#include "jumps.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> ii;
int nextGreater[200005][20];
int prevGreater[200005][20];
int indx[200005];
int log2_[200005];
ii val[200005][20];
int best[200005][20];
int A1[200005];
int M;
void init2(){
for(int i = 0; i < M; i ++){
val[i][0] = ii(A1[i], i);
}
for(int k = 1; k < 20; k ++){
for(int i = 0; i <= M-(1<<k); i ++){
val[i][k] = max(val[i][k-1], val[i+(1<<(k-1))][k-1]);
}
}
log2_[1] = 0;
for(int i = 2; i <= M; i ++){
log2_[i] = log2_[i>>1] + 1;
}
}
ii findMax(int l, int r){
int k = log2_[r-l+1];
return max(val[l][k], val[r-(1<<k)+1][k]);
}
vector<int> AdjList[200005];
void init(int N, std::vector<int> H){
M = N;
for(int i = 0; i < N; i ++){
A1[i] = H[i];
}
init2();
for(int i = 0; i < N; i ++){
nextGreater[i][0] = N;
prevGreater[i][0] = -1;
}
vector<ii> stack1 = vector<ii>();
for(int i = 0; i < N; i ++){
while(!stack1.empty()){
ii temp = stack1.back();
if(temp.first < H[i]){
nextGreater[temp.second][0] = i;
stack1.pop_back();
}else{
break;
}
}
AdjList[H[i]].push_back(i);
AdjList[i].push_back(H[i]);
stack1.emplace_back(H[i], i);
}
stack1 = vector<ii>();
for(int i = N-1; i >= 0; i --){
while(!stack1.empty()){
ii temp = stack1.back();
if(temp.first < H[i]){
prevGreater[temp.second][0] = i;
stack1.pop_back();
}else{
break;
}
}
stack1.emplace_back(H[i], i);
}
/*for(int i = 0; i < N; i ++){
printf("nextGreater[%d]=%d\n", i, nextGreater[i][0]);
}
for(int i = 0; i < N; i ++){
printf("prevGreater[%d]=%d\n", i, prevGreater[i][0]);
}*/
for(int k = 1; k < 20; k ++){
for(int i = 0; i < N; i ++){
if(nextGreater[i][k-1] == N){
nextGreater[i][k] = N;
}else{
nextGreater[i][k] = nextGreater[nextGreater[i][k-1]][k-1];
}
if(prevGreater[i][k-1] == -1){
prevGreater[i][k] = -1;
}else{
prevGreater[i][k] = prevGreater[prevGreater[i][k-1]][k-1];
}
}
}
for(int i = 0; i < N; i ++){
best[i][0] = -1;
}
}
int minimum_jumps(int A, int B, int C, int D){
assert(0 <= A && A <= B && B < C && C <= D && D <= M-1);
ii maxValCD = findMax(C, D);
int maxIndxCD = prevGreater[maxValCD.second][0];
//printf("maxValCD=%d\n", maxValCD);
A = max(maxIndxCD+1, A);
if(A > B){return -1;}
ii maxValAB = findMax(A, B);
int X = maxValAB.second;
int ans = 0;
int X2 = X;
while(X2 < C){
int X3, X4;
if(prevGreater[X2][0] == -1){
X3 = nextGreater[X2][0];
X4 = prevGreater[X2][0];
}else if(nextGreater[X2][0] == M){
X3 = prevGreater[X2][0];
X4 = nextGreater[X2][0];
}else if(A1[prevGreater[X2][0]] > A1[nextGreater[X2][0]]){
X3 = prevGreater[X2][0];
X4 = nextGreater[X2][0];
}else{
X3 = nextGreater[X2][0];
X4 = prevGreater[X2][0];
}
//printf("X2=%d; X3=%d; X4=%d\n", X2, X3, X4);
if(X4 >= C && X4 <= D){
X2 = X4;
}else if(A1[X3] > maxValCD.first){
X2 = X4;
}else{
X2 = X3;
}
//printf("X2=%d\n", X2);
ans ++;
assert(X2 >= 0 && X2 < M);
}
return ans;
}
# |
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 |
Execution timed out |
4042 ms |
76132 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4936 KB |
Output is correct |
2 |
Correct |
4 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 |
6 ms |
4936 KB |
Output is correct |
6 |
Correct |
8 ms |
5064 KB |
Output is correct |
7 |
Correct |
5 ms |
5064 KB |
Output is correct |
8 |
Correct |
8 ms |
5064 KB |
Output is correct |
9 |
Correct |
5 ms |
5064 KB |
Output is correct |
10 |
Correct |
6 ms |
5064 KB |
Output is correct |
11 |
Correct |
6 ms |
5064 KB |
Output is correct |
12 |
Correct |
6 ms |
5064 KB |
Output is correct |
13 |
Correct |
8 ms |
5064 KB |
Output is correct |
14 |
Correct |
10 ms |
5064 KB |
Output is correct |
15 |
Correct |
7 ms |
