Intersection of n sets without using a hash table.
Ingegneria Interview Questions
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Get numeric number out of a roman string, linear time Given: mapping I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000 Input/Output: II = 2, III = 3, IV = 4 VI, VII, VIII IX = 9 XL = 40, XLIX = 49
Getting maximum and minimun number was not difficult but getting less than n comparison was tricky.
The initial question (writing a function to calculate a square root) ended up being the most difficult because it threw me off. I knew there was a good iterative method for doing so, but could not recall Newton's method in the moment, and I sadly let this nagging thought get in the way of my ability to work through the problem. My failure to perform well on that question set a negative tone for the rest of the interview, since each interviewer after the first can see notes from the previous interviewers.
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You have a 64bit interger counter set to 0. How long it will take to overflow the counter given that you are incrementing it at 4Ghz speed.
Given an unsorted array of integers, find first two numbers in the array that equal a given sum.
Interviewer ask me to solve some permutation related problems. 1) Algorithm to get Index of a permutation when all permutations arranged in lexicographical order and its complexity
integer partiontioing given N (a integer) how many ways you can write as N summation of other numbers 5 = 1+ 2 +2 = 2+ 2 + 1 = 1 + 3 +1 = 1 + 4 etc.. write C code to print every combination
Given an array, print the largest subarray that has elements in an increasing order
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