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Search in an almost Sorted Array
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Search in an almost Sorted Array.java
Java
class Solution {
public int findTarget(int arr[], int target) {
int left = 0;
int right = arr.length - 1;
while (left <= right) {
int mid = left + (right - left) / 2;
// Check if element is at mid, mid-1 or mid+1
if (arr[mid] == target) {
return mid;
}
if (mid > 0 && arr[mid - 1] == target) {
return mid - 1;
}
if (mid < arr.length - 1 && arr[mid + 1] == target) {
return mid + 1;
}
// Decide which half to go into
if (arr[mid] < target) {
left = mid + 2; // Skip both mid and mid+1
} else {
right = mid - 2; // Skip both mid and mid-1
}
}
return -1; // Target not found
}
}Advertisement
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