
9	Correct	4 ms	808 KB	Output is correct
10	Correct	3 ms	808 KB	Output is correct

Subtask #3

22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	876 KB	Output is correct
2	Correct	5 ms	880 KB	Output is correct
3	Correct	5 ms	880 KB	Output is correct
4	Correct	5 ms	1004 KB	Output is correct
5	Correct	5 ms	1004 KB	Output is correct
6	Correct	5 ms	1132 KB	Output is correct
7	Correct	5 ms	1132 KB	Output is correct
8	Correct	4 ms	1132 KB	Output is correct
9	Correct	4 ms	1132 KB	Output is correct
10	Correct	5 ms	1132 KB	Output is correct

Subtask #4

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	465 ms	52036 KB	Output is correct
2	Correct	513 ms	57324 KB	Output is correct
3	Correct	486 ms	57324 KB	Output is correct
4	Correct	412 ms	57324 KB	Output is correct
5	Correct	518 ms	57324 KB	Output is correct
6	Correct	377 ms	62164 KB	Output is correct
7	Correct	466 ms	62164 KB	Output is correct
8	Correct	396 ms	62164 KB	Output is correct
9	Correct	437 ms	63272 KB	Output is correct
10	Correct	258 ms	63272 KB	Output is correct

Subtask #5

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	614 ms	63272 KB	Output is correct
2	Correct	770 ms	63272 KB	Output is correct
3	Correct	522 ms	63272 KB	Output is correct
4	Correct	468 ms	63272 KB	Output is correct
5	Correct	336 ms	69220 KB	Output is correct
6	Correct	380 ms	70928 KB	Output is correct
7	Correct	338 ms	78460 KB	Output is correct
8	Correct	567 ms	78460 KB	Output is correct
9	Correct	586 ms	82864 KB	Output is correct
10	Correct	256 ms	92456 KB	Output is correct