#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int N = 2e5 + 7;
const int LG = 19;
const int INF = 1e9;
int n, h[N];
int go_l[N], go_r[N], go_mx[N];
int bin_l[LG][N], bin_r[LG][N], bin_mx[LG][N];
int lg[N];
int sparse[LG][N];
int get_max(int l, int r) {
int t = lg[r - l];
return max(sparse[t][l], sparse[t][r - (1 << t)]);
}
void build() {
vector<int> st;
for (int i = 0; i < n; ++i) {
while (!st.empty() && h[st.back()] < h[i]) {
go_r[st.back()] = i;
st.pop_back();
}
st.push_back(i);
}
st.clear();
go_r[n - 1] = n - 1;
for (int i = n - 1; i >= 0; --i) {
while (!st.empty() && h[st.back()] < h[i]) {
go_l[st.back()] = i;
st.pop_back();
}
st.push_back(i);
}
st.clear();
go_l[0] = 0;
for (int i = 0; i < n; ++i) {
if (h[go_l[i]] > h[go_r[i]]) go_mx[i] = go_l[i]; else go_mx[i] = go_r[i];
}
for (int i = 0; i < n; ++i) {
bin_l[0][i] = go_l[i];
bin_r[0][i] = go_r[i];
bin_mx[0][i] = go_mx[i];
sparse[0][i] = h[i];
}
for (int t = 1; t < LG; ++t) {
for (int i = 0; i < n; ++i) {
bin_l[t][i] = bin_l[t - 1][bin_l[t - 1][i]];
bin_r[t][i] = bin_r[t - 1][bin_r[t - 1][i]];
bin_mx[t][i] = bin_mx[t - 1][bin_mx[t - 1][i]];
if (i + (1 << t) <= n) sparse[t][i] = max(sparse[t - 1][i], sparse[t - 1][i + (1 << (t - 1))]);
}
}
lg[0] = lg[1] = 0;
for (int i = 2; i <= n; ++i) lg[i] = lg[i >> 1] + 1;
}
void init(int n2, vector<int> h2) {
for (int i = 1; i <= n2; ++i) h[i] = h2[i - 1] - 1;
h[0] = n2;
h[n2 + 1] = n2 + 1;
n = n2 + 2;
build();
}
int get_dist(int v, int t) {
int d = 0;
for (int i = LG - 1; i >= 0; --i) {
if (h[bin_mx[i][v]] <= h[t]) {
d += (1 << i);
v = bin_mx[i][v];
}
}
for (int i = LG - 1; i >= 0; --i) {
if (h[bin_r[i][v]] <= h[t]) {
d += (1 << i);
v = bin_r[i][v];
}
}
return v == t ? d : INF;
}
int minimum_jumps(int A, int B, int C, int D) {
int a = A + 1, b = B + 2, c = C + 1, d = D + 2;
int res = INF;
for (int s = a; s < b; ++s) {
for (int t = c; t < d; ++t) res = min(res, get_dist(s, t));
}
return res == INF ? -1 : res;
}
#ifdef LOCAL
int main() {
freopen("input.txt", "r", stdin);
ios::sync_with_stdio(false);
cin.tie(0);
int n2, q2;
cin >> n2 >> q2;
vector<int> h2(n2);
for (auto &i : h2) cin >> i;
init(n2, h2);
while (q2--) {
int A, B, C, D;
cin >> A >> B >> C >> D;
cout << minimum_jumps(A, B, C, D) << endl;
}
return 0;
}
#endif
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
584 KB |
Output is correct |
2 |
Correct |
2 ms |
604 KB |
Output is correct |
3 |
Execution timed out |
4054 ms |
51460 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
584 KB |
Output is correct |
2 |
Correct |
1 ms |
584 KB |
Output is correct |
3 |
Correct |
1 ms |
584 KB |
Output is correct |
4 |
Correct |
2 ms |
584 KB |
Output is correct |
5 |
Correct |
3 ms |
584 KB |
Output is correct |
6 |
Correct |
22 ms |
712 KB |
Output is correct |
7 |
Correct |
14 ms |
712 KB |
Output is correct |
8 |
Correct |
17 ms |
712 KB |
Output is correct |
9 |
Correct |
4 ms |
712 KB |
Output is correct |
10 |
Correct |
21 ms |
712 KB |
Output is correct |
11 |
Correct |
23 ms |
712 KB |
Output is correct |
12 |
Correct |
18 ms |
692 KB |
Output is correct |
13 |
Correct |
17 ms |
712 KB |
Output is correct |
14 |
Correct |
22 ms |
712 KB |
Output is correct |
15 |
Correct |
23 ms |
712 KB |
Output is correct |
16 |
Correct |
14 ms |
712 KB |
