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Programmer Trainee Interview Questions
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What is the output? int n = 1; puts(((char*)&n)[0]==1?"Y":"N");
1) Given a string of parantheses, check if the string is valid. ex: [[]] is valid, ][][ is not valid. How would you solve if the parantheses could be of different types like {,[,(
CODING (weight: 50%) The string "PAYPAL IS HIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H N A P L S I I G Y I R And then read line by line: PAHNAPLSIIGYIR Write the code that will take a string and make this conversion given a number of rows: String convert(String text, int nRows); convert("paypalishiring", 3) should return "pahnaplsiigyir"
Given a string "AABCCC" make a new string "2A1B3C"
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Print a N x M matrix in diagonal from the upper left to lower right. However, with the following caveat. It's easy to just show the input and expect output. matrix: a b c d e f g h i j k output: aej bfk cg di h
Write a program for input any number the pattern output will as below
iOS developers have a "dispatch_after(when, queue, block)" Grand Central Dispatch (GCD) function they can utilize but once it's set up, these calls can not be easily cancelled. Describe how you might implement a more convenient version of this named "cancellable_dispatch_after"
Given many points, find k points that are closest to the origin.
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