#include "jumps.h"
#include <bits/stdc++.h>
#define f first
#define s second
#define pii pair<int,int>
using namespace std;
const int N = 2e5+5;
int r[N],l[N],n,dist[N],F,ans,aft[2][N][20],Lg,a[N],tree[4*N],idx[N];
vector<int>V[N];
void build(int u,int l,int r){
if(l==r) {
tree[u] = a[l];
return;
}
int mid=(l+r)/2;
build(2*u,l,mid);
build(2*u+1,mid+1,r);
tree[u] = max(tree[2*u],tree[2*u+1]);
}
int getans(int u,int start,int end,int l,int r){
if(l>end || r<start) return 0;
if(start<=l && r<=end) return tree[u];
int mid = (l+r)/2;
return max(getans(2*u,start,end,l,mid),getans(2*u+1,start,end,mid+1,r));
}
void init(int NN, std::vector<int> H) {
n=NN;
for(int i=0;i<n;i++){
aft[0][i][0] = -1;
aft[1][i][0] = -1;
a[i]=H[i];
idx[a[i]] = i;
int x = i-1;
if(H[i]!=i+1) F=1;
while(x>=0 && H[x]<=H[i]) x = l[x];
l[i] = x;
if(x>=0) V[i].push_back(x);
}
build(1,0,n-1);
for(int i=n-1;i>=0;i--){
int x = i+1;
while(x<n && H[x]<H[i]) x = r[x];
r[i] = x;
if(x<n) V[i].push_back(x);
if(r[i]<n && l[i]>=0) {
aft[1][i][0] = r[i];
aft[0][i][0] = l[i];
if(H[r[i]] < H[l[i]]) swap(aft[1][i][0],aft[0][i][0]);
}
else if(r[i]<n) {
aft[1][i][0] = r[i];
}
else if(l[i]>=0){
aft[1][i][0] = l[i];
}
// cout<<i<<"__"<<aft[0][i][0]<<" "<<aft[1][i][0]<<endl;
}
Lg = log2(n)+1;
for(int f=0;f<2;f++){
for(int j=1;j<=Lg;j++)
for(int i=0;i<n;i++) {
if(aft[f][i][j-1]==-1) aft[f][i][j] = -1;
else aft[f][i][j]=aft[f][aft[f][i][j-1]][j-1];
}
}
}
int Up(int u,int f,int b,int c,int d){
for(int i=Lg;i>=0;i--){
if(u>=c && u<=d) return u;
if(aft[f][u][i]!=-1 && a[aft[f][u][i]] <= b ) ans += (1<<i),u=aft[f][u][i];
}
return u;
}
int minimum_jumps(int A, int B, int C, int D) {
if(!F) {
if(A>D ) return -1;
if(B<=C) return C-B;
return 0;
}
else { int c=C,d=D;
if(!(B<C || D<A)) return 0;
C = D = idx[getans(1,C,D,0,n-1)];
ans = 0;
if(A<=C && C<=B) return 0;
if(B<C) {
if(l[D] >= B) return -1;
A = getans(1,max(A,l[D]+1),B,0,n-1);
}
else {
if(r[D] <= A) return -1;
A= getans(1,A,min(B,r[D]-1),0,n-1);
}
A = idx[A];
// cout<<ans<<endl;
int x = Up(Up(A,1,a[C],c,d),0,a[C],c,d) ;
if(x>=c && x<=d) return ans;
return -1;
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4936 KB |
Output is correct |
2 |
Correct |
4 ms |
4936 KB |
Output is correct |
3 |
Correct |
224 ms |
40752 KB |
Output is correct |
4 |
Correct |
1252 ms |
49308 KB |
Output is correct |
5 |
Correct |
849 ms |
27288 KB |
Output is correct |
6 |
Correct |
1160 ms |
49276 KB |
Output is correct |
7 |
Correct |
915 ms |
35832 KB |
Output is correct |
8 |
Correct |
1217 ms |
49496 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4936 KB |
Output is correct |
2 |
Correct |
3 ms |
4936 KB |
Output is correct |
3 |
Correct |
3 ms |
4936 KB |
Output is correct |
4 |
Correct |
4 ms |
4936 KB |
Output is correct |
5 |
Incorrect |
5 ms |
4936 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4936 KB |
Output is correct |
2 |
Correct |
3 ms |
4936 KB |
Output is correct |
3 |
Correct |
3 ms |
4936 KB |
Output is correct |
4 |
Correct |
4 ms |
4936 KB |
Output is correct |
5 |
Incorrect |
5 ms |
4936 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4936 KB |
Output is correct |
2 |
Correct |
3 ms |
4936 KB |
Output is correct |
3 |
Correct |
3 ms |
4936 KB |
Output is correct |
4 |
Correct |
4 ms |
4936 KB |
Output is correct |
5 |
Correct |
119 ms |
41076 KB |
Output is correct |
6 |
Correct |
146 ms |
49304 KB |
Output is correct |
7 |
Correct |
61 ms |
27584 KB |
Output is correct |
8 |
Correct |
137 ms |
49220 KB |
Output is correct |
9 |
Correct |
16 ms |
11592 KB |
Output is correct |
10 |
Correct |
136 ms |
49392 KB |
Output is correct |
11 |
Correct |
118 ms |
49260 KB |
Output is correct |
12 |
Incorrect |
122 ms |
49216 KB |
Output isn't correct |
13 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5036 KB |
Output is correct |
2 |
Correct |
4 ms |
4936 KB |
Output is correct |
3 |
Correct |
4 ms |
4936 KB |
Output is correct |
4 |
Correct |
368 ms |
25280 KB |
Output is correct |
5 |
Correct |
1189 ms |
49216 KB |
Output is correct |
6 |
Correct |
779 ms |
12396 KB |
Output is correct |
7 |
Correct |
1277 ms |
49204 KB |
Output is correct |
8 |
Correct |
700 ms |
20600 KB |
Output is correct |
9 |
Correct |
998 ms |
49276 KB |
Output is correct |
10 |
Correct |
1216 ms |
49344 KB |
Output is correct |
11 |
Correct |
1451 ms |
49216 KB |
Output is correct |
12 |
Correct |
1509 ms |
49216 KB |
Output is correct |
13 |
Correct |
1229 ms |
49216 KB |
Output is correct |
14 |
Correct |
1265 ms |
49472 KB |
Output is correct |
15 |
Correct |
1096 ms |
49260 KB |
Output is correct |
16 |
Correct |
1127 ms |
49272 KB |
Output is correct |
17 |
Correct |
4 ms |
4936 KB |
Output is correct |
18 |
Correct |
4 ms |
4936 KB |
Output is correct |
19 |
Correct |
5 ms |
4936 KB |
Output is correct |
20 |
Correct |
7 ms |
5064 KB |
Output is correct |
21 |
Correct |
5 ms |
5064 KB |
Output is correct |
22 |
Correct |
6 ms |
5064 KB |
Output is correct |
23 |
Correct |
6 ms |
5064 KB |
Output is correct |
24 |
Correct |
6 ms |
5064 KB |
Output is correct |
25 |
Correct |
4 ms |
4960 KB |
Output is correct |
26 |
Correct |
4 ms |
5192 KB |
Output is correct |
27 |
Correct |
20 ms |
5448 KB |
Output is correct |
28 |
Correct |
32 ms |
5448 KB |
Output is correct |
29 |
Correct |
25 ms |
5448 KB |
Output is correct |
30 |
Correct |
24 ms |
5448 KB |
Output is correct |
31 |
Correct |
23 ms |
5448 KB |
Output is correct |
32 |
Correct |
4 ms |
4936 KB |
Output is correct |
33 |
Correct |
68 ms |
30456 KB |
Output is correct |
34 |
Correct |
151 ms |
49348 KB |
Output is correct |
35 |
Correct |
119 ms |
49344 KB |
Output is correct |
36 |
Correct |
137 ms |
49292 KB |
Output is correct |
37 |
Correct |
156 ms |
49272 KB |
Output is correct |
38 |
Correct |
118 ms |
49216 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5036 KB |
Output is correct |
2 |
Correct |
4 ms |
4936 KB |
Output is correct |
3 |
Correct |
4 ms |
4936 KB |
Output is correct |
4 |
Correct |
368 ms |
25280 KB |
Output is correct |
5 |
Correct |
1189 ms |
49216 KB |
Output is correct |
6 |
Correct |
779 ms |
12396 KB |
Output is correct |
7 |
Correct |
1277 ms |
49204 KB |
Output is correct |
8 |
Correct |
700 ms |
20600 KB |
Output is correct |
9 |
Correct |
998 ms |
49276 KB |
