Three characters { #, *, . } represents a constellation of stars and galaxies in space. Each galaxy is demarcated by # characters. There can be one or many stars in a given galaxy. Stars can only be in shape of vowels { A, E, I, O, U } . A collection of * in the shape of the vowels is a star. A star is contained in a 3x3 block. Stars cannot be overlapping. The dot(.) character denotes empty space. Given 3xN matrix comprising of { #, *, . } character, find the galaxy and stars within them. Note: Please pay attention to how vowel A is denoted in a 3x3 block in the examples section below. Constraints 3 <= N <= 10^5 Input Input consists of single integer N denoting number of columns. Output Output contains vowels (stars) in order of their occurrence within the given galaxy. Galaxy itself is represented by # character. Time Limit 1 Examples Example 1 Input 18 * . * # * * * # * * * # * * * . * . * . * # * . * # . * . # * * * * * * * * * # * * * # * * * # * * * * . * Output U#O#I#EA Explanation As it can be seen that the stars make the image of the alphabets U, O, I, E and A respectively. com.tcs.cv.automata.ei.middleware.DocxToHtmlConverter@1aefe2ea:image1.png Example 2 Input 12 * . * # . * * * # . * . * . * # . . * . # * * * * * * # . * * * # * . * Output U#I#A Explanation As it can be seen that the stars make the image of the alphabet U, I and A.
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the question is so long I don't give the answer
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what kind of question is this?
if u have any doubts pls ask that...don't ask irrelevant questions..
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