-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathSearchInRotatedSortedArray.java
More file actions
57 lines (43 loc) · 1.4 KB
/
SearchInRotatedSortedArray.java
File metadata and controls
57 lines (43 loc) · 1.4 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
public class Solution {
public int search(int[] A, int target) {
// Start typing your Java solution below
// DO NOT write main() function
if(A == null || A.length == 0) {
return -1;
}
int i = 0;
int j = A.length - 1;
while( i <= j) {
int mid = i + ( j - i) / 2;
int val = A[mid];
if(val == target) {
return mid;
} else if(val < target) {
if(A[mid] > A[j]) {
i = mid + 1;
} else {
if(A[j] == target) {
return j;
} else if(A[j] > target) {
i = mid + 1;
} else {
j = mid - 1;
}
}
} else {
if(A[mid] < A[i]) {
j = mid - 1;
} else {
if(A[i] == target) {
return i;
} else if(A[i] > target) {
i = mid + 1;
} else {
j = mid - 1;
}
}
}
}
return -1;
}
}