Output is correct |
10 |
Correct |
1216 ms |
49344 KB |
Output is correct |
11 |
Correct |
1451 ms |
49216 KB |
Output is correct |
12 |
Correct |
1509 ms |
49216 KB |
Output is correct |
13 |
Correct |
1229 ms |
49216 KB |
Output is correct |
14 |
Correct |
1265 ms |
49472 KB |
Output is correct |
15 |
Correct |
1096 ms |
49260 KB |
Output is correct |
16 |
Correct |
1127 ms |
49272 KB |
Output is correct |
17 |
Correct |
4 ms |
4936 KB |
Output is correct |
18 |
Correct |
4 ms |
4936 KB |
Output is correct |
19 |
Correct |
5 ms |
4936 KB |
Output is correct |
20 |
Correct |
7 ms |
5064 KB |
Output is correct |
21 |
Correct |
5 ms |
5064 KB |
Output is correct |
22 |
Correct |
6 ms |
5064 KB |
Output is correct |
23 |
Correct |
6 ms |
5064 KB |
Output is correct |
24 |
Correct |
6 ms |
5064 KB |
Output is correct |
25 |
Correct |
4 ms |
4960 KB |
Output is correct |
26 |
Correct |
4 ms |
5192 KB |
Output is correct |
27 |
Correct |
20 ms |
5448 KB |
Output is correct |
28 |
Correct |
32 ms |
5448 KB |
Output is correct |
29 |
Correct |
25 ms |
5448 KB |
Output is correct |
30 |
Correct |
24 ms |
5448 KB |
Output is correct |
31 |
Correct |
23 ms |
5448 KB |
Output is correct |
32 |
Correct |
4 ms |
4936 KB |
Output is correct |
33 |
Correct |
68 ms |
30456 KB |
Output is correct |
34 |
Correct |
151 ms |
49348 KB |
Output is correct |
35 |
Correct |
119 ms |
49344 KB |
Output is correct |
36 |
Correct |
137 ms |
49292 KB |
Output is correct |
37 |
Correct |
156 ms |
49272 KB |
Output is correct |
38 |
Correct |
118 ms |
49216 KB |
Output is correct |
39 |
Correct |
4 ms |
4992 KB |
Output is correct |
40 |
Correct |
4 ms |
4936 KB |
Output is correct |
41 |
Correct |
4 ms |
4936 KB |
Output is correct |
42 |
Correct |
316 ms |
25268 KB |
Output is correct |
43 |
Correct |
1026 ms |
49216 KB |
Output is correct |
44 |
Correct |
856 ms |
12488 KB |
Output is correct |
45 |
Correct |
1014 ms |
49216 KB |
Output is correct |
46 |
Correct |
512 ms |
20548 KB |
Output is correct |
47 |
Correct |
1196 ms |
49344 KB |
Output is correct |
48 |
Correct |
1080 ms |
49216 KB |
Output is correct |
49 |
Correct |
1147 ms |
49404 KB |
Output is correct |
50 |
Correct |
1218 ms |
49272 KB |
Output is correct |
51 |
Correct |
1252 ms |
49216 KB |
Output is correct |
52 |
Correct |
1281 ms |
49308 KB |
Output is correct |
53 |
Correct |
1020 ms |
49272 KB |
Output is correct |
54 |
Correct |
888 ms |
49216 KB |
Output is correct |
55 |
Correct |
4 ms |
4936 KB |
Output is correct |
56 |
Correct |
206 ms |
49088 KB |
Output is correct |
57 |
Correct |
979 ms |
49216 KB |
Output is correct |
58 |
Correct |
497 ms |
12960 KB |
Output is correct |
59 |
Correct |
1010 ms |
49276 KB |
Output is correct |
60 |
Correct |
361 ms |
21056 KB |
Output is correct |
61 |
Correct |
1054 ms |
49344 KB |
Output is correct |
62 |
Correct |
1116 ms |
49264 KB |
Output is correct |
63 |
Correct |
1486 ms |
49216 KB |
Output is correct |
64 |
Correct |
1225 ms |
49276 KB |
Output is correct |
65 |
Correct |
1233 ms |
49404 KB |
Output is correct |
66 |
Correct |
1231 ms |
49324 KB |
Output is correct |
67 |
