#include<bits/stdc++.h>
#ifndef LOCAL
#include "jumps.h"
#endif
#define ld long double
#define ll long long
#define pb push_back
using namespace std;
const int INF = 1e9;
mt19937 rnd(51);
int n;
vector<int> h, l, r;
void init(int N, std::vector<int> H) {
h = H;
n = N;
l.clear(), r.clear();
l.resize(n, -1);
r.resize(n, n);
deque<int> q;
for (int i = 0; i < n; i++) {
while (q.size() > 0 && h[q.back()] < h[i]) {
r[q.back()] = i;
q.pop_back();
}
q.pb(i);
}
q.clear();
for (int i = n - 1; i >= 0; i--) {
while (q.size() > 0 && h[q.back()] < h[i]) {
l[q.back()] = i;
q.pop_back();
}
q.pb(i);
}
}
int minimum_jumps(int a, int b, int c, int d) {
int j = c, k = -1;
for (int i = c; i <= d; i++) {
if (h[i] > h[j]) {
j = i;
}
}
for (int i = b; i >= a && h[i] < h[j]; i--) {
if (k == -1 || h[i] > h[k]) {
k = i;
}
}
if (k == -1) return -1;
int cnt = 1;
while (r[k] < c) {
int L = l[k], R = r[k];
cnt++;
if (L == -1) {
k = R;
} else if (R == -1) {
k = L;
} else {
if (h[L] > h[R] && h[L] < h[j]) {
k = L;
} else {
k = R;
}
}
}
if (r[k] > d) return -1;
return cnt;
}
#ifdef LOCAL
int my_solve(int a, int b, int c, int d) {
map<int,int> dist;
deque<int> q;
for (int i = a; i <= b; i++) {
dist[i] = 0;
q.pb(i);
}
while (q.size() > 0) {
int v = q.front();
if (c <= v && v <= d) return dist[v];
q.pop_front();
int L = l[v], R = r[v];
if (L != -1 && dist.find(L) == dist.end()) {
dist[L] = dist[v] + 1;
q.pb(L);
}
if (R != n && dist.find(R) == dist.end()) {
dist[R] = dist[v] + 1;
q.pb(R);
}
}
return -1;
}
int main() {
while (1) {
int n = rnd() % 10 + 1, q = rnd() % 10 + 1;
vector<int> h(n);
iota(h.begin(), h.end(), 1);
shuffle(h.begin(), h.end(), rnd);
init(n, h);
cout << n << endl;
for (auto to : h) {
cout << to << ' ';
}
cout << endl;
for (int i = 0; i < q; i++) {
vector<int> arr(4);
for (int j = 0; j < 4; j++) arr[j] = rnd() % n;
sort(arr.begin(), arr.end());
if (arr[1] >= arr[2]) continue;
cout << arr[0] << ' ' << arr[1] << ' ' << arr[2] << ' ' << arr[3] << endl;
auto res = minimum_jumps(arr[0], arr[1], arr[2], arr[3]), res2 = my_solve(arr[0], arr[1], arr[2], arr[3]);
if (res != res2) {
cout << "BAD" << endl;
cout << res << ' ' << res2 << endl;
return 0;
}
}
}
}
#endif
# |
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 |
Correct |
3094 ms |
3984 KB |
Output is correct |
4 |
Execution timed out |
4040 ms |
5064 KB |
Time limit exceeded |
5 |
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 |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
2 ms |
208 KB |
Output is correct |
7 |
Correct |
2 ms |
208 KB |
Output is correct |
8 |
Correct |
3 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
2 ms |
208 KB |
Output is correct |
11 |
Correct |
2 ms |
208 KB |
Output is correct |
12 |
Correct |
3 ms |
208 KB |
Output is correct |
13 |
Correct |
3 ms |
208 KB |
Output is correct |
14 |
Correct |
2 ms |
208 KB |
Output is correct |
15 |
Correct |
2 ms |
208 KB |
Output is correct |
16 |
Correct |
2 ms |
208 KB |
Output is correct |
17 |
Correct |
3 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
208 KB |
Output is correct |
20 |
Correct |
2 ms |
208 KB |
Output is correct |
21 |
Correct |
2 ms |
208 KB |
Output is correct |
22 |
Correct |
3 ms |
208 KB |
Output is correct |
23 |
Correct |
2 ms |
208 KB |
Output is correct |
24 |
Correct |
2 ms |
208 KB |
Output is correct |
25 |
Correct |
0 ms |
208 KB |
Output is correct |
26 |
Correct |
1 ms |
208 KB |
Output is correct |
27 |
Correct |
2 ms |
208 KB |
Output is correct |
28 |
Correct |
3 ms |
208 KB |
Output is correct |
29 |
Correct |
2 ms |
208 KB |
Output is correct |
30 |
Correct |
2 ms |
208 KB |
Output is correct |
31 |
Correct |
2 ms |
208 KB |
Output is correct |
32 |
Correct |
2 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
0 ms |
208 KB |
Output is correct |
38 |
Correct |
0 ms |
208 KB |
Output is correct |
39 |
Correct |
0 ms |
208 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 |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
2 ms |
208 KB |
Output is correct |
7 |
Correct |
2 ms |
208 KB |
Output is correct |
8 |
Correct |
3 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
2 ms |
208 KB |
Output is correct |
11 |
Correct |
2 ms |
208 KB |
Output is correct |
12 |
Correct |
3 ms |
208 KB |
Output is correct |
13 |
Correct |
3 ms |
208 KB |
Output is correct |
14 |
Correct |
2 ms |
208 KB |
Output is correct |
15 |
Correct |
2 ms |
208 KB |
Output is correct |
16 |
Correct |
2 ms |
208 KB |
Output is correct |
17 |
Correct |
3 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
208 KB |
Output is correct |
20 |
Correct |
2 ms |
208 KB |
Output is correct |
21 |
Correct |
2 ms |
208 KB |
Output is correct |
22 |
Correct |
3 ms |
208 KB |
Output is correct |
23 |
Correct |
2 ms |
208 KB |
Output is correct |
24 |
Correct |
2 ms |
208 KB |
Output is correct |
25 |
Correct |
0 ms |
208 KB |
Output is correct |
26 |
Correct |
1 ms |
208 KB |
Output is correct |
27 |
Correct |
2 ms |
208 KB |
Output is correct |
28 |
Correct |
3 ms |
208 KB |
Output is correct |
29 |
Correct |
2 ms |
208 KB |
Output is correct |
30 |
Correct |
2 ms |
208 KB |
Output is correct |
31 |
Correct |
2 ms |
208 KB |
Output is correct |
32 |
Correct |
2 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
0 ms |
208 KB |
Output is correct |
38 |
Correct |
0 ms |
208 KB |
Output is correct |
39 |
Correct |
0 ms |
208 KB |
Output is correct |
40 |
Correct |
1 ms |
208 KB |
Output is correct |
41 |
Correct |
1 ms |
208 KB |
Output is correct |
42 |
Correct |
0 ms |
208 KB |
Output is correct |
43 |
Correct |
1 ms |
208 KB |
Output is correct |
44 |
Correct |
2 ms |
208 KB |
Output is correct |
45 |
Correct |
2 ms |
208 KB |
Output is correct |
46 |
Correct |
2 ms |
208 KB |
Output is correct |
47 |
Correct |
2 ms |
208 KB |
Output is correct |
48 |
Correct |
1 ms |
208 KB |
Output is correct |
49 |
Correct |
2 ms |
208 KB |
Output is correct |
50 |
Correct |
2 ms |
208 KB |
Output is correct |
51 |
Correct |
2 ms |
208 KB |
Output is correct |
52 |
Correct |
2 ms |
208 KB |
Output is correct |
53 |
Correct |
2 ms |
208 KB |
Output is correct |
54 |
Correct |
2 ms |
208 KB |
Output is correct |
55 |
Correct |
3 ms |
208 KB |
Output is correct |
56 |
Correct |
3 ms |
208 KB |
Output is correct |
57 |
Correct |
0 ms |
208 KB |
Output is correct |
58 |
Correct |
15 ms |
208 KB |
Output is correct |
59 |
Correct |
19 ms |
208 KB |
Output is correct |
60 |
Correct |
5 ms |
208 KB |
Output is correct |
61 |
Correct |
19 ms |
336 KB |
Output is correct |
62 |
Correct |
12 ms |
208 KB |
Output is correct |
63 |
Correct |
20 ms |
336 KB |
Output is correct |
64 |
Correct |
29 ms |
336 KB |
Output is correct |
65 |
Correct |
25 ms |
336 KB |
Output is correct |
66 |
Correct |
29 ms |
336 KB |
Output is correct |
67 |
Correct |
18 ms |
336 KB |
Output is correct |
68 |
Correct |
21 ms |
336 KB |
Output is correct |
69 |
Correct |
18 ms |
336 KB |
Output is correct |
70 |
Correct |
21 ms |
336 KB |
Output is correct |
71 |
Correct |
0 ms |
208 KB |
Output is correct |
72 |
Correct |
1 ms |
208 KB |
Output is correct |
73 |
Correct |
1 ms |
208 KB |
Output is correct |
74 |
Correct |
2 ms |
208 KB |
Output is correct |
75 |
Correct |
1 ms |
208 KB |
Output is correct |
76 |
Correct |
2 ms |
256 KB |
Output is correct |
77 |
Correct |
2 ms |
208 KB |
Output is correct |
78 |
Correct |
0 ms |
208 KB |
Output is correct |
79 |
Correct |
0 ms |
208 KB |
Output is correct |
80 |
Correct |
2 ms |
208 KB |
Output is correct |
81 |
Correct |
2 ms |
208 KB |
Output is correct |
82 |
Correct |
2 ms |
208 KB |
Output is correct |
83 |
Correct |
2 ms |
208 KB |
Output is correct |
84 |
Correct |
3 ms |
208 KB |
Output is correct |
85 |
Correct |
2 ms |
208 KB |
Output is correct |
86 |
Correct |
1 ms |
208 KB |
Output is correct |
87 |
Correct |
0 ms |
208 KB |
Output is correct |
88 |
Correct |
1 ms |
208 KB |
Output is correct |
89 |
Correct |
0 ms |
208 KB |
Output is correct |
90 |
Correct |
1 ms |
208 KB |
Output is correct |
91 |
Correct |
0 ms |
208 KB |
Output is correct |
92 |
Correct |
1 ms |
208 KB |
Output is correct |
93 |
Correct |
0 ms |
208 KB |
Output is correct |
94 |
Correct |
4 ms |
208 KB |
Output is correct |
95 |
Correct |
18 ms |
336 KB |
Output is correct |
96 |
Correct |
26 ms |
336 KB |
Output is correct |
97 |
Correct |
23 ms |
336 KB |
Output is correct |
98 |
Correct |
25 ms |
336 KB |
Output is correct |
99 |
Correct |
15 ms |
336 KB |
Output is correct |
100 |
Correct |
0 ms |
208 KB |
Output is correct |
101 |
Correct |
1 ms |
208 KB |
Output is correct |
102 |
Correct |
19 ms |
336 KB |
Output is correct |
103 |
Correct |
19 ms |
336 KB |
Output is correct |
104 |
Correct |
17 ms |
208 KB |
Output is correct |
105 |
Correct |
21 ms |
336 KB |
Output is correct |
106 |
Correct |
9 ms |
336 KB |
Output is correct |
107 |
Correct |
0 ms |
208 KB |
Output is correct |
108 |
Correct |
1 ms |
208 KB |
Output is correct |
109 |
Correct |
1 ms |
208 KB |
Output is correct |
110 |
Correct |
1 ms |
336 KB |
Output is correct |
111 |
Correct |
1 ms |
336 KB |
Output is correct |
112 |
Correct |
1 ms |
336 KB |
Output is correct |
113 |
Correct |
1 ms |
336 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 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
23 ms |
3356 KB |
Output is correct |
6 |
Correct |
29 ms |
4216 KB |
Output is correct |
7 |
Correct |
13 ms |
2240 KB |
Output is correct |
8 |
Correct |
27 ms |
4144 KB |
Output is correct |
9 |
Correct |
4 ms |
848 KB |
Output is correct |
10 |
Correct |
29 ms |
4216 KB |
Output is correct |
11 |
Correct |
42 ms |
4912 KB |
Output is correct |
12 |
Correct |
25 ms |
4780 KB |
Output is correct |
13 |
Correct |
23 ms |
4724 KB |
Output is correct |
14 |
Correct |
29 ms |
4124 KB |
Output is correct |
15 |
Correct |
24 ms |
4532 KB |
Output is correct |
16 |
Correct |
24 ms |
4908 KB |
Output is correct |
17 |
Correct |
25 ms |
4896 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
0 ms |
208 KB |
Output is correct |
20 |
Correct |
0 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
1 ms |
208 KB |
Output is correct |
23 |
Correct |
0 ms |
208 KB |
Output is correct |
24 |
Correct |
0 ms |
208 KB |
Output is correct |
25 |
Correct |
1 ms |
208 KB |
Output is correct |
26 |
Correct |
1 ms |
208 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
1 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
208 KB |
Output is correct |
30 |
Correct |
1 ms |
336 KB |
Output is correct |
31 |
Correct |
1 ms |
336 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
27 ms |
4128 KB |
Output is correct |
34 |
Correct |
37 ms |
4152 KB |
Output is correct |
35 |
Correct |
23 ms |
4788 KB |
Output is correct |
36 |
Correct |
43 ms |
4144 KB |
Output is correct |
37 |
Correct |
41 ms |
4528 KB |
Output is correct |
38 |
Correct |
20 ms |
5044 KB |
Output is correct |
39 |
Correct |
0 ms |
208 KB |
Output is correct |
40 |
Correct |
15 ms |
2512 KB |
Output is correct |
41 |
Correct |
27 ms |
4116 KB |
Output is correct |
42 |
Correct |
24 ms |
4888 KB |
Output is correct |
43 |
Correct |
33 ms |
4128 KB |
Output is correct |
44 |
Correct |
24 ms |
4524 KB |
Output is correct |
45 |
Correct |
21 ms |
5040 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 |
152 ms |
2056 KB |
Output is correct |
5 |
Correct |
779 ms |
4168 KB |
Output is correct |
6 |
Correct |
645 ms |
848 KB |
Output is correct |
7 |
Correct |
849 ms |
4184 KB |
Output is correct |
8 |
Correct |
366 ms |
1604 KB |
Output is correct |
9 |
Correct |
793 ms |
4124 KB |
Output is correct |
10 |
Execution timed out |
4045 ms |
4912 KB |
Time limit exceeded |
11 |
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 |
152 ms |
2056 KB |
Output is correct |
5 |
Correct |
779 ms |
4168 KB |
Output is correct |
6 |
Correct |
645 ms |
848 KB |
Output is correct |
7 |
Correct |
849 ms |
4184 KB |
Output is correct |
8 |
Correct |
366 ms |
1604 KB |
Output is correct |
9 |
Correct |
793 ms |
4124 KB |
Output is correct |
10 |
Execution timed out |
4045 ms |
4912 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
Correct |
3094 ms |
3984 KB |
Output is correct |
4 |
Execution timed out |
4040 ms |
5064 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |