#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;
}
# |
결과 |
실행 시간 |
메모리 |
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 |
# |
결과 |
실행 시간 |
메모리 |
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 |
- |
# |
결과 |
실행 시간 |
메모리 |
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 |
- |
# |
결과 |
실행 시간 |
메모리 |
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 |
- |
# |
결과 |
실행 시간 |
메모리 |
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 |
# |
결과 |
실행 시간 |
메모리 |
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 |
# |
결과 |
실행 시간 |
메모리 |
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 |
- |