#include "jumps.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
const int maxn = (int)2e5+10;
const int maxlg = 24;
const int INF = (int)1e9;
stack<pair<int,int>> S;
int n, pr[maxn], nx[maxn];
int l[maxlg][maxn], r[maxlg][maxn], hi[maxlg][maxn];
void calc(int jmp[][maxn]){
for(int i = 1; i < maxlg; i++)
for(int j = 1; j <= n; j++)
jmp[i][j] = jmp[i-1][jmp[i-1][j]];
}
void init(int N, vector<int> a) {
n = N; a.insert(a.begin(),-1);
for(int i = 1; i <= n; i++){
while(!S.empty() and S.top().fi<a[i]) S.pop();
if(!S.empty()) pr[i] = S.top().se;
S.push({a[i],i});
}
while(!S.empty()) S.pop();
for(int i = n; i>=1; i--){
while(!S.empty() and S.top().fi<a[i]) S.pop();
if(!S.empty()) nx[i] = S.top().se;
S.push({a[i],i});
}
for(int i = 1; i <= n; i++)
l[0][i]=pr[i], r[0][i]=nx[i],
hi[0][i] = (a[pr[i]]<a[nx[i]]?nx[i]:pr[i]);
calc(l), calc(r), calc(hi);
}
int get_path(int *x, int y, int z, int jmp[][maxn], int rx=1, int tot=0){
for(int i = maxlg-1; i >= 0; i--)
if(jmp[i][*x]>=rx and jmp[i][*x]<y)
if(nx[jmp[i][*x]] and nx[jmp[i][*x]]<=z)
*x = jmp[i][*x], tot+=(1<<i);
return tot;
}
int minimum_jumps(int A, int B, int C, int D) {
A++,B++,C++,D++;
int x = B; get_path(&x,C,D,l,A);
if(nx[x]>=C and nx[x]<=D) return 1;
int ans = get_path(&x,C,D,hi);
if(nx[x]>=C and nx[x]<=D) return ans+1;
ans+=get_path(&x,C,D,r);
return (nx[x]>=C and nx[x]<=D)?ans+1:-1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
1 ms |
592 KB |
Output is correct |
3 |
Correct |
161 ms |
48548 KB |
Output is correct |
4 |
Correct |
972 ms |
60588 KB |
Output is correct |
5 |
Correct |
879 ms |
30896 KB |
Output is correct |
6 |
Correct |
939 ms |
60584 KB |
Output is correct |
7 |
Correct |
1164 ms |
41736 KB |
Output is correct |
8 |
Correct |
1192 ms |
60568 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
0 ms |
592 KB |
Output is correct |
3 |
Correct |
1 ms |
592 KB |
Output is correct |
4 |
Correct |
2 ms |
592 KB |
Output is correct |
5 |
Correct |
2 ms |
592 KB |
Output is correct |
6 |
Correct |
2 ms |
720 KB |
Output is correct |
7 |
Correct |
2 ms |
720 KB |
Output is correct |
8 |
Correct |
2 ms |
720 KB |
Output is correct |
9 |
Correct |
1 ms |
720 KB |
Output is correct |
10 |
Incorrect |
2 ms |
720 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
0 ms |
592 KB |
Output is correct |
3 |
Correct |
1 ms |
592 KB |
Output is correct |
4 |
Correct |
2 ms |
592 KB |
Output is correct |
5 |
Correct |
2 ms |
592 KB |
Output is correct |
6 |
Correct |
2 ms |
720 KB |
Output is correct |
7 |
Correct |
2 ms |
720 KB |
Output is correct |
8 |
Correct |
2 ms |
720 KB |
Output is correct |
9 |
Correct |
1 ms |
720 KB |
Output is correct |
10 |
Incorrect |
2 ms |
720 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
1 ms |
592 KB |
Output is correct |
3 |
Correct |
1 ms |
592 KB |
Output is correct |
4 |
Correct |
0 ms |
592 KB |
Output is correct |
5 |
Correct |
48 ms |
48448 KB |
Output is correct |
6 |
Correct |
62 ms |
59684 KB |
Output is correct |
7 |
Correct |
29 ms |
31020 KB |
Output is correct |
8 |
Correct |
62 ms |
59744 KB |
Output is correct |
9 |
Correct |
10 ms |
9720 KB |
Output is correct |
10 |
Correct |
61 ms |
59792 KB |
Output is correct |
11 |
Correct |
53 ms |
60600 KB |
Output is correct |
12 |
Correct |
54 ms |
60552 KB |
Output is correct |
13 |
Correct |
57 ms |
60344 KB |
Output is correct |
14 |
Correct |
59 ms |
59664 KB |
Output is correct |
15 |
Incorrect |
52 ms |
60564 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
1 ms |
592 KB |
Output is correct |
3 |
Correct |
0 ms |
592 KB |
Output is correct |
4 |
Correct |
238 ms |
27816 KB |
Output is correct |
5 |
Correct |
997 ms |
59668 KB |
Output is correct |
6 |
Correct |
741 ms |
10412 KB |
Output is correct |
7 |
Correct |
1110 ms |
59680 KB |
Output is correct |
8 |
Correct |
665 ms |
21052 KB |
Output is correct |
9 |
Correct |
1051 ms |
59684 KB |
Output is correct |
10 |
Correct |
1062 ms |
60628 KB |
Output is correct |
11 |
Correct |
979 ms |
61112 KB |
Output is correct |
12 |
Correct |
1014 ms |
60436 KB |
Output is correct |
13 |
Correct |
698 ms |
59720 KB |
Output is correct |
14 |
Correct |
1082 ms |
60556 KB |
Output is correct |
15 |
Correct |
1020 ms |
60692 KB |
Output is correct |
16 |
Correct |
1073 ms |
60688 KB |
Output is correct |
17 |
Correct |
0 ms |
592 KB |
Output is correct |
18 |
Correct |
1 ms |
592 KB |
Output is correct |
19 |
Correct |
2 ms |
592 KB |
Output is correct |
20 |
Correct |
3 ms |
720 KB |
Output is correct |
21 |
Correct |
2 ms |
720 KB |
Output is correct |
22 |
Correct |
3 ms |
720 KB |
Output is correct |
23 |
Correct |
2 ms |
720 KB |
Output is correct |
24 |
Correct |
3 ms |
720 KB |
Output is correct |
25 |
Correct |
0 ms |
720 KB |
Output is correct |
26 |
Correct |
2 ms |
848 KB |
Output is correct |
27 |
Correct |
16 ms |
1232 KB |
Output is correct |
28 |
Correct |
21 ms |
1232 KB |
Output is correct |
29 |
Correct |
16 ms |
1232 KB |
Output is correct |
30 |
Correct |
16 ms |
1232 KB |
Output is correct |
31 |
Correct |
17 ms |
1232 KB |
Output is correct |
32 |
Correct |
1 ms |
592 KB |
Output is correct |
33 |
Correct |
34 ms |
34984 KB |
Output is correct |
34 |
Correct |
58 ms |
59664 KB |
Output is correct |
35 |
Correct |
54 ms |
60436 KB |
Output is correct |
36 |
Correct |
56 ms |
59704 KB |
Output is correct |
37 |
Correct |
53 ms |
60564 KB |
Output is correct |
38 |
Correct |
53 ms |
60780 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
1 ms |
592 KB |
Output is correct |
3 |
Correct |
0 ms |
592 KB |
Output is correct |
4 |
Correct |
238 ms |
27816 KB |
Output is correct |
5 |
Correct |
997 ms |
59668 KB |
Output is correct |
6 |
Correct |
741 ms |
10412 KB |
Output is correct |
7 |
Correct |
1110 ms |
59680 KB |
Output is correct |
8 |
Correct |
665 ms |
21052 KB |
Output is correct |
9 |
Correct |
1051 ms |
59684 KB |
Output is correct |
10 |
Correct |
1062 ms |
60628 KB |
Output is correct |
11 |
Correct |
979 ms |
61112 KB |
Output is correct |
12 |
Correct |
1014 ms |
60436 KB |
Output is correct |
13 |
Correct |
698 ms |
59720 KB |
Output is correct |
14 |
Correct |
1082 ms |
60556 KB |
Output is correct |
15 |
Correct |
1020 ms |
60692 KB |
Output is correct |
16 |
Correct |
1073 ms |
60688 KB |
Output is correct |
17 |
Correct |
0 ms |
592 KB |
Output is correct |
18 |
Correct |
1 ms |
592 KB |
Output is correct |
19 |
Correct |
2 ms |
592 KB |
Output is correct |
20 |
Correct |
3 ms |
720 KB |
Output is correct |
21 |
Correct |
2 ms |
720 KB |
Output is correct |
22 |
Correct |
3 ms |
720 KB |
Output is correct |
23 |
Correct |
2 ms |
720 KB |
Output is correct |
24 |
Correct |
3 ms |
720 KB |
Output is correct |
25 |
Correct |
0 ms |
720 KB |
Output is correct |
26 |
Correct |
2 ms |
848 KB |
Output is correct |
27 |
Correct |
16 ms |
1232 KB |
Output is correct |
28 |
Correct |
21 ms |
1232 KB |
Output is correct |
29 |
Correct |
16 ms |
1232 KB |
Output is correct |
30 |
Correct |
16 ms |
1232 KB |
Output is correct |
31 |
Correct |
17 ms |
1232 KB |
Output is correct |
32 |
Correct |
1 ms |
592 KB |
Output is correct |
33 |
Correct |
34 ms |
34984 KB |
Output is correct |
34 |
Correct |
58 ms |
59664 KB |
Output is correct |
35 |
Correct |
54 ms |
60436 KB |
Output is correct |
36 |
Correct |
56 ms |
59704 KB |
Output is correct |
37 |
Correct |
53 ms |
60564 KB |
Output is correct |
38 |
Correct |
53 ms |
60780 KB |
Output is correct |
39 |
Correct |
1 ms |
592 KB |
Output is correct |
40 |
Correct |
1 ms |
592 KB |
Output is correct |
41 |
Correct |
1 ms |
592 KB |
Output is correct |
42 |
Correct |
264 ms |
27780 KB |
Output is correct |
43 |
Correct |
790 ms |
59684 KB |
Output is correct |
44 |
Correct |
547 ms |
10444 KB |
Output is correct |
45 |
Correct |
811 ms |
59776 KB |
Output is correct |
46 |
Correct |
450 ms |
21108 KB |
Output is correct |
47 |
Correct |
831 ms |
59704 KB |
Output is correct |
48 |
Correct |
1098 ms |
60592 KB |
Output is correct |
49 |
Correct |
1125 ms |
61104 KB |
Output is correct |
50 |
Correct |
1074 ms |
60456 KB |
Output is correct |
51 |
Correct |
812 ms |
59780 KB |
Output is correct |
52 |
Correct |
1012 ms |
60568 KB |
Output is correct |
53 |
Correct |
892 ms |
60692 KB |
Output is correct |
54 |
Correct |
1028 ms |
60620 KB |
Output is correct |
55 |
Correct |
0 ms |
592 KB |
Output is correct |
56 |
Correct |
113 ms |
59688 KB |
Output is correct |
57 |
Correct |
1025 ms |
59780 KB |
Output is correct |
58 |
Correct |
522 ms |
11076 KB |
Output is correct |
59 |
Correct |
817 ms |
59692 KB |
Output is correct |
60 |
Correct |
434 ms |
21688 KB |
Output is correct |
61 |
Correct |
798 ms |
59668 KB |
Output is correct |
62 |
Correct |
1026 ms |
60576 KB |
Output is correct |
63 |
Correct |
1014 ms |
60676 KB |
Output is correct |
64 |
Correct |
949 ms |
60448 KB |
Output is correct |
65 |
Correct |
717 ms |
59732 KB |
Output is correct |
66 |
Correct |
1008 ms |
60580 KB |
Output is correct |
67 |
Correct |
1119 ms |
60948 KB |
Output is correct |
68 |
Correct |
1187 ms |
60596 KB |
Output is correct |
69 |
Correct |
0 ms |
592 KB |
Output is correct |
70 |
Correct |
1 ms |
592 KB |
Output is correct |
71 |
Correct |
2 ms |
672 KB |
Output is correct |
72 |
Correct |
2 ms |
720 KB |
Output is correct |
73 |
Correct |
3 ms |
720 KB |
Output is correct |
74 |
Correct |
2 ms |
720 KB |
Output is correct |
75 |
Correct |
3 ms |
720 KB |
Output is correct |
76 |
Correct |
1 ms |
592 KB |
Output is correct |
77 |
Correct |
0 ms |
592 KB |
Output is correct |
78 |
Correct |
2 ms |
592 KB |
Output is correct |
79 |
Correct |
2 ms |
720 KB |
Output is correct |
80 |
Correct |
2 ms |
720 KB |
Output is correct |
81 |
Correct |
1 ms |
720 KB |
Output is correct |
82 |
Correct |
3 ms |
720 KB |
Output is correct |
83 |
Correct |
2 ms |
720 KB |
Output is correct |
84 |
Correct |
1 ms |
720 KB |
Output is correct |
85 |
Correct |
2 ms |
720 KB |
Output is correct |
86 |
Correct |
18 ms |
1232 KB |
Output is correct |
87 |
Correct |
18 ms |
1232 KB |
Output is correct |
88 |
Correct |
18 ms |
1232 KB |
Output is correct |
89 |
Correct |
16 ms |
1232 KB |
Output is correct |
90 |
Correct |
16 ms |
1232 KB |
Output is correct |
91 |
Correct |
1 ms |
720 KB |
Output is correct |
92 |
Correct |
1 ms |
848 KB |
Output is correct |
93 |
Correct |
21 ms |
1232 KB |
Output is correct |
94 |
Correct |
11 ms |
1232 KB |
Output is correct |
95 |
Correct |
21 ms |
1232 KB |
Output is correct |
96 |
Correct |
21 ms |
1232 KB |
Output is correct |
97 |
Correct |
17 ms |
1232 KB |
Output is correct |
98 |
Correct |
1 ms |
592 KB |
Output is correct |
99 |
Correct |
56 ms |
59672 KB |
Output is correct |
100 |
Correct |
56 ms |
59776 KB |
Output is correct |
101 |
Correct |
56 ms |
60364 KB |
Output is correct |
102 |
Correct |
69 ms |
59664 KB |
Output is correct |
103 |
Correct |
52 ms |
60556 KB |
Output is correct |
104 |
Correct |
54 ms |
60804 KB |
Output is correct |
105 |
Correct |
0 ms |
592 KB |
Output is correct |
106 |
Correct |
41 ms |
34996 KB |
Output is correct |
107 |
Correct |
56 ms |
59672 KB |
Output is correct |
108 |
Correct |
51 ms |
60432 KB |
Output is correct |
109 |
Correct |
69 ms |
59692 KB |
Output is correct |
110 |
Correct |
62 ms |
60564 KB |
Output is correct |
111 |
Correct |
53 ms |
60948 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
1 ms |
592 KB |
Output is correct |
3 |
Correct |
161 ms |
48548 KB |
Output is correct |
4 |
Correct |
972 ms |
60588 KB |
Output is correct |
5 |
Correct |
879 ms |
30896 KB |
Output is correct |
6 |
Correct |
939 ms |
60584 KB |
Output is correct |
7 |
Correct |
1164 ms |
41736 KB |
Output is correct |
8 |
Correct |
1192 ms |
60568 KB |
Output is correct |
9 |
Correct |
1 ms |
592 KB |
Output is correct |
10 |
Correct |
0 ms |
592 KB |
Output is correct |
11 |
Correct |
1 ms |
592 KB |
Output is correct |
12 |
Correct |
2 ms |
592 KB |
Output is correct |
13 |
Correct |
2 ms |
592 KB |
Output is correct |
14 |
Correct |
2 ms |
720 KB |
Output is correct |
15 |
Correct |
2 ms |
720 KB |
Output is correct |
16 |
Correct |
2 ms |
720 KB |
Output is correct |
17 |
Correct |
1 ms |
720 KB |
Output is correct |
18 |
Incorrect |
2 ms |
720 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |