Given an array of numbers, there is one number that has a duplicate. How would you find the number?
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Find if there are two members of an array that sum to 10 (10 and 0 count, but 10 alone does not).
Hardest things to unit test
Given two sorted integer arrays, write an algorithm to get back the intersection.
How to find anagrams in a sentence ?
Mostly the concepts of array and string manipulation. You are given an array with distinct numbers between 1 to 100. You have to return You have to return a string which says the number's range which are not in the given array separated by comma. Eg: Input: [50,75] Output: (0-49,51-74,76-100)
Search a target number in a Rotated Sorted Array.
/* Some examples: isMatch(“aa”,”a”) ? false isMatch(“aa”,”aa”) ? true isMatch(“aaa”,”aa”) ? false isMatch(“aa”, “a*”) ? true isMatch(“aa”, “.*”) ? true isMatch(“ab”, “.*”) ? true isMatch(“aab”, “c*a*b”) ? true Write isMatch() */
Given a list of words, find whether a new word is anagram of word in list.
Please implement a function to generate the 3-digits numbers with no duplicate digits and no duplicate permutation. For example: 122 is not allowed and 123 321 is not allow, only output one of the permutations.
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