Write a program to find the square root of a double.
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Write a function to search for a string within another string. Analyze it's complexity, and propose optimizations.
Q1) Find the number of unique days each employee worked Emp Id Task Id Start date End date 1 1 Monday Wednesday 1 2 Monday Tuesday 1 3 Friday Friday 2 1 Monday Friday 2 1 Tuesday Wednesday Hint: Calendar day table or date dimension table Calendar_day Calendar_day_of_week Calendar_year Calendar_month 1900/01/01 Wednesday (3) 1990 1 Q2) How many customers placed orders every month? Table 1: Customer Date customer_id order_id units country 2019/07/01 A 112 5 US 2019/07/02 A 211 4 US 2019/08/02 B 511 4 EU 2019/09/01 C 322 1 JP 2019/09/01 C 322 2 JP 2019/08/05 A 378 6 US 2019/09/10 A 456 7 US
given an arrya of numbers see if you can get to index with 0 in it from an index by jumping through the array using the values in the array. So if you have [1,2,1,0,3] you can get to 0, from 0 by jumping 0, you can get to 0 from 3, by jumping 3 index down to 2 and then jumping 2 index up to 0...
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Find the median of unsorted array in O(nlog n ) time. You need to know that particular mathematical algorithm, anything slower your answer is rejected.
(Phone screen questions) 1. For a given binary tree, print paths from root to all leaf nodes, one path per line. 2. Given a sequence of positive integers "seq" and an integer "total", return whether a contiguous sequence of "seq" sums up to "total". (Onsite interview questions are covered by NDA therefore can't post, but it can be said that the knowledge of data structures and handling edge cases are important for the coding interviews)
Given a collection of words, return a collection of anagrams found in the given collection
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