If you have an unsorted array of numbers from 1-100, except 1 of those numbers is missing, how do you determine which number is missing
Softwareentwickler Cc Interview Questions
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Print a binary tree by vertical level order like 1 2 4 3 5 print : 3 2 1 5 4
Given a string find the first non-repeated character.
given an array of numbers to remove the duplicates
The questions were not very difficult but you really need to have all the concepts crystal-clear and be ready to apply them successfully. One of the questions was "how to count the letters in this string:" "The quick brown fox jumps over the lazy dog";
If you had a list of appointments (each appointment has a begin time, an end time, and a boolean hasConflict), how would you efficiently go through them and set the hasConflict boolean for each. You cannot assume they are sorted in any way. Keep in mind that one appointment may be very long, etc.
Phone interview question: Given a string pattern of 0s, 1s, and ?s (wildcards), generate all 0-1 strings that match this pattern. e.g. 1?00?101 -> [10000101, 10001101, 11000101, 11001101]. You can generate the strings in any order that suits you.
Given an array with length n-1 which contains integers of the range 1 to n. Each element is distinct and appears only once. One integer is missing. Find the missing integer in linear time using O(1) memory. Now two integers are missing, find them out in linear time using O(1) memory. How about three?
Given n sets of choices: (1,2,3), (2,3,4), (4,5) You pick one element from each set of choices. Generate all possible picking.
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