IDFC FIRST Bank Applications Engineer Interview Questions and Answers

Aptitude computer fundamentals and 2 coding questions

Q1. Product of array except itself
Ans. 
Calculate the product of all elements in an array except the element itself.
• Iterate through the array and calculate the product of all elements except the current element.

• Use two separate arrays to store the product of elements to the left and right of the current element.

• Multiply the corresponding elements from the left and right arrays to get the final result.
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Q2. Add Numbers as Strings
Ans. 
Concatenate numbers represented as strings to get the sum.
• Convert strings to integers, add them, then convert back to string.

• Handle carry over when adding digits.

• Consider edge cases like leading zeros or empty strings.
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Graph and trees ques

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Q1. What's your fav subject
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