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authorPaulo Custodio <pauloscustodio@gmail.com>2021-01-26 21:40:08 +0000
committerPaulo Custodio <pauloscustodio@gmail.com>2021-01-26 21:40:08 +0000
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+#!/usr/bin/env lua
+
+--[[
+Challenge 096
+
+TASK #1 > Reverse Words
+Submitted by: Mohammad S Anwar
+You are given a string $S.
+
+Write a script to reverse the order of words in the given string. The string
+may contain leading/trailing spaces. The string may have more than one space
+between words in the string. Print the result without leading/trailing spaces
+and there should be only one space between words.
+
+Example 1:
+Input: $S = "The Weekly Challenge"
+Output: "Challenge Weekly The"
+--]]
+
+-- concatenate all words (to be able to split multiple spaces)
+text = ""
+for i=1,#arg do text = text..arg[i].." "; end
+
+-- spit by spaces, store in reverse order
+words = {}
+for word in string.gmatch(text, "([^%s