5064 KB |
Output is correct |
16 |
Correct |
7 ms |
5064 KB |
Output is correct |
17 |
Correct |
5 ms |
5064 KB |
Output is correct |
18 |
Correct |
4 ms |
4936 KB |
Output is correct |
19 |
Correct |
3 ms |
4936 KB |
Output is correct |
20 |
Correct |
8 ms |
5064 KB |
Output is correct |
21 |
Correct |
8 ms |
5064 KB |
Output is correct |
22 |
Correct |
6 ms |
5064 KB |
Output is correct |
23 |
Correct |
7 ms |
5064 KB |
Output is correct |
24 |
Correct |
6 ms |
5064 KB |
Output is correct |
25 |
Correct |
3 ms |
5000 KB |
Output is correct |
26 |
Correct |
3 ms |
4936 KB |
Output is correct |
27 |
Correct |
6 ms |
4936 KB |
Output is correct |
28 |
Correct |
5 ms |
5064 KB |
Output is correct |
29 |
Correct |
6 ms |
5064 KB |
Output is correct |
30 |
Correct |
6 ms |
5064 KB |
Output is correct |
31 |
Correct |
6 ms |
5064 KB |
Output is correct |
32 |
Correct |
6 ms |
5064 KB |
Output is correct |
33 |
Correct |
3 ms |
4936 KB |
Output is correct |
34 |
Correct |
4 ms |
5064 KB |
Output is correct |
35 |
Correct |
5 ms |
5064 KB |
Output is correct |
36 |
Correct |
5 ms |
5064 KB |
Output is correct |
37 |
Correct |
4 ms |
5064 KB |
Output is correct |
38 |
Correct |
4 ms |
5064 KB |
Output is correct |
39 |
Correct |
4 ms |
5064 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4936 KB |
Output is correct |
2 |
Correct |
4 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 |
6 ms |
4936 KB |
Output is correct |
6 |
Correct |
8 ms |
5064 KB |
Output is correct |
7 |
Correct |
5 ms |
5064 KB |
Output is correct |
8 |
Correct |
8 ms |
5064 KB |
Output is correct |
9 |
Correct |
5 ms |
5064 KB |
Output is correct |
10 |
Correct |
6 ms |
5064 KB |
Output is correct |
11 |
Correct |
6 ms |
5064 KB |
Output is correct |
12 |
Correct |
6 ms |
5064 KB |
Output is correct |
13 |
Correct |
8 ms |
5064 KB |
Output is correct |
14 |
Correct |
10 ms |
5064 KB |
Output is correct |
15 |
Correct |
7 ms |
5064 KB |
Output is correct |
16 |
Correct |
7 ms |
5064 KB |
Output is correct |
17 |
Correct |
5 ms |
5064 KB |
Output is correct |
18 |
Correct |
4 ms |
4936 KB |
Output is correct |
19 |
Correct |
3 ms |
4936 KB |
Output is correct |
20 |
Correct |
8 ms |
5064 KB |
Output is correct |
21 |
Correct |
8 ms |
5064 KB |
Output is correct |
22 |
Correct |
6 ms |
5064 KB |
Output is correct |
23 |
Correct |
7 ms |
5064 KB |
Output is correct |
24 |
Correct |
6 ms |
5064 KB |
Output is correct |
25 |
Correct |
3 ms |
5000 KB |
Output is correct |
26 |
Correct |
3 ms |
4936 KB |
Output is correct |
27 |
Correct |
6 ms |
4936 KB |
Output is correct |
28 |
Correct |
5 ms |
5064 KB |
Output is correct |
29 |
Correct |
6 ms |
5064 KB |
Output is correct |
30 |
Correct |
6 ms |
5064 KB |
Output is correct |
31 |
Correct |
6 ms |
5064 KB |
Output is correct |
32 |
Correct |
6 ms |
5064 KB |
Output is correct |
33 |
Correct |
3 ms |
4936 KB |
Output is correct |
34 |
Correct |
4 ms |
5064 KB |
Output is correct |
35 |
Correct |
5 ms |
5064 KB |
Output is correct |
36 |
Correct |
5 ms |
5064 KB |
Output is correct |
37 |
Correct |
4 ms |
5064 KB |
Output is correct |
38 |
Correct |
4 ms |
5064 KB |
Output is correct |
39 |
Correct |
4 ms |
5064 KB |
Output is correct |
40 |
Correct |
3 ms |
4936 KB |
Output is correct |
41 |
Correct |
3 ms |
4936 KB |
Output is correct |
42 |
Correct |
4 ms |
4936 KB |
Output is correct |
43 |
Correct |
4 ms |
5028 KB |
Output is correct |
44 |
Correct |
5 ms |
4936 KB |
Output is correct |
45 |
Correct |
8 ms |
5064 KB |
Output is correct |
46 |
Correct |
5 ms |
5064 KB |
Output is correct |
47 |
Correct |
6 ms |
5064 KB |
Output is correct |
48 |
Correct |
4 ms |
5064 KB |
Output is correct |
49 |
Correct |
5 ms |
5064 KB |
Output is correct |
50 |
Correct |
6 ms |
5064 KB |
Output is correct |
51 |
Correct |
5 ms |
5064 KB |
Output is correct |
52 |
Correct |
4 ms |
5064 KB |
Output is correct |
53 |
Correct |
8 ms |
5064 KB |
Output is correct |
54 |
Correct |
7 ms |
5064 KB |
Output is correct |
55 |
Correct |
8 ms |
5064 KB |
Output is correct |
56 |
Correct |
8 ms |
5064 KB |
Output is correct |
57 |
Correct |
4 ms |
5064 KB |
Output is correct |
58 |
Correct |
27 ms |
5704 KB |
Output is correct |
59 |
Correct |
33 ms |
5832 KB |
Output is correct |
60 |
Correct |
6 ms |
5320 KB |
Output is correct |
61 |
Correct |
22 ms |
5832 KB |
Output is correct |
62 |
Correct |
23 ms |
5064 KB |
Output is correct |
63 |
Correct |
35 ms |
5832 KB |
Output is correct |
64 |
Correct |
23 ms |
5832 KB |
Output is correct |
65 |
Correct |
26 ms |
5832 KB |
Output is correct |
66 |
Correct |
27 ms |
5832 KB |
Output is correct |
67 |
Correct |
24 ms |
5832 KB |
Output is correct |
68 |
Correct |
16 ms |
5832 KB |
Output is correct |
69 |
Correct |
24 ms |
5832 KB |
Output is correct |
70 |
Correct |
33 ms |
5832 KB |
Output is correct |
71 |
Correct |
3 ms |
4936 KB |
Output is correct |
72 |
Correct |
4 ms |
4936 KB |
Output is correct |
73 |
Correct |
8 ms |
5100 KB |
Output is correct |
74 |
Correct |
5 ms |
5064 KB |
Output is correct |
75 |
Correct |
5 ms |
5064 KB |
Output is correct |
76 |
Correct |
5 ms |
5064 KB |
Output is correct |
77 |
Correct |
5 ms |
5064 KB |
Output is correct |
78 |
Correct |
3 ms |
4936 KB |
Output is correct |
79 |
Correct |
3 ms |
4936 KB |
Output is correct |
80 |
Correct |
6 ms |
4936 KB |
Output is correct |
81 |
Correct |
6 ms |
5064 KB |
Output is correct |
82 |
Correct |
5 ms |
5064 KB |
Output is correct |
83 |
Correct |
6 ms |
5064 KB |
Output is correct |
84 |
Correct |
6 ms |
5064 KB |
Output is correct |
85 |
Correct |
5 ms |
5064 KB |
Output is correct |
86 |
Correct |
3 ms |
4936 KB |
Output is correct |
87 |
Correct |
5 ms |
5064 KB |
Output is correct |
88 |
Correct |
4 ms |
5064 KB |
Output is correct |
89 |
Correct |
4 ms |
5064 KB |
Output is correct |
90 |
Correct |
3 ms |
5064 KB |
Output is correct |
91 |
Correct |
4 ms |
5064 KB |
Output is correct |
92 |
Correct |
6 ms |
5120 KB |
Output is correct |
93 |
Correct |
3 ms |
5064 KB |
Output is correct |
94 |
Correct |
7 ms |
5064 KB |
Output is correct |
95 |
Correct |
32 ms |
5832 KB |
Output is correct |
96 |
Correct |
27 ms |
5832 KB |
Output is correct |
97 |
Correct |
39 ms |
5984 KB |
Output is correct |
98 |
Correct |
27 ms |
5832 KB |
Output is correct |
99 |
Correct |
15 ms |
5832 KB |
Output is correct |
100 |
Correct |
4 ms |
5064 KB |
Output is correct |
101 |
Correct |
5 ms |
5320 KB |
Output is correct |
102 |
Correct |
15 ms |
5832 KB |
Output is correct |
103 |
Correct |
26 ms |
5832 KB |
Output is correct |
104 |
Correct |
27 ms |
5832 KB |
Output is correct |
105 |
Correct |
26 ms |
5832 KB |
Output is correct |
106 |
Correct |
31 ms |
5904 KB |
Output is correct |
107 |
Correct |
4 ms |
5064 KB |
Output is correct |
108 |
Correct |
4 ms |
5456 KB |
Output is correct |
109 |
Correct |
4 ms |
5832 KB |
Output is correct |
110 |
Correct |
5 ms |
5832 KB |
Output is correct |
111 |
Correct |
4 ms |
5832 KB |
Output is correct |
112 |
Correct |
5 ms |
5832 KB |
Output is correct |
113 |
Correct |
5 ms |
5832 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 |
5 ms |
4936 KB |
Output is correct |
4 |
Correct |
5 ms |
4936 KB |
Output is correct |
5 |
Correct |
237 ms |
75508 KB |
Output is correct |
6 |
Correct |
264 ms |
92712 KB |
Output is correct |
7 |
Correct |
133 ms |
49788 KB |
Output is correct |
8 |
Correct |
231 ms |
92540 KB |
Output is correct |
9 |
Correct |
23 ms |
18156 KB |
Output is correct |
10 |
Correct |
224 ms |
92656 KB |
Output is correct |
11 |
Correct |
212 ms |
94256 KB |
Output is correct |
12 |
Correct |
176 ms |
93872 KB |
Output is correct |
13 |
Correct |
201 ms |
93876 KB |
Output is correct |
14 |
Correct |
279 ms |
92540 KB |
Output is correct |
15 |
Correct |
208 ms |
94496 KB |
Output is correct |
16 |
Correct |
224 ms |
92860 KB |
Output is correct |
17 |
Correct |
210 ms |
93052 KB |
Output is correct |
18 |
Correct |
3 ms |
4936 KB |
Output is correct |
19 |
Correct |
4 ms |
5064 KB |
Output is correct |
20 |
Correct |
4 ms |
5064 KB |
Output is correct |
21 |
Correct |
3 ms |
5064 KB |
Output is correct |
22 |
Correct |
4 ms |
5064 KB |
Output is correct |
23 |
Correct |
5 ms |
5064 KB |
Output is correct |
24 |
Correct |
4 ms |
5064 KB |
Output is correct |
25 |
Correct |
4 ms |
5084 KB |
Output is correct |
26 |
Correct |
5 ms |
5320 KB |
Output is correct |
27 |
Correct |
6 ms |
5832 KB |
Output is correct |
28 |
Correct |
6 ms |
5960 KB |
Output is correct |
29 |
Correct |
4 ms |
5832 KB |
Output is correct |
30 |
Correct |
4 ms |
5832 KB |
Output is correct |
31 |
Correct |
5 ms |
5832 KB |
Output is correct |
32 |
Correct |
4 ms |
4936 KB |
Output is correct |
33 |
Correct |
253 ms |
92664 KB |
Output is correct |
34 |
Correct |
282 ms |
92624 KB |
Output is correct |
35 |
Correct |
198 ms |
93956 KB |
Output is correct |
36 |
Correct |
233 ms |
92632 KB |
Output is correct |
37 |
Correct |
244 ms |
94436 KB |
Output is correct |
38 |
Correct |
204 ms |
92624 KB |
Output is correct |
39 |
Correct |
3 ms |
4936 KB |
Output is correct |
40 |
Correct |
130 ms |
55716 KB |
Output is correct |
41 |
Correct |
287 ms |
92672 KB |
Output is correct |
42 |
Correct |
183 ms |
94092 KB |
Output is correct |
43 |
Correct |
258 ms |
92672 KB |
Output is correct |
44 |
Correct |
260 ms |
94428 KB |
Output is correct |
45 |
Correct |
199 ms |
92748 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4936 KB |
Output is correct |
2 |
Correct |
3 ms |
4936 KB |
Output is correct |
3 |
Correct |
4 ms |
4936 KB |
Output is correct |
4 |
Correct |
409 ms |
45048 KB |
Output is correct |
5 |
Correct |
1515 ms |
92616 KB |
Output is correct |
6 |
Correct |
845 ms |
19400 KB |
Output is correct |
7 |
Correct |
1434 ms |
92612 KB |
Output is correct |
8 |
Correct |
764 ms |
35136 KB |
Output is correct |
9 |
Correct |
1456 ms |
92556 KB |
Output is correct |
10 |
Execution timed out |
4008 ms |
94320 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4936 KB |
Output is correct |
2 |
Correct |
3 ms |
4936 KB |
Output is correct |
3 |
Correct |
4 ms |
4936 KB |
Output is correct |
4 |
Correct |
409 ms |
45048 KB |
Output is correct |
5 |
Correct |
1515 ms |
92616 KB |
Output is correct |
6 |
Correct |
845 ms |
19400 KB |
Output is correct |
7 |
Correct |
1434 ms |
92612 KB |
Output is correct |
8 |
Correct |
764 ms |
35136 KB |
Output is correct |
9 |
Correct |
1456 ms |
92556 KB |
Output is correct |
10 |
Execution timed out |
4008 ms |
94320 KB |
Time limit exceeded |
11 |
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 |
Execution timed out |
4042 ms |
76132 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |