Marks Engineering Works System Operator Interview Questions and Answers

Linked list reverse, core C++ and tricks
Design problem

Q1. C++ basics , OOP, design constructs
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Q2. DSA- array sum of balance
Ans. 
Calculate the sum of balances in an array of strings representing financial transactions.
• Iterate through the array of strings and extract the balance from each transaction.

• Convert the balance strings to numbers and sum them up to get the total balance.

• Handle any potential errors or invalid data in the array.
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