oj.uz

Submission #464005

# Submission time Handle Problem Language Result Execution time Memory
464005 2021-08-12T07:13:40 Z prvocislo Rainforest Jumps (APIO21_jumps) C++17
48 / 100
 1707 ms 47680 KB 
#include "jumps.h"
#include <vector>
using namespace std;

const int logn = 19, maxn = 2e5 + 5;
//const int logn = 19, maxn = 10;
int jumpl[logn][maxn], jumpr[logn][maxn], high[logn][maxn];
int n, top = 0, h[maxn], stk[maxn];
void init(int N, vector<int> H) 
{
	n = N;
	for (int i = 1; i <= n; i++) h[i] = H[i - 1];
	for (int i = 1; i <= n; i++)
	{
		while (top && h[stk[top - 1]] < h[i]) jumpr[0][stk[top - 1]] = i, top--;
		if (top) jumpl[0][i] = stk[top - 1];
		stk[top++] = i;
	}
	for (int i = 1; i <= n; i++)
	{
		int l = jumpl[0][i], r = jumpr[0][i];
		if (!r || (l && r && h[l] > h[r])) high[0][i] = l;
		else high[0][i] = r;
	}
	for (int l = 1; l < logn; l++) for (int i = 1; i <= n; i++)
	{
		jumpl[l][i] = jumpl[l - 1][jumpl[l - 1][i]];
		jumpr[l][i] = jumpr[l - 1][jumpr[l - 1][i]];
		high[l][i] = high[l - 1][high[l - 1][i]];
	}
}
int minimum_jumps(int a, int b, int c, int d) 
{
	a++, b++, c++, d++;
	for (int l = logn - 1; l >= 0; l--)
		if (jumpl[l][d] >= c) 
			d = jumpl[l][d];
	for (int l = logn - 1; l >= 0; l--) 
		if (jumpl[l][b] >= a && h[jumpl[l][b]] <= h[d]) 
			b = jumpl[l][b];
	int mx = b; // kym sme nizsie ako mx = maximum ktore budeme musiet prejst, mozeme si chodit ako chceme.
	for (int l = logn - 1; l >= 0; l--)
		if (jumpr[l][mx] && jumpr[l][mx] < c)
			mx = jumpr[l][mx];
	int i = b, ans = 0;
	for (int l = logn - 1; l >= 0; l--) 
		if (high[l][i] && h[high[l][i]] <= h[mx]) 
			i = high[l][i], ans += (1 << l);
	// i zatial nemoze byt v intervale kde je odpoved, lebo potrebujeme prejst maximum.
	if (high[0][i] && h[high[0][i]] <= h[d]) 
		i = high[0][i], ans++;
	if (c <= i && i <= d) return ans;
	for (int l = logn - 1; l >= 0; l--) 
		if (jumpr[l][i] && jumpr[l][i] < c) 
			i = jumpr[l][i], ans += (1 << l);
	i = jumpr[0][i], ans++;
	if (c <= i && i <= d) return ans;
	return -1;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 584 KB Output is correct
2 Correct 1 ms 584 KB Output is correct
3 Correct 206 ms 37312 KB Output is correct
4 Correct 1454 ms 46400 KB Output is correct
5 Correct 1195 ms 23696 KB Output is correct
6 Correct 1478 ms 46356 KB Output is correct
7 Correct 1150 ms 32064 KB Output is correct
8 Correct 1374 ms 46352 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 1 ms 584 KB Output is correct
5 Correct 2 ms 584 KB Output is correct
6 Incorrect 3 ms 584 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 1 ms 584 KB Output is correct
5 Correct 2 ms 584 KB Output is correct
6 Incorrect 3 ms 584 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 584 KB Output is correct
2 Correct 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 0 ms 584 KB Output is correct
5 Correct 56 ms 38272 KB Output is correct
6 Correct 69 ms 47248 KB Output is correct
7 Correct 28 ms 24464 KB Output is correct
8 Correct 57 ms 47240 KB Output is correct
9 Correct 11 ms 7580 KB Output is correct
10 Correct 58 ms 47244 KB Output is correct
11 Correct 52 ms 46372 KB Output is correct
12 Correct 51 ms 46884 KB Output is correct
13 Correct 53 ms 46624 KB Output is correct
14 Correct 57 ms 47140 KB Output is correct
15 Incorrect 56 ms 47680 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 584 KB Output is correct
2 Correct 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 225 ms 22024 KB Output is correct
5 Correct 1549 ms 47168 KB Output is correct
6 Correct 853 ms 8264 KB Output is correct
7 Correct 1267 ms 47132 KB Output is correct
8 Correct 838 ms 16612 KB Output is correct
9 Correct 1057 ms 47136 KB Output is correct
10 Correct 1522 ms 46356 KB Output is correct
11 Correct 1459 ms 46992 KB Output is correct
12 Correct 1427 ms 46528 KB Output is correct
13 Correct 1465 ms 47168 KB Output is correct
14 Correct 1295 ms 47552 KB Output is correct
15 Correct 1216 ms 47296 KB Output is correct
16 Correct 1208 ms 47272 KB Output is correct
17 Correct 0 ms 584 KB Output is correct
18 Correct 0 ms 584 KB Output is correct
19 Correct 2 ms 584 KB Output is correct
20 Correct 2 ms 584 KB Output is correct
21 Correct 2 ms 584 KB Output is correct
22 Correct 3 ms 584 KB Output is correct
23 Correct 3 ms 584 KB Output is correct
24 Correct 2 ms 584 KB Output is correct
25 Correct 0 ms 584 KB Output is correct
26 Correct 1 ms 712 KB Output is correct
27 Correct 28 ms 968 KB Output is correct
28 Correct 25 ms 968 KB Output is correct
29 Correct 28 ms 968 KB Output is correct
30 Correct 23 ms 968 KB Output is correct
31 Correct 24 ms 968 KB Output is correct
32 Correct 0 ms 584 KB Output is correct
33 Correct 34 ms 27712 KB Output is correct
34 Correct 55 ms 47140 KB Output is correct
35 Correct 66 ms 46556 KB Output is correct
36 Correct 57 ms 47236 KB Output is correct
37 Correct 53 ms 47620 KB Output is correct
38 Correct 65 ms 47512 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 584 KB Output is correct
2 Correct 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 225 ms 22024 KB Output is correct
5 Correct 1549 ms 47168 KB Output is correct
6 Correct 853 ms 8264 KB Output is correct
7 Correct 1267 ms 47132 KB Output is correct
8 Correct 838 ms 16612 KB Output is correct
9 Correct 1057 ms 47136 KB Output is correct
10 Correct 1522 ms 46356 KB Output is correct
11 Correct 1459 ms 46992 KB Output is correct
12 Correct 1427 ms 46528 KB Output is correct
13 Correct 1465 ms 47168 KB Output is correct
14 Correct 1295 ms 47552 KB Output is correct
15 Correct 1216 ms 47296 KB Output is correct
16 Correct 1208 ms 47272 KB Output is correct
17 Correct 0 ms 584 KB Output is correct
18 Correct 0 ms 584 KB Output is correct
19 Correct 2 ms 584 KB Output is correct
20 Correct 2 ms 584 KB Output is correct
21 Correct 2 ms 584 KB Output is correct
22 Correct 3 ms 584 KB Output is correct
23 Correct 3 ms 584 KB Output is correct
24 Correct 2 ms 584 KB Output is correct
25 Correct 0 ms 584 KB Output is correct
26 Correct 1 ms 712 KB Output is correct
27 Correct 28 ms 968 KB Output is correct
28 Correct 25 ms 968 KB Output is correct
29 Correct 28 ms 968 KB Output is correct
30 Correct 23 ms 968 KB Output is correct
31 Correct 24 ms 968 KB Output is correct
32 Correct 0 ms 584 KB Output is correct
33 Correct 34 ms 27712 KB Output is correct
34 Correct 55 ms 47140 KB Output is correct
35 Correct 66 ms 46556 KB Output is correct
36 Correct 57 ms 47236 KB Output is correct
37 Correct 53 ms 47620 KB Output is correct
38 Correct 65 ms 47512 KB Output is correct
39 Correct 1 ms 584 KB Output is correct
40 Correct 0 ms 584 KB Output is correct
41 Correct 0 ms 584 KB Output is correct
42 Correct 320 ms 22008 KB Output is correct
43 Correct 1385 ms 47144 KB Output is correct
44 Correct 763 ms 8264 KB Output is correct
45 Correct 1323 ms 47140 KB Output is correct
46 Correct 638 ms 16704 KB Output is correct
47 Correct 1301 ms 47172 KB Output is correct
48 Correct 1654 ms 46400 KB Output is correct
49 Correct 1524 ms 47040 KB Output is correct
50 Correct 1707 ms 46532 KB Output is correct
51 Correct 1316 ms 47132 KB Output is correct
52 Correct 1506 ms 47552 KB Output is correct
53 Correct 960 ms 47244 KB Output is correct
54 Correct 942 ms 47264 KB Output is correct
55 Correct 1 ms 584 KB Output is correct
56 Correct 133 ms 47124 KB Output is correct
57 Correct 1425 ms 47140 KB Output is correct
58 Correct 774 ms 8776 KB Output is correct
59 Correct 1454 ms 47168 KB Output is correct
60 Correct 711 ms 17168 KB Output is correct
61 Correct 1473 ms 47168 KB Output is correct
62 Correct 1532 ms 46340 KB Output is correct
63 Correct 1657 ms 46992 KB Output is correct
64 Correct 1502 ms 46864 KB Output is correct
65 Correct 1442 ms 47144 KB Output is correct
66 Correct 1517 ms 47520 KB Output is correct
67 Correct 1371 ms 47628 KB Output is correct
68 Correct 1138 ms 47168 KB Output is correct
69 Correct 1 ms 584 KB Output is correct
70 Correct 1 ms 584 KB Output is correct
71 Correct 3 ms 584 KB Output is correct
72 Correct 3 ms 584 KB Output is correct
73 Correct 2 ms 584 KB Output is correct
74 Correct 3 ms 584 KB Output is correct
75 Correct 3 ms 584 KB Output is correct
76 Correct 1 ms 584 KB Output is correct
77 Correct 1 ms 584 KB Output is correct
78 Correct 2 ms 584 KB Output is correct
79 Correct 3 ms 584 KB Output is correct
80 Correct 3 ms 584 KB Output is correct
81 Correct 2 ms 584 KB Output is correct
82 Correct 3 ms 584 KB Output is correct
83 Correct 3 ms 584 KB Output is correct
84 Correct 1 ms 584 KB Output is correct
85 Correct 4 ms 584 KB Output is correct
86 Correct 23 ms 968 KB Output is correct
87 Correct 27 ms 968 KB Output is correct
88 Correct 28 ms 968 KB Output is correct
89 Correct 26 ms 968 KB Output is correct
90 Correct 25 ms 968 KB Output is correct
91 Correct 1 ms 584 KB Output is correct
92 Correct 1 ms 712 KB Output is correct
93 Correct 26 ms 968 KB Output is correct
94 Correct 19 ms 968 KB Output is correct
95 Correct 23 ms 968 KB Output is correct
96 Correct 24 ms 968 KB Output is correct
97 Correct 24 ms 968 KB Output is correct
98 Correct 1 ms 584 KB Output is correct
99 Correct 58 ms 47244 KB Output is correct
100 Correct 56 ms 47120 KB Output is correct
101 Correct 66 ms 46616 KB Output is correct
102 Correct 58 ms 47240 KB Output is correct
103 Correct 63 ms 47524 KB Output is correct
104 Correct 53 ms 47504 KB Output is correct
105 Correct 0 ms 584 KB Output is correct
106 Correct 32 ms 27668 KB Output is correct
107 Correct 56 ms 47172 KB Output is correct
108 Correct 58 ms 46500 KB Output is correct
109 Correct 58 ms 47272 KB Output is correct
110 Correct 55 ms 47604 KB Output is correct
111 Correct 52 ms 47380 KB Output is correct

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 584 KB Output is correct
2 Correct 1 ms 584 KB Output is correct
3 Correct 206 ms 37312 KB Output is correct
4 Correct 1454 ms 46400 KB Output is correct
5 Correct 1195 ms 23696 KB Output is correct
6 Correct 1478 ms 46356 KB Output is correct
7 Correct 1150 ms 32064 KB Output is correct
8 Correct 1374 ms 46352 KB Output is correct
9 Correct 1 ms 584 KB Output is correct
10 Correct 0 ms 584 KB Output is correct
11 Correct 0 ms 584 KB Output is correct
12 Correct 1 ms 584 KB Output is correct
13 Correct 2 ms 584 KB Output is correct
14 Incorrect 3 ms 584 KB Output isn't correct
15 Halted 0 ms 0 KB -