Look for a string in a very long string - a needle in a haystack. Write the program in pseudo-code.
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Implement a method called printNonComments() which prints out a extract of text with comments removed. For example, the input: hello /* this is a multi line comment */ all Should produce: hello all You have access to a method called getNextLine() which returns the next line in the input string.
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1. Given a string, find the smallest window with greatest no. of distinct characters 2. k sorted array. 3. longest distance between a node and its ancestor.
Classix 2 eggs problem . * You are given 2 eggs. * You have access to a 100-storey building. * Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100 th floor.Both eggs are identical. * You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking. * Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process
Given a grid of size m by n, write an algorithm that computes all paths from 0,0 to m,n such that you can always step horizontally or vertically but cannot reverse.
Given a nested list of integers, returns the sum of all integers in the list weighted by their depth given the list {{1,1},2,{1,1}} the function should return 10 (four 1's at depth 2, one 2 at depth 1)
1. You have n doors in a row that are all initially closed. You make n passes by the doors starting with the first door every time. The first time through you visit every door and toggle the door (if the door is closed, you open it, if its open, you close it). the second time you only visit every 2nd door (door #2, #4, #6. third pass you toggle 3rd, 6th, 9th door. What state are the doors in after the last pass? which doors are open ?
Debugging + System design: We wrote a simple (single-threaded) web crawler. Given a starting URL, it visits every reachable page. For each page, it determines the URLs of every static asset (images, javascript, stylesheets) on that page. The crawler returns a list with an entry for each crawled page and a listing of URLs for the assets found in that page.
Given a list of integers A and an integer k, return the number of unique pairs of integers in A that sum to k. For example, if A=[1 2 5 5 10 8 2] and k=10, the answer is 2, arrived as 5+5 or 2+8. There were 15 tests for this question, with at least the last two timing out, given that the implementation was not as efficient as possible.
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