#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
const int K = 21;
const int inf = 1e9;
int n;
vector<int> h;
vector<int> jump[2];
vector<int> anc[2][K];
template<int k>
int get_anc(int nd, int h){
for(int i = 0; i < K; i++){
if(h%2 == 1) nd = anc[k][i][nd];
h/=2;
}
return nd;
}
template<int k>
int binlift(int nd, int l){
if(h[nd] == l) return 0;
if(h[nd] > l) return -inf;
for(int i = K-1; i >= 0; i--) if(h[anc[k][i][nd]] <= l)
return binlift<k>(anc[k][i][nd], l)+(1<<i);
return 0;
}
void init(int N, vector<int> H){
for(int &x: H) x--;
n = N, h = H;
h.pb(n);
fill(jump, jump+2, vector<int>(n, n));
fill(anc[0], anc[0]+K, vector<int>(n+1, n));
fill(anc[1], anc[1]+K, vector<int>(n+1, n));
stack<int> st;
for(int i = n-1; i >= 0; i--){
while(!st.empty() && h[i] > h[st.top()]){
jump[0][st.top()] = i;
st.pop();
}
st.push(i);
}
while(!st.empty()) st.pop();
for(int i = 0; i < n; i++){
while(!st.empty() && h[i] > h[st.top()]){
jump[1][st.top()] = i;
st.pop();
}
st.push(i);
}
while(!st.empty()) st.pop();
for(int i = 0; i < n; i++){
anc[0][0][i] = h[jump[0][i]] < h[jump[1][i]] ? jump[0][i] : jump[1][i];
anc[1][0][i] = h[jump[0][i]] > h[jump[1][i]] ? jump[0][i] : jump[1][i];
if(anc[1][0][i] == n) anc[1][0][i] = anc[0][0][i];
}
for(int p = 1; p < K; p++) for(int i = 0; i <= n; i++)
anc[0][p][i] = anc[0][p-1][anc[0][p-1][i]],
anc[1][p][i] = anc[1][p-1][anc[1][p-1][i]];
}
int get_dis(int A, int C){
int ans = binlift<1>(A, h[C]);
if(ans < 0) return -1;
int nd = get_anc<1>(A, ans);
int x = binlift<0>(nd, h[C]);
if(x < 0) return -1;
nd = get_anc<0>(nd, x);
ans+=x;
if(nd == C) return ans;
return -1;
}
int minimum_jumps(int A, int B, int C, int D){
int ans = inf;
for(int i = C; i <= D; i++){
int mx = -1, in = -1;
for(int j = B; j >= A; j--){
if(h[j] > h[i]) break;
if(h[j] > mx) mx = h[j], in = j;
}
if(in == -1) continue;
int x = get_dis(in, i);
if(x != -1) ans = min(ans, x);
}
if(ans == inf) ans = -1;
return ans;
}
# |
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 |
Execution timed out |
4066 ms |
30120 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
3 ms |
336 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 |
3 ms |
336 KB |
Output is correct |
11 |
Correct |
4 ms |
336 KB |
Output is correct |
12 |
Correct |
4 ms |
336 KB |
Output is correct |
13 |
Correct |
5 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 |
3 ms |
336 KB |
Output is correct |
17 |
Correct |
2 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 |
336 KB |
Output is correct |
21 |
Correct |
2 ms |
208 KB |
Output is correct |
22 |
Correct |
2 ms |
208 KB |
Output is correct |
23 |
Correct |
2 ms |
336 KB |
Output is correct |
24 |
Correct |
3 ms |
336 KB |
Output is correct |
25 |
Correct |
0 ms |
208 KB |
Output is correct |
26 |
Correct |
0 ms |
208 KB |
Output is correct |
27 |
Correct |
2 ms |
208 KB |
Output is correct |
28 |
Correct |
2 ms |
336 KB |
Output is correct |
29 |
Correct |
2 ms |
336 KB |
Output is correct |
30 |
Correct |
2 ms |
208 KB |
Output is correct |
31 |
Correct |
2 ms |
336 KB |
Output is correct |
32 |
Correct |
2 ms |
336 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
0 ms |
208 KB |
Output is correct |
35 |
Correct |
1 ms |
208 KB |
Output is correct |
36 |
Correct |
0 ms |
336 KB |
Output is correct |
37 |
Correct |
1 ms |
336 KB |
Output is correct |
38 |
Correct |
1 ms |
208 KB |
Output is correct |
39 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
3 ms |
336 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 |
3 ms |
336 KB |
Output is correct |
11 |
Correct |
4 ms |
336 KB |
Output is correct |
12 |
Correct |
4 ms |
336 KB |
Output is correct |
13 |
Correct |
5 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 |
3 ms |
336 KB |
Output is correct |
17 |
Correct |
2 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 |
336 KB |
Output is correct |
21 |
Correct |
2 ms |
208 KB |
Output is correct |
22 |
Correct |
2 ms |
208 KB |
Output is correct |
23 |
Correct |
2 ms |
336 KB |
Output is correct |
24 |
Correct |
3 ms |
336 KB |
Output is correct |
25 |
Correct |
0 ms |
208 KB |
Output is correct |
26 |
Correct |
0 ms |
208 KB |
Output is correct |
27 |
Correct |
2 ms |
208 KB |
Output is correct |
28 |
Correct |
2 ms |
336 KB |
Output is correct |
29 |
Correct |
2 ms |
336 KB |
Output is correct |
30 |
Correct |
2 ms |
208 KB |
Output is correct |
31 |
Correct |
2 ms |
336 KB |
Output is correct |
32 |
Correct |
2 ms |
336 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
0 ms |
208 KB |
Output is correct |
35 |
Correct |
1 ms |
208 KB |
Output is correct |
36 |
Correct |
0 ms |
336 KB |
Output is correct |
37 |
Correct |
1 ms |
336 KB |
Output is correct |
38 |
Correct |
1 ms |
208 KB |
Output is correct |
39 |
Correct |
1 ms |
336 KB |
Output is correct |
40 |
Correct |
1 ms |
208 KB |
Output is correct |
41 |
Correct |
0 ms |
208 KB |
Output is correct |
42 |
Correct |
0 ms |
208 KB |
Output is correct |
43 |
Correct |
0 ms |
208 KB |
Output is correct |
44 |
Correct |
2 ms |
208 KB |
Output is correct |
45 |
Correct |
3 ms |
208 KB |
Output is correct |
46 |
Correct |
2 ms |
208 KB |
Output is correct |
47 |
Correct |
3 ms |
336 KB |
Output is correct |
48 |
Correct |
1 ms |
208 KB |
Output is correct |
49 |
Correct |
3 ms |
336 KB |
Output is correct |
50 |
Correct |
3 ms |
336 KB |
Output is correct |
51 |
Correct |
4 ms |
336 KB |
Output is correct |
52 |
Correct |
4 ms |
336 KB |
Output is correct |
53 |
Correct |
5 ms |
208 KB |
Output is correct |
54 |
Correct |
3 ms |
336 KB |
Output is correct |
55 |
Correct |
4 ms |
336 KB |
Output is correct |
56 |
Correct |
1 ms |
208 KB |
Output is correct |
57 |
Correct |
0 ms |
208 KB |
Output is correct |
58 |
Correct |
39 ms |
592 KB |
Output is correct |
59 |
Correct |
49 ms |
592 KB |
Output is correct |
60 |
Correct |
8 ms |
336 KB |
Output is correct |
61 |
Correct |
56 ms |
592 KB |
Output is correct |
62 |
Correct |
15 ms |
208 KB |
Output is correct |
63 |
Correct |
44 ms |
668 KB |
Output is correct |
64 |
Correct |
295 ms |
592 KB |
Output is correct |
65 |
Correct |
311 ms |
592 KB |
Output is correct |
66 |
Correct |
287 ms |
592 KB |
Output is correct |
67 |
Correct |
84 ms |
592 KB |
Output is correct |
68 |
Correct |
178 ms |
652 KB |
Output is correct |
69 |
Correct |
52 ms |
652 KB |
Output is correct |
70 |
Correct |
182 ms |
592 KB |
Output is correct |
71 |
Correct |
0 ms |
208 KB |
Output is correct |
72 |
Correct |
1 ms |
208 KB |
Output is correct |
73 |
Correct |
2 ms |
208 KB |
Output is correct |
74 |
Correct |
3 ms |
336 KB |
Output is correct |
75 |
Correct |
2 ms |
208 KB |
Output is correct |
76 |
Correct |
2 ms |
208 KB |
Output is correct |
77 |
Correct |
2 ms |
336 KB |
Output is correct |
78 |
Correct |
0 ms |
208 KB |
Output is correct |
79 |
Correct |
0 ms |
208 KB |
Output is correct |
80 |
Correct |
1 ms |
208 KB |
Output is correct |
81 |
Correct |
2 ms |
336 KB |
Output is correct |
82 |
Correct |
3 ms |
336 KB |
Output is correct |
83 |
Correct |
2 ms |
336 KB |
Output is correct |
84 |
Correct |
2 ms |
208 KB |
Output is correct |
85 |
Correct |
3 ms |
336 KB |
Output is correct |
86 |
Correct |
0 ms |
208 KB |
Output is correct |
87 |
Correct |
0 ms |
208 KB |
Output is correct |
88 |
Correct |
0 ms |
336 KB |
Output is correct |
89 |
Correct |
1 ms |
208 KB |
Output is correct |
90 |
Correct |
1 ms |
336 KB |
Output is correct |
91 |
Correct |
1 ms |
208 KB |
Output is correct |
92 |
Correct |
1 ms |
208 KB |
Output is correct |
93 |
Correct |
0 ms |
336 KB |
Output is correct |
94 |
Correct |
4 ms |
336 KB |
Output is correct |
95 |
Correct |
14 ms |
592 KB |
Output is correct |
96 |
Correct |
19 ms |
592 KB |
Output is correct |
97 |
Correct |
18 ms |
592 KB |
Output is correct |
98 |
Correct |
16 ms |
592 KB |
Output is correct |
99 |
Correct |
16 ms |
592 KB |
Output is correct |
100 |
Correct |
0 ms |
336 KB |
Output is correct |
101 |
Correct |
1 ms |
336 KB |
Output is correct |
102 |
Correct |
20 ms |
592 KB |
Output is correct |
103 |
Correct |
20 ms |
592 KB |
Output is correct |
104 |
Correct |
18 ms |
592 KB |
Output is correct |
105 |
Correct |
19 ms |
592 KB |
Output is correct |
106 |
Correct |
17 ms |
592 KB |
Output is correct |
107 |
Correct |
0 ms |
336 KB |
Output is correct |
108 |
Correct |
1 ms |
476 KB |
Output is correct |
109 |
Correct |
1 ms |
592 KB |
Output is correct |
110 |
Correct |
2 ms |
592 KB |
Output is correct |
111 |
Correct |
1 ms |
592 KB |
Output is correct |
112 |
Correct |
2 ms |
592 KB |
Output is correct |
113 |
Correct |
2 ms |
592 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 |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
39 ms |
30516 KB |
Output is correct |
6 |
Correct |
65 ms |
37792 KB |
Output is correct |
7 |
Correct |
22 ms |
19532 KB |
Output is correct |
8 |
Correct |
54 ms |
37900 KB |
Output is correct |
9 |
Correct |
8 ms |
5968 KB |
Output is correct |
10 |
Correct |
54 ms |
37752 KB |
Output is correct |
11 |
Execution timed out |
4059 ms |
37900 KB |
Time limit exceeded |
12 |
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 |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
228 ms |
17460 KB |
Output is correct |
5 |
Correct |
612 ms |
37864 KB |
Output is correct |
6 |
Correct |
595 ms |
6476 KB |
Output is correct |
7 |
Correct |
818 ms |
37772 KB |
Output is correct |
8 |
Correct |
545 ms |
13248 KB |
Output is correct |
9 |
Correct |
896 ms |
37900 KB |
Output is correct |
10 |
Correct |
988 ms |
37880 KB |
Output is correct |
11 |
Correct |
1034 ms |
37768 KB |
Output is correct |
12 |
Correct |
989 ms |
37872 KB |
Output is correct |
13 |
Correct |
758 ms |
37816 KB |
Output is correct |
14 |
Correct |
844 ms |
37816 KB |
Output is correct |
15 |
Correct |
763 ms |
37916 KB |
Output is correct |
16 |
Correct |
702 ms |
38028 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
2 ms |
208 KB |
Output is correct |
20 |
Correct |
2 ms |
336 KB |
Output is correct |
21 |
Correct |
3 ms |
208 KB |
Output is correct |
22 |
Correct |
3 ms |
208 KB |
Output is correct |
23 |
Correct |
3 ms |
208 KB |
Output is correct |
24 |
Correct |
2 ms |
336 KB |
Output is correct |
25 |
Correct |
0 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
16 ms |
680 KB |
Output is correct |
28 |
Correct |
17 ms |
592 KB |
Output is correct |
29 |
Correct |
19 ms |
656 KB |
Output is correct |
30 |
Correct |
18 ms |
656 KB |
Output is correct |
31 |
Correct |
20 ms |
592 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
26 ms |
22024 KB |
