You have 2 light bulbs. You are in multistory building such that if you drop a bulb from a floor of a certain height or higher the bulb will break: for ex: if the bulb will break at a minimum height of 10th floor, then the bulb will break if dropped only if dropped from a floor higher than tenth floor. it will not break if dropped from ninth floor or less. using the two bulbs how will you figure out at which floor will the bulb break?
Phone interview 1 : a) Simulate a Queue with stacks ? b)Find repeated occurrence of character in a string ? Phone interview 2 : a) Given a 2D matrix of numbers find the position of number . Constraints of matrix number always in increasing order left to right and top to bottom . b)When should version control be used . And a tricky discreet math problem ?
One independent survey showed that 70% on people asked like coffee. Another independent survey showed that 80% of people like tea. What is the upper and lower bound of peoples who likes both coffee and tea
Given the daily values of a stock, find how you can lose the most with one buy-sell trading.
Quiz
Given an array of integers eg [1,2,-3,1] find whether there is a sub-sequence that sums to 0 and return it (eg 1,2,-3 or 2,-3,1) Checking every sub-sequence is O(n^2) which is too inefficient
Function to compute the number of ways to climb a flight of n steps. Taking 1, 2, or 3 steps at a time. Do it in Linear time and constant space. n = 3. 1 1 1 1 2 2 1 3 Ans = 4
Given an array, without using extra space, move all zeros to the end and no-zeros to the beginning. The function should return the number of non-zeros.
Why do you want to join Wipro ? and please don't give me crap answers !
Just data structure and algorithms questions
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