Correct |
1280 ms |
49216 KB |
Output is correct |
68 |
Correct |
1137 ms |
49420 KB |
Output is correct |
69 |
Correct |
4 ms |
4936 KB |
Output is correct |
70 |
Correct |
4 ms |
4936 KB |
Output is correct |
71 |
Correct |
5 ms |
5064 KB |
Output is correct |
72 |
Correct |
6 ms |
5064 KB |
Output is correct |
73 |
Correct |
7 ms |
5064 KB |
Output is correct |
74 |
Correct |
6 ms |
5064 KB |
Output is correct |
75 |
Correct |
5 ms |
5064 KB |
Output is correct |
76 |
Correct |
4 ms |
4936 KB |
Output is correct |
77 |
Correct |
4 ms |
5052 KB |
Output is correct |
78 |
Correct |
6 ms |
4936 KB |
Output is correct |
79 |
Correct |
7 ms |
5064 KB |
Output is correct |
80 |
Correct |
6 ms |
5064 KB |
Output is correct |
81 |
Correct |
6 ms |
5064 KB |
Output is correct |
82 |
Correct |
6 ms |
5064 KB |
Output is correct |
83 |
Correct |
6 ms |
5064 KB |
Output is correct |
84 |
Correct |
4 ms |
5064 KB |
Output is correct |
85 |
Correct |
7 ms |
5064 KB |
Output is correct |
86 |
Correct |
29 ms |
5448 KB |
Output is correct |
87 |
Correct |
31 ms |
5448 KB |
Output is correct |
88 |
Correct |
32 ms |
5448 KB |
Output is correct |
89 |
Correct |
31 ms |
5448 KB |
Output is correct |
90 |
Correct |
27 ms |
5448 KB |
Output is correct |
91 |
Correct |
4 ms |
5064 KB |
Output is correct |
92 |
Correct |
4 ms |
5192 KB |
Output is correct |
93 |
Correct |
30 ms |
5448 KB |
Output is correct |
94 |
Correct |
30 ms |
5448 KB |
Output is correct |
95 |
Correct |
24 ms |
5448 KB |
Output is correct |
96 |
Correct |
33 ms |
5448 KB |
Output is correct |
97 |
Correct |
23 ms |
5448 KB |
Output is correct |
98 |
Correct |
4 ms |
4936 KB |
Output is correct |
99 |
Correct |
137 ms |
49216 KB |
Output is correct |
100 |
Correct |
135 ms |
49216 KB |
Output is correct |
101 |
Correct |
118 ms |
49280 KB |
Output is correct |
102 |
Correct |
136 ms |
49276 KB |
Output is correct |
103 |
Correct |
142 ms |
49256 KB |
Output is correct |
104 |
Correct |
123 ms |
49312 KB |
Output is correct |
105 |
Correct |
4 ms |
4936 KB |
Output is correct |
106 |
Correct |
72 ms |
30400 KB |
Output is correct |
107 |
Correct |
138 ms |
49216 KB |
Output is correct |
108 |
Correct |
126 ms |
49216 KB |
Output is correct |
109 |
Correct |
140 ms |
49276 KB |
Output is correct |
110 |
Correct |
146 ms |
49276 KB |
Output is correct |
111 |
Correct |
117 ms |
49344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4936 KB |
Output is correct |
2 |
Correct |
4 ms |
4936 KB |
Output is correct |
3 |
Correct |
224 ms |
40752 KB |
Output is correct |
4 |
Correct |
1252 ms |
49308 KB |
Output is correct |
5 |
Correct |
849 ms |
27288 KB |
Output is correct |
6 |
Correct |
1160 ms |
49276 KB |
Output is correct |
7 |
Correct |
915 ms |
35832 KB |
Output is correct |
8 |
Correct |
1217 ms |
49496 KB |
Output is correct |
9 |
Correct |
4 ms |
4936 KB |
Output is correct |
10 |
Correct |
3 ms |
4936 KB |
Output is correct |
11 |
Correct |
3 ms |
4936 KB |
Output is correct |
12 |
Correct |
4 ms |
4936 KB |
Output is correct |
13 |
Incorrect |
5 ms |
4936 KB |
Output isn't correct |
14 |
Halted |
0 ms |
0 KB |
- |