Output is correct |
34 |
Correct |
48 ms |
37792 KB |
Output is correct |
35 |
Correct |
39 ms |
37768 KB |
Output is correct |
36 |
Correct |
45 ms |
37800 KB |
Output is correct |
37 |
Correct |
39 ms |
37904 KB |
Output is correct |
38 |
Correct |
56 ms |
37916 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 |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
228 ms |
17460 KB |
Output is correct |
5 |
Correct |
612 ms |
37864 KB |
Output is correct |
6 |
Correct |
595 ms |
6476 KB |
Output is correct |
7 |
Correct |
818 ms |
37772 KB |
Output is correct |
8 |
Correct |
545 ms |
13248 KB |
Output is correct |
9 |
Correct |
896 ms |
37900 KB |
Output is correct |
10 |
Correct |
988 ms |
37880 KB |
Output is correct |
11 |
Correct |
1034 ms |
37768 KB |
Output is correct |
12 |
Correct |
989 ms |
37872 KB |
Output is correct |
13 |
Correct |
758 ms |
37816 KB |
Output is correct |
14 |
Correct |
844 ms |
37816 KB |
Output is correct |
15 |
Correct |
763 ms |
37916 KB |
Output is correct |
16 |
Correct |
702 ms |
38028 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
2 ms |
208 KB |
Output is correct |
20 |
Correct |
2 ms |
336 KB |
Output is correct |
21 |
Correct |
3 ms |
208 KB |
Output is correct |
22 |
Correct |
3 ms |
208 KB |
Output is correct |
23 |
Correct |
3 ms |
208 KB |
Output is correct |
24 |
Correct |
2 ms |
336 KB |
Output is correct |
25 |
Correct |
0 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
16 ms |
680 KB |
Output is correct |
28 |
Correct |
17 ms |
592 KB |
Output is correct |
29 |
Correct |
19 ms |
656 KB |
Output is correct |
30 |
Correct |
18 ms |
656 KB |
Output is correct |
31 |
Correct |
20 ms |
592 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
26 ms |
22024 KB |
Output is correct |
34 |
Correct |
48 ms |
37792 KB |
Output is correct |
35 |
Correct |
39 ms |
37768 KB |
Output is correct |
36 |
Correct |
45 ms |
37800 KB |
Output is correct |
37 |
Correct |
39 ms |
37904 KB |
Output is correct |
38 |
Correct |
56 ms |
37916 KB |
Output is correct |
39 |
Correct |
0 ms |
208 KB |
Output is correct |
40 |
Correct |
1 ms |
208 KB |
Output is correct |
41 |
Correct |
0 ms |
208 KB |
Output is correct |
42 |
Correct |
224 ms |
17452 KB |
Output is correct |
43 |
Correct |
826 ms |
37868 KB |
Output is correct |
44 |
Correct |
562 ms |
6476 KB |
Output is correct |
45 |
Correct |
840 ms |
37816 KB |
Output is correct |
46 |
Correct |
330 ms |
13248 KB |
Output is correct |
47 |
Correct |
719 ms |
37816 KB |
Output is correct |
48 |
Correct |
993 ms |
37916 KB |
Output is correct |
49 |
Correct |
930 ms |
37772 KB |
Output is correct |
50 |
Correct |
925 ms |
37816 KB |
Output is correct |
51 |
Correct |
665 ms |
37808 KB |
Output is correct |
52 |
Correct |
860 ms |
37824 KB |
Output is correct |
53 |
Correct |
837 ms |
37896 KB |
Output is correct |
54 |
Correct |
746 ms |
37816 KB |
Output is correct |
55 |
Correct |
0 ms |
208 KB |
Output is correct |
56 |
Correct |
93 ms |
37648 KB |
Output is correct |
57 |
Correct |
722 ms |
37788 KB |
Output is correct |
58 |
Correct |
354 ms |
6832 KB |
Output is correct |
59 |
Correct |
747 ms |
37864 KB |
Output is correct |
60 |
Correct |
344 ms |
13916 KB |
Output is correct |
61 |
Correct |
689 ms |
37816 KB |
Output is correct |
62 |
Execution timed out |
4067 ms |
37816 KB |
Time limit exceeded |
63 |
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 |
Execution timed out |
4066 ms |
30120 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |