#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "jumps.h"
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 2e5 + 10;
int n, h[N];
int high[N][20];
int L[N][20], R[N][20];
void init(int N, std::vector<int> H) {
n = N;
h[0] = h[n + 1] = 1e9;
for (int i = 1; i <= n; ++i) h[i] = H[i - 1];
stack <int> stk;
for (int i = 1; i <= n; ++i) {
while (stk.size() && h[stk.top()] < h[i]) {
R[stk.top()][0] = i;
stk.pop();
}
stk.push(i);
}
while (stk.size()) R[stk.top()][0] = n + 1, stk.pop();
for (int i = n; i >= 1; --i) {
while (stk.size() && h[stk.top()] < h[i]) {
L[stk.top()][0] = i;
stk.pop();
}
stk.push(i);
}
while (stk.size()) L[stk.top()][0] = 0, stk.pop();
for (int i = 1; i <= n; ++i) {
high[i][0] = (h[L[i][0]] > h[R[i][0]] ? L[i][0] : R[i][0]);
}
for (int lg = 1; (1 << lg) <= n; ++lg) {
for (int i = 1; i + (1 << lg) - 1 <= n; ++i) {
high[i][lg] = high[high[i][lg - 1]][lg - 1];
L[i][lg] = L[L[i][lg - 1]][lg - 1];
R[i][lg] = R[R[i][lg - 1]][lg - 1];
}
}
}
int minimum_jumps(int A, int B, int C, int D) {
++A, ++B, ++C, ++D;
int cost = 0;
for (int lg = 19; lg >= 0; --lg)
if (L[B][lg] >= A && R[L[B][lg]][0] <= D) B = L[B][lg];
for (int lg = 19; lg >= 0; --lg)
if (high[B][lg] && high[B][lg] <= n && R[high[B][lg]][0] < C) B = high[B][lg], cost += (1 << lg);
if (high[B][0] && high[B][0] <= n && R[high[B][0]][0] <= D) {
B = high[B][0];
++cost;
}
assert(B);
for (int lg = 19; lg >= 0; --lg)
if (B < C && R[B][lg] && R[B][lg] <= D) {
B = R[B][lg];
cost += (1 << lg);
}
if (B > D || B < C) return -1;
return cost;
}
//
//int main() {
// int N, Q;
// assert(2 == scanf("%d %d", &N, &Q));
// std::vector<int> H(N);
// for (int i = 0; i < N; ++i) {
// assert(1 == scanf("%d", &H[i]));
// }
// init(N, H);
//
// for (int i = 0; i < Q; ++i) {
// int A, B, C, D;
// assert(4 == scanf("%d %d %d %d", &A, &B, &C, &D));
// printf("%d\n", minimum_jumps(A, B, C, D));
// }
// return 0;
//}
//
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Incorrect |
134 ms |
40244 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Incorrect |
3 ms |
208 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Incorrect |
3 ms |
208 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
95 ms |
40000 KB |
Output is correct |
6 |
Correct |
104 ms |
49608 KB |
Output is correct |
7 |
Correct |
58 ms |
25468 KB |
Output is correct |
8 |
Correct |
126 ms |
49616 KB |
Output is correct |
9 |
Correct |
14 ms |
7728 KB |
Output is correct |
10 |
Correct |
118 ms |
49568 KB |
Output is correct |
11 |
Incorrect |
117 ms |
50388 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
208 ms |
22928 KB |
Output is correct |
5 |
Correct |
920 ms |
49588 KB |
Output is correct |
6 |
Correct |
668 ms |
8432 KB |
Output is correct |
7 |
Correct |
881 ms |
49700 KB |
Output is correct |
8 |
Correct |
615 ms |
17216 KB |
Output is correct |
9 |
Correct |
903 ms |
49592 KB |
Output is correct |
10 |
Correct |
991 ms |
50436 KB |
Output is correct |
11 |
Correct |
1057 ms |
50256 KB |
Output is correct |
12 |
Correct |
909 ms |
50288 KB |
Output is correct |
13 |
Correct |
1051 ms |
49636 KB |
Output is correct |
14 |
Correct |
1191 ms |
50084 KB |
Output is correct |
15 |
Correct |
907 ms |
50372 KB |
Output is correct |
16 |
Correct |
1149 ms |
50352 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
208 KB |
Output is correct |
20 |
Correct |
4 ms |
336 KB |
Output is correct |
21 |
Correct |
2 ms |
336 KB |
Output is correct |
22 |
Correct |
4 ms |
336 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
3 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
464 KB |
Output is correct |
27 |
Correct |
14 ms |
768 KB |
Output is correct |
28 |
Correct |
16 ms |
720 KB |
Output is correct |
29 |
Correct |
13 ms |
768 KB |
Output is correct |
30 |
Correct |
12 ms |
720 KB |
Output is correct |
31 |
Correct |
10 ms |
720 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
73 ms |
28864 KB |
Output is correct |
34 |
Correct |
130 ms |
49572 KB |
Output is correct |
35 |
Correct |
120 ms |
50308 KB |
Output is correct |
36 |
Correct |
122 ms |
49592 KB |
Output is correct |
37 |
Correct |
133 ms |
50008 KB |
Output is correct |
38 |
Correct |
116 ms |
50436 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
208 ms |
22928 KB |
Output is correct |
5 |
Correct |
920 ms |
49588 KB |
Output is correct |
6 |
Correct |
668 ms |
8432 KB |
Output is correct |
7 |
Correct |
881 ms |
49700 KB |
Output is correct |
8 |
Correct |
615 ms |
17216 KB |
Output is correct |
9 |
Correct |
903 ms |
49592 KB |
Output is correct |
10 |
Correct |
991 ms |
50436 KB |
Output is correct |
11 |
Correct |
1057 ms |
50256 KB |
Output is correct |
12 |
Correct |
909 ms |
50288 KB |
Output is correct |
13 |
Correct |
1051 ms |
49636 KB |
Output is correct |
14 |
Correct |
1191 ms |
50084 KB |
Output is correct |
15 |
Correct |
907 ms |
50372 KB |
Output is correct |
16 |
Correct |
1149 ms |
50352 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
208 KB |
Output is correct |
20 |
Correct |
4 ms |
336 KB |
Output is correct |
21 |
Correct |
2 ms |
336 KB |
Output is correct |
22 |
Correct |
4 ms |
336 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
3 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
464 KB |
Output is correct |
27 |
Correct |
14 ms |
768 KB |
Output is correct |
28 |
Correct |
16 ms |
720 KB |
Output is correct |
29 |
Correct |
13 ms |
768 KB |
Output is correct |
30 |
Correct |
12 ms |
720 KB |
Output is correct |
31 |
Correct |
10 ms |
720 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
73 ms |
28864 KB |
Output is correct |
34 |
Correct |
130 ms |
49572 KB |
Output is correct |
35 |
Correct |
120 ms |
50308 KB |
Output is correct |
36 |
Correct |
122 ms |
49592 KB |
Output is correct |
37 |
Correct |
133 ms |
50008 KB |
Output is correct |
38 |
Correct |
116 ms |
50436 KB |
Output is correct |
39 |
Correct |
3 ms |
208 KB |
Output is correct |
40 |
Correct |
1 ms |
384 KB |
Output is correct |
41 |
Correct |
1 ms |
208 KB |
Output is correct |
42 |
Correct |
318 ms |
22856 KB |
Output is correct |
43 |
Correct |
989 ms |
49620 KB |
Output is correct |
44 |
Correct |
750 ms |
8400 KB |
Output is correct |
45 |
Correct |
1111 ms |
49628 KB |
Output is correct |
46 |
Correct |
667 ms |
17372 KB |
Output is correct |
47 |
Correct |
1330 ms |
49480 KB |
Output is correct |
48 |
Correct |
1027 ms |
50340 KB |
Output is correct |
49 |
Correct |
1273 ms |
50288 KB |
Output is correct |
50 |
Correct |
1038 ms |
50320 KB |
Output is correct |
51 |
Correct |
953 ms |
49616 KB |
Output is correct |
52 |
Correct |
1255 ms |
49920 KB |
Output is correct |
53 |
Correct |
923 ms |
50352 KB |
Output is correct |
54 |
Correct |
904 ms |
50440 KB |
Output is correct |
55 |
Correct |
1 ms |
208 KB |
Output is correct |
56 |
Correct |
170 ms |
49420 KB |
Output is correct |
57 |
Correct |
977 ms |
49616 KB |
Output is correct |
58 |
Correct |
603 ms |
8968 KB |
Output is correct |
59 |
Correct |
835 ms |
49572 KB |
Output is correct |
60 |
Correct |
537 ms |
17836 KB |
Output is correct |
61 |
Correct |
992 ms |
49672 KB |
Output is correct |
62 |
Correct |
1091 ms |
50436 KB |
Output is correct |
63 |
Correct |
1097 ms |
50228 KB |
Output is correct |
64 |
Correct |
867 ms |
50076 KB |
Output is correct |
65 |
Correct |
774 ms |
49724 KB |
Output is correct |
66 |
Correct |
1202 ms |
49972 KB |
Output is correct |
67 |
Correct |
1097 ms |
50432 KB |
Output is correct |
68 |
Correct |
1184 ms |
50436 KB |
Output is correct |
69 |
Correct |
1 ms |
208 KB |
Output is correct |
70 |
Correct |
1 ms |
336 KB |
Output is correct |
71 |
Correct |
3 ms |
336 KB |
Output is correct |
72 |
Correct |
4 ms |
336 KB |
Output is correct |
73 |
Correct |
2 ms |
336 KB |
Output is correct |
74 |
Correct |
3 ms |
336 KB |
Output is correct |
75 |
Correct |
2 ms |
336 KB |
Output is correct |
76 |
Correct |
1 ms |
208 KB |
Output is correct |
77 |
Correct |
1 ms |
208 KB |
Output is correct |
78 |
Correct |
2 ms |
208 KB |
Output is correct |
79 |
Correct |
3 ms |
336 KB |
Output is correct |
80 |
Correct |
3 ms |
336 KB |
Output is correct |
81 |
Correct |
2 ms |
336 KB |
Output is correct |
82 |
Correct |
2 ms |
336 KB |
Output is correct |
83 |
Correct |
2 ms |
336 KB |
Output is correct |
84 |
Correct |
0 ms |
336 KB |
Output is correct |
85 |
Correct |
6 ms |
336 KB |
Output is correct |
86 |
Correct |
25 ms |
720 KB |
Output is correct |
87 |
Correct |
27 ms |
720 KB |
Output is correct |
88 |
Correct |
14 ms |
720 KB |
Output is correct |
89 |
Correct |
25 ms |
720 KB |
Output is correct |
90 |
Correct |
24 ms |
720 KB |
Output is correct |
91 |
Correct |
1 ms |
384 KB |
Output is correct |
92 |
Correct |
1 ms |
464 KB |
Output is correct |
93 |
Correct |
24 ms |
720 KB |
Output is correct |
94 |
Correct |
19 ms |
720 KB |
Output is correct |
95 |
Correct |
26 ms |
720 KB |
Output is correct |
96 |
Correct |
16 ms |
720 KB |
Output is correct |
97 |
Correct |
26 ms |
720 KB |
Output is correct |
98 |
Correct |
0 ms |
208 KB |
Output is correct |
99 |
Correct |
124 ms |
49468 KB |
Output is correct |
100 |
Correct |
99 ms |
49608 KB |
Output is correct |
101 |
Correct |
96 ms |
50248 KB |
Output is correct |
102 |
Correct |
122 ms |
49612 KB |
Output is correct |
103 |
Correct |
138 ms |
49904 KB |
Output is correct |
104 |
Correct |
114 ms |
50372 KB |
Output is correct |
105 |
Correct |
0 ms |
256 KB |
Output is correct |
106 |
Correct |
55 ms |
28808 KB |
Output is correct |
107 |
Correct |
105 ms |
49700 KB |
Output is correct |
108 |
Correct |
110 ms |
50208 KB |
Output is correct |
109 |
Correct |
128 ms |
49612 KB |
Output is correct |
110 |
Correct |
129 ms |
49888 KB |
Output is correct |
111 |
Correct |
114 ms |
50344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Incorrect |
134 ms |
40244 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |