1. Expression Equality Checker Given two strings representing expressions in variables, determine if they are equivalent. Return 'YES' if the expressions are identical and 'NO' if they are different. Each expression consists of lowercase alphabets, '+', '-', and parentheses. Assume at most 26 unique operands, ranging from 'a' to 'z'. Explanation: Two expressions are considered equivalent if they yield the same result when evaluated with any given assignments to their variables. Input: The first line contains an integer T, the number of test cases.For each test case:- First line: a string S1 representing the first expression- Second line: a string S2 representing the second expression Output: For each test case, output 'YES' if the expressions are equivalent, otherwise 'NO'. Each result should be on a separate line. Example: Input:2(a + (b + c))a + b + c-(a-b+c)c-b-aOutput:YESNO Constraints: 1 ≤ T ≤ 10 1 ≤ |S1|, |S2| ≤ 1000 Time Limit: 1 sec Note: Expressions are evaluated following the BODMAS rule.
2. Given an array, find the minimum number of swaps required to sort it.
3. 1. How Hands on technologies even now ? can you work and troubleshoot issues individually ? 2. Management Approach & Leadership skills demonstration to Org Competencies ? 3. Current Technology vs Skills vs Gap's if any ? 4. Driving Big Initiatives, Client Approach ? customer Based product development mindset ? 5. How big you can think ? 6. how can you contribute to product development ? what could be your approach ? documentation ? 7. How much you are aware of information security and best practices ? 8. What can you bring to Mgmt Table ? Cost ? culture ? Upskilling ? Product enhancement ? Security ?
4. What is regression testing?
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