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Merge pull request #66 from yashashwini16/main
added Rotated_sorted_array.java
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import java.util.Scanner; | ||
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public class RotatedArraySearch { | ||
public static int searchInRotatedArray(int[] nums, int target) { | ||
int left = 0; | ||
int right = nums.length - 1; | ||
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while (left <= right) { | ||
int mid = left + (right - left) / 2; | ||
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if (nums[mid] == target) { | ||
return mid; | ||
} else if (nums[left] <= nums[mid]) { | ||
if (nums[left] <= target && target < nums[mid]) { | ||
right = mid - 1; | ||
} else { | ||
left = mid + 1; | ||
} | ||
} else { | ||
if (nums[mid] < target && target <= nums[right]) { | ||
left = mid + 1; | ||
} else { | ||
right = mid - 1; | ||
} | ||
} | ||
} | ||
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return -1; | ||
} | ||
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public static void main(String[] args) { | ||
Scanner scanner = new Scanner(System.in); | ||
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// Input: Size of the rotated sorted array | ||
System.out.print("Enter the size of the rotated sorted array: "); | ||
int size = scanner.nextInt(); | ||
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int[] nums = new int[size]; | ||
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// Input: Elements of the rotated sorted array | ||
System.out.print("Enter the elements of the rotated sorted array: "); | ||
for (int i = 0; i < size; i++) { | ||
nums[i] = scanner.nextInt(); | ||
} | ||
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// Input: Target element to search | ||
System.out.print("Enter the target element to search: "); | ||
int target = scanner.nextInt(); | ||
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// Find the index of the target element using the searchInRotatedArray function | ||
int index = searchInRotatedArray(nums, target); | ||
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// Output: Print the result | ||
if (index != -1) { | ||
System.out.println("Element " + target + " found at index " + index); | ||
} else { | ||
System.out.println("Element " + target + " not found in the array"); | ||
} | ||
} | ||
} |