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First and last occurrences of X
Submissions: 13271   Accuracy:


  Difficulty: Basic   Marks: 1

Given a sorted array with possibly duplicate elements, the task is to find indexes of first and last occurrences of an element x in the given array.

Note: If the number x is not found in the array just print '-1'.

The first line consists of an integer T i.e number of test cases. The first line of each test case contains two integers n and x. The second line contains n spaced integers.

Print index of the first and last occurrences of the number x with a space in between.



9 5
1 3 5 5 5 5 67 123 125
9 7
1 3 5 5 5 5 7 123 125

2 5
6 6

** For More Input/Output Examples Use 'Expected Output' option **

Contributor: Saksham Ashtputre
Author: saksham0751

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