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답안 #440648

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
440648 2021-07-02T15:40:44 Z Elegia 밀림 점프 (APIO21_jumps) C++17
48 / 100
 1143 ms 46428 KB 
#include "jumps.h"

const int MAX_N = 200010, L = 18;

int N;
int h[MAX_N], left[MAX_N][L], right[MAX_N][L], gr[MAX_N][L];

void init(int _N, std::vector<int> _H) {
	N = _N;
	std::copy(_H.begin(), _H.end(), h + 1);
	static int stack[MAX_N], ord[MAX_N];
	int cnt = 0;
	for (int i = 1; i <= N; ++i) {
		while (cnt && h[i] > h[stack[cnt]])
			right[stack[cnt--]][0] = i;
		left[i][0] = stack[cnt];
		stack[++cnt] = i;
	}
	for (int i = 1; i <= N; ++i) for (int j = 1; j != L; ++j)
		left[i][j] = left[left[i][j - 1]][j - 1];
	std::fill(right[N + 1], right[N + 1] + L, N + 1);
	for (int i = N; i; --i) {
		if (!right[i][0]) right[i][0] = N + 1;
		for (int j = 1; j != L; ++j)
			right[i][j] = right[right[i][j - 1]][j - 1];
	}
	for (int i = 1; i <= N; ++i) ord[h[i]] = i;
	std::fill(gr[N + 1], gr[N + 1] + L, N + 1);
	for (int i = N; i; --i) {
		int j = ord[i];
		gr[j][0] = (h[left[j][0]] > h[right[j][0]] ? left : right)[j][0];
		for (int k = 1; k != L; ++k) gr[j][k] = gr[gr[j][k - 1]][k - 1];
	}
}

int minimum_jumps(int A, int B, int C, int D) {
	++A; ++B; ++C; ++D;
	for (int i = L - 1; i >= 0; --i) if (left[D][i] >= C)
		D = left[D][i];
	for (int i = L - 1; i >= 0; --i) if (left[B][i] >= A && h[left[B][i]] < h[D])
		B = left[B][i];
	int ret = 1, thres = 0;
	{
		int X = B + 1, Y = C;
		for (int i = L - 1; i >= 0; --i) if (left[Y][i] >= X)
			Y = left[Y][i];
		thres = h[Y];
	}
	for (int i = L - 1; i >= 0; --i) if (gr[B][i] < C && h[gr[B][i]] <= thres) {
		ret += 1 << i;
		B = gr[B][i];
	}
	for (int i = L - 1; i >= 0; --i) if (right[B][i] < C) {
		ret += 1 << i;
		B = right[B][i];
	}
	if (h[B] > h[D]) return -1;
	return ret;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 189 ms 36372 KB Output is correct
4 Correct 916 ms 45632 KB Output is correct
5 Correct 961 ms 23084 KB Output is correct
6 Correct 942 ms 45632 KB Output is correct
7 Correct 889 ms 31296 KB Output is correct
8 Correct 985 ms 45592 KB Output is correct

Subtask #2
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 2 ms 200 KB Output is correct
6 Incorrect 2 ms 328 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 2 ms 200 KB Output is correct
6 Incorrect 2 ms 328 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 118 ms 36816 KB Output is correct
6 Correct 149 ms 45584 KB Output is correct
7 Correct 67 ms 23488 KB Output is correct
8 Correct 131 ms 45704 KB Output is correct
9 Correct 16 ms 7112 KB Output is correct
10 Correct 129 ms 45588 KB Output is correct
11 Correct 87 ms 45764 KB Output is correct
12 Correct 83 ms 45632 KB Output is correct
13 Incorrect 89 ms 45716 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 282 ms 21000 KB Output is correct
5 Correct 1016 ms 45776 KB Output is correct
6 Correct 566 ms 7752 KB Output is correct
7 Correct 1050 ms 45632 KB Output is correct
8 Correct 467 ms 15888 KB Output is correct
9 Correct 1085 ms 45684 KB Output is correct
10 Correct 906 ms 45592 KB Output is correct
11 Correct 821 ms 45632 KB Output is correct
12 Correct 967 ms 45632 KB Output is correct
13 Correct 1064 ms 45732 KB Output is correct
14 Correct 1042 ms 45972 KB Output is correct
15 Correct 994 ms 46360 KB Output is correct
16 Correct 1025 ms 46344 KB Output is correct
17 Correct 0 ms 200 KB Output is correct
18 Correct 0 ms 200 KB Output is correct
19 Correct 2 ms 200 KB Output is correct
20 Correct 2 ms 328 KB Output is correct
21 Correct 2 ms 328 KB Output is correct
22 Correct 2 ms 328 KB Output is correct
23 Correct 2 ms 328 KB Output is correct
24 Correct 2 ms 328 KB Output is correct
25 Correct 0 ms 328 KB Output is correct
26 Correct 1 ms 456 KB Output is correct
27 Correct 18 ms 712 KB Output is correct
28 Correct 14 ms 712 KB Output is correct
29 Correct 23 ms 712 KB Output is correct
30 Correct 16 ms 712 KB Output is correct
31 Correct 18 ms 712 KB Output is correct
32 Correct 0 ms 200 KB Output is correct
33 Correct 69 ms 26560 KB Output is correct
34 Correct 129 ms 45608 KB Output is correct
35 Correct 88 ms 45720 KB Output is correct
36 Correct 116 ms 45584 KB Output is correct
37 Correct 103 ms 45972 KB Output is correct
38 Correct 86 ms 46400 KB Output is correct

Subtask #6
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 282 ms 21000 KB Output is correct
5 Correct 1016 ms 45776 KB Output is correct
6 Correct 566 ms 7752 KB Output is correct
7 Correct 1050 ms 45632 KB Output is correct
8 Correct 467 ms 15888 KB Output is correct
9 Correct 1085 ms 45684 KB Output is correct
10 Correct 906 ms 45592 KB Output is correct
11 Correct 821 ms 45632 KB Output is correct
12 Correct 967 ms 45632 KB Output is correct
13 Correct 1064 ms 45732 KB Output is correct
14 Correct 1042 ms 45972 KB Output is correct
15 Correct 994 ms 46360 KB Output is correct
16 Correct 1025 ms 46344 KB Output is correct
17 Correct 0 ms 200 KB Output is correct
18 Correct 0 ms 200 KB Output is correct
19 Correct 2 ms 200 KB Output is correct
20 Correct 2 ms 328 KB Output is correct
21 Correct 2 ms 328 KB Output is correct
22 Correct 2 ms 328 KB Output is correct
23 Correct 2 ms 328 KB Output is correct
24 Correct 2 ms 328 KB Output is correct
25 Correct 0 ms 328 KB Output is correct
26 Correct 1 ms 456 KB Output is correct
27 Correct 18 ms 712 KB Output is correct
28 Correct 14 ms 712 KB Output is correct
29 Correct 23 ms 712 KB Output is correct
30 Correct 16 ms 712 KB Output is correct
31 Correct 18 ms 712 KB Output is correct
32 Correct 0 ms 200 KB Output is correct
33 Correct 69 ms 26560 KB Output is correct
34 Correct 129 ms 45608 KB Output is correct
35 Correct 88 ms 45720 KB Output is correct
36 Correct 116 ms 45584 KB Output is correct
37 Correct 103 ms 45972 KB Output is correct
38 Correct 86 ms 46400 KB Output is correct
39 Correct 0 ms 200 KB Output is correct
40 Correct 0 ms 200 KB Output is correct
41 Correct 0 ms 200 KB Output is correct
42 Correct 269 ms 21056 KB Output is correct
43 Correct 946 ms 45588 KB Output is correct
44 Correct 620 ms 7752 KB Output is correct
45 Correct 1101 ms 45688 KB Output is correct
46 Correct 564 ms 15936 KB Output is correct
47 Correct 978 ms 45732 KB Output is correct
48 Correct 1143 ms 45624 KB Output is correct
49 Correct 1010 ms 45648 KB Output is correct
50 Correct 1103 ms 45632 KB Output is correct
51 Correct 1058 ms 45608 KB Output is correct
52 Correct 1111 ms 45972 KB Output is correct
53 Correct 999 ms 46376 KB Output is correct
54 Correct 1000 ms 46428 KB Output is correct
55 Correct 0 ms 200 KB Output is correct
56 Correct 187 ms 45496 KB Output is correct
57 Correct 1014 ms 45660 KB Output is correct
58 Correct 513 ms 8244 KB Output is correct
59 Correct 906 ms 45720 KB Output is correct
60 Correct 396 ms 16328 KB Output is correct
61 Correct 978 ms 45632 KB Output is correct
62 Correct 1123 ms 45760 KB Output is correct
63 Correct 1102 ms 45588 KB Output is correct
64 Correct 904 ms 45632 KB Output is correct
65 Correct 1060 ms 45632 KB Output is correct
66 Correct 908 ms 46016 KB Output is correct
67 Correct 835 ms 46372 KB Output is correct
68 Correct 1010 ms 46400 KB Output is correct
69 Correct 0 ms 200 KB Output is correct
70 Correct 1 ms 200 KB Output is correct
71 Correct 3 ms 328 KB Output is correct
72 Correct 2 ms 328 KB Output is correct
73 Correct 3 ms 328 KB Output is correct
74 Correct 2 ms 328 KB Output is correct
75 Correct 2 ms 328 KB Output is correct
76 Correct 0 ms 200 KB Output is correct
77 Correct 0 ms 200 KB Output is correct
78 Correct 2 ms 200 KB Output is correct
79 Correct 3 ms 328 KB Output is correct
80 Correct 2 ms 328 KB Output is correct
81 Correct 2 ms 328 KB Output is correct
82 Correct 2 ms 328 KB Output is correct
83 Correct 2 ms 328 KB Output is correct
84 Correct 0 ms 328 KB Output is correct
85 Correct 4 ms 328 KB Output is correct
86 Correct 16 ms 712 KB Output is correct
87 Correct 19 ms 712 KB Output is correct
88 Correct 17 ms 712 KB Output is correct
89 Correct 20 ms 712 KB Output is correct
90 Correct 19 ms 712 KB Output is correct
91 Correct 0 ms 328 KB Output is correct
92 Correct 1 ms 456 KB Output is correct
93 Correct 20 ms 712 KB Output is correct
94 Correct 16 ms 712 KB Output is correct
95 Correct 19 ms 712 KB Output is correct
96 Correct 19 ms 712 KB Output is correct
97 Correct 18 ms 712 KB Output is correct
98 Correct 0 ms 200 KB Output is correct
99 Correct 148 ms 45612 KB Output is correct
100 Correct 129 ms 45632 KB Output is correct
101 Correct 86 ms 45588 KB Output is correct
102 Correct 115 ms 45588 KB Output is correct
103 Correct 100 ms 45976 KB Output is correct
104 Correct 89 ms 46400 KB Output is correct
105 Correct 0 ms 200 KB Output is correct
106 Correct 70 ms 26476 KB Output is correct
107 Correct 132 ms 45684 KB Output is correct
108 Correct 85 ms 45604 KB Output is correct
109 Correct 114 ms 45888 KB Output is correct
110 Correct 104 ms 46016 KB Output is correct
111 Correct 89 ms 46352 KB Output is correct

Subtask #7
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 189 ms 36372 KB Output is correct
4 Correct 916 ms 45632 KB Output is correct
5 Correct 961 ms 23084 KB Output is correct
6 Correct 942 ms 45632 KB Output is correct
7 Correct 889 ms 31296 KB Output is correct
8 Correct 985 ms 45592 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 0 ms 200 KB Output is correct
11 Correct 0 ms 200 KB Output is correct
12 Correct 0 ms 200 KB Output is correct
13 Correct 2 ms 200 KB Output is correct
14 Incorrect 2 ms 328 KB Output isn't correct
15 Halted 0 ms 0 KB -