Output is correct |
17 |
Correct |
5 ms |
712 KB |
Output is correct |
18 |
Correct |
1 ms |
584 KB |
Output is correct |
19 |
Correct |
2 ms |
584 KB |
Output is correct |
20 |
Correct |
7 ms |
712 KB |
Output is correct |
21 |
Correct |
4 ms |
712 KB |
Output is correct |
22 |
Correct |
4 ms |
712 KB |
Output is correct |
23 |
Correct |
7 ms |
712 KB |
Output is correct |
24 |
Correct |
4 ms |
712 KB |
Output is correct |
25 |
Correct |
1 ms |
584 KB |
Output is correct |
26 |
Correct |
1 ms |
584 KB |
Output is correct |
27 |
Correct |
2 ms |
584 KB |
Output is correct |
28 |
Correct |
5 ms |
712 KB |
Output is correct |
29 |
Correct |
5 ms |
712 KB |
Output is correct |
30 |
Correct |
5 ms |
712 KB |
Output is correct |
31 |
Correct |
3 ms |
712 KB |
Output is correct |
32 |
Correct |
3 ms |
712 KB |
Output is correct |
33 |
Correct |
1 ms |
584 KB |
Output is correct |
34 |
Correct |
2 ms |
712 KB |
Output is correct |
35 |
Correct |
2 ms |
712 KB |
Output is correct |
36 |
Correct |
1 ms |
712 KB |
Output is correct |
37 |
Correct |
2 ms |
712 KB |
Output is correct |
38 |
Correct |
2 ms |
712 KB |
Output is correct |
39 |
Correct |
2 ms |
712 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
584 KB |
Output is correct |
2 |
Correct |
1 ms |
584 KB |
Output is correct |
3 |
Correct |
1 ms |
584 KB |
Output is correct |
4 |
Correct |
2 ms |
584 KB |
Output is correct |
5 |
Correct |
3 ms |
584 KB |
Output is correct |
6 |
Correct |
22 ms |
712 KB |
Output is correct |
7 |
Correct |
14 ms |
712 KB |
Output is correct |
8 |
Correct |
17 ms |
712 KB |
Output is correct |
9 |
Correct |
4 ms |
712 KB |
Output is correct |
10 |
Correct |
21 ms |
712 KB |
Output is correct |
11 |
Correct |
23 ms |
712 KB |
Output is correct |
12 |
Correct |
18 ms |
692 KB |
Output is correct |
13 |
Correct |
17 ms |
712 KB |
Output is correct |
14 |
Correct |
22 ms |
712 KB |
Output is correct |
15 |
Correct |
23 ms |
712 KB |
Output is correct |
16 |
Correct |
14 ms |
712 KB |
Output is correct |
17 |
Correct |
5 ms |
712 KB |
Output is correct |
18 |
Correct |
1 ms |
584 KB |
Output is correct |
19 |
Correct |
2 ms |
584 KB |
Output is correct |
20 |
Correct |
7 ms |
712 KB |
Output is correct |
21 |
Correct |
4 ms |
712 KB |
Output is correct |
22 |
Correct |
4 ms |
712 KB |
Output is correct |
23 |
Correct |
7 ms |
712 KB |
Output is correct |
24 |
Correct |
4 ms |
712 KB |
Output is correct |
25 |
Correct |
1 ms |
584 KB |
Output is correct |
26 |
Correct |
1 ms |
584 KB |
Output is correct |
27 |
Correct |
2 ms |
584 KB |
Output is correct |
28 |
Correct |
5 ms |
712 KB |
Output is correct |
29 |
Correct |
5 ms |
712 KB |
Output is correct |
30 |
Correct |
5 ms |
712 KB |
Output is correct |
31 |
Correct |
3 ms |
712 KB |
Output is correct |
32 |
Correct |
3 ms |
712 KB |
Output is correct |
33 |
Correct |
1 ms |
584 KB |
Output is correct |
34 |
Correct |
2 ms |
712 KB |
Output is correct |
35 |
Correct |
2 ms |
712 KB |
Output is correct |
36 |
Correct |
1 ms |
712 KB |
Output is correct |
37 |
Correct |
2 ms |
712 KB |
Output is correct |
38 |
Correct |
2 ms |
712 KB |
Output is correct |
39 |
Correct |
2 ms |
712 KB |
Output is correct |
40 |
Correct |
1 ms |
584 KB |
Output is correct |
41 |
Correct |
1 ms |
584 KB |
Output is correct |
42 |
Correct |
1 ms |
584 KB |
Output is correct |
43 |
Correct |
1 ms |
584 KB |
Output is correct |
44 |
Correct |
3 ms |
584 KB |
Output is correct |
45 |
Correct |
16 ms |
712 KB |
Output is correct |
46 |
Correct |
10 ms |
712 KB |
Output is correct |
47 |
Correct |
16 ms |
712 KB |
Output is correct |
48 |
Correct |
6 ms |
712 KB |
Output is correct |
49 |
Correct |
21 ms |
712 KB |
Output is correct |
50 |
Correct |
21 ms |
712 KB |
Output is correct |
51 |
Correct |
19 ms |
712 KB |
Output is correct |
52 |
Correct |
18 ms |
712 KB |
Output is correct |
53 |
Correct |
18 ms |
712 KB |
Output is correct |
54 |
Correct |
20 ms |
712 KB |
Output is correct |
55 |
Correct |
17 ms |
712 KB |
Output is correct |
56 |
Correct |
8 ms |
712 KB |
Output is correct |
57 |
Correct |
1 ms |
712 KB |
Output is correct |
58 |
Execution timed out |
4083 ms |
1096 KB |
Time limit exceeded |
59 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
584 KB |
Output is correct |
2 |
Correct |
1 ms |
584 KB |
Output is correct |
3 |
Correct |
1 ms |
584 KB |
Output is correct |
4 |
Correct |
1 ms |
584 KB |
Output is correct |
5 |
Execution timed out |
4030 ms |
51136 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
584 KB |
Output is correct |
2 |
Correct |
1 ms |
584 KB |
Output is correct |
3 |
Correct |
1 ms |
584 KB |
Output is correct |
4 |
Correct |
362 ms |
29120 KB |
Output is correct |
5 |
Correct |
1195 ms |
63428 KB |
Output is correct |
6 |
Correct |
838 ms |
10696 KB |
Output is correct |
7 |
Correct |
1090 ms |
63388 KB |
Output is correct |
8 |
Correct |
771 ms |
21952 KB |
Output is correct |
9 |
Correct |
1254 ms |
63408 KB |
Output is correct |
10 |
Correct |
1324 ms |
64384 KB |
Output is correct |
11 |
Correct |
1401 ms |
64284 KB |
Output is correct |
12 |
Correct |
1454 ms |
64272 KB |
Output is correct |
13 |
Correct |
1135 ms |
63388 KB |
Output is correct |
14 |
Correct |
1210 ms |
63920 KB |
Output is correct |
15 |
Correct |
994 ms |
64400 KB |
Output is correct |
16 |
Correct |
962 ms |
64372 KB |
Output is correct |
17 |
Correct |
1 ms |
584 KB |
Output is correct |
18 |
Correct |
2 ms |
584 KB |
Output is correct |
19 |
Correct |
3 ms |
584 KB |
Output is correct |
20 |
Correct |
4 ms |
712 KB |
Output is correct |
21 |
Correct |
2 ms |
712 KB |
Output is correct |
22 |
Correct |
4 ms |
712 KB |
Output is correct |
23 |
Correct |
4 ms |
712 KB |
Output is correct |
24 |
Correct |
3 ms |
712 KB |
Output is correct |
25 |
Correct |
1 ms |
712 KB |
Output is correct |
26 |
Correct |
3 ms |
840 KB |
Output is correct |
27 |
Correct |
29 ms |
1224 KB |
Output is correct |
28 |
Correct |
27 ms |
1224 KB |
Output is correct |
29 |
Correct |
22 ms |
1224 KB |
Output is correct |
30 |
Correct |
20 ms |
1224 KB |
Output is correct |
31 |
Correct |
22 ms |
1224 KB |
Output is correct |
32 |
Correct |
1 ms |
584 KB |
Output is correct |
33 |
Correct |
44 ms |
36764 KB |
Output is correct |
34 |
Correct |
82 ms |
63500 KB |
Output is correct |
35 |
Correct |
72 ms |
64180 KB |
Output is correct |
36 |
Correct |
76 ms |
63512 KB |
Output is correct |
37 |
Correct |
79 ms |
63964 KB |
Output is correct |
38 |
Correct |
72 ms |
64372 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
584 KB |
Output is correct |
2 |
Correct |
1 ms |
584 KB |
Output is correct |
3 |
Correct |
1 ms |
584 KB |
Output is correct |
4 |
Correct |
362 ms |
29120 KB |
Output is correct |
5 |
Correct |
1195 ms |
63428 KB |
Output is correct |
6 |
Correct |
838 ms |
10696 KB |
Output is correct |
7 |
Correct |
1090 ms |
63388 KB |
Output is correct |
8 |
Correct |
771 ms |
21952 KB |
Output is correct |
9 |
Correct |
1254 ms |
63408 KB |
Output is correct |
10 |
Correct |
1324 ms |
64384 KB |
Output is correct |
11 |
Correct |
1401 ms |
64284 KB |
Output is correct |
12 |
Correct |
1454 ms |
64272 KB |
Output is correct |
13 |
Correct |
1135 ms |
63388 KB |
Output is correct |
14 |
Correct |
1210 ms |
63920 KB |
Output is correct |
15 |
Correct |
994 ms |
64400 KB |
Output is correct |
16 |
Correct |
962 ms |
64372 KB |
Output is correct |
17 |
Correct |
1 ms |
584 KB |
Output is correct |
18 |
Correct |
2 ms |
584 KB |
Output is correct |
19 |
Correct |
3 ms |
584 KB |
Output is correct |
20 |
Correct |
4 ms |
712 KB |
Output is correct |
21 |
Correct |
2 ms |
712 KB |
Output is correct |
22 |
Correct |
4 ms |
712 KB |
Output is correct |
23 |
Correct |
4 ms |
712 KB |
Output is correct |
24 |
Correct |
3 ms |
712 KB |
Output is correct |
25 |
Correct |
1 ms |
712 KB |
Output is correct |
26 |
Correct |
3 ms |
840 KB |
Output is correct |
27 |
Correct |
29 ms |
1224 KB |
Output is correct |
28 |
Correct |
27 ms |
1224 KB |
Output is correct |
29 |
Correct |
22 ms |
1224 KB |
Output is correct |
30 |
Correct |
20 ms |
1224 KB |
Output is correct |
31 |
Correct |
22 ms |
1224 KB |
Output is correct |
32 |
Correct |
1 ms |
584 KB |
Output is correct |
33 |
Correct |
44 ms |
36764 KB |
Output is correct |
34 |
Correct |
82 ms |
63500 KB |
Output is correct |
35 |
Correct |
72 ms |
64180 KB |
Output is correct |
36 |
Correct |
76 ms |
63512 KB |
Output is correct |
37 |
Correct |
79 ms |
63964 KB |
Output is correct |
38 |
Correct |
72 ms |
64372 KB |
Output is correct |
39 |
Correct |
1 ms |
584 KB |
Output is correct |
40 |
Correct |
1 ms |
584 KB |
Output is correct |
41 |
Correct |
1 ms |
584 KB |
Output is correct |
42 |
Correct |
289 ms |
29080 KB |
Output is correct |
43 |
Correct |
1224 ms |
63424 KB |
Output is correct |
44 |
Correct |
585 ms |
10680 KB |
Output is correct |
45 |
Correct |
1362 ms |
63424 KB |
Output is correct |
46 |
Correct |
601 ms |
21880 KB |
Output is correct |
47 |
Correct |
1110 ms |
63424 KB |
Output is correct |
48 |
Correct |
1232 ms |
64296 KB |
Output is correct |
49 |
Correct |
1337 ms |
64312 KB |
Output is correct |
50 |
Correct |
1074 ms |
64252 KB |
Output is correct |
51 |
Correct |
845 ms |
63384 KB |
Output is correct |
52 |
Correct |
1310 ms |
63928 KB |
Output is correct |
53 |
Correct |
1411 ms |
64300 KB |
Output is correct |
54 |
Correct |
1202 ms |
64308 KB |
Output is correct |
55 |
Correct |
1 ms |
584 KB |
Output is correct |
56 |
Execution timed out |
4025 ms |
63384 KB |
Time limit exceeded |
57 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
584 KB |
Output is correct |
2 |
Correct |
2 ms |
604 KB |
Output is correct |
3 |
Execution timed out |
4054 ms |
51460 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |