4) Given two linked lists that represent two big numbers (numbers that can not be stored in an int or long long int), write a function that adds the numbers and store the result in a third list.
Variations of above question like subtract two numbers or multiply two numbers represented by linked lists. – Practice here
9) Test case questions like test an ATM.
12) Given a sorted array of size n. Each element in array is unique and lies from 1 to n+1. Find the missing element. Write code and test cases for the same. – Practice here
15) Why do you want to join Microsoft? (See discussion here)
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