Design a vending machine using OOPS principles.
Lead Software Engineer In Test Interview Questions
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Asked question: Using an already implemented method Rand5() that generates a random integer between the ranges 1-5 uniformly. Using this method, implement a a new method that returns a random integer in the range 1-7 uniformly, i.e. Rand7(). Basically this is Rejection Sampling Algorithm. See http://leetcode.com/2010/11/rejection-sampling.html
Print all the combination of 110011111 number without repetitions in values using java/c within in 20 min in an optimal way
Roman to Int
Tree Data Structure
Write code to reverse a linked list from its mid point. So 1->2->3->4->5->6->7 becomes 1->2->3->7->6->5->4
Implement atoi()
String manipulation related questions were asked
find common ancestor in binary tree
Count no. of words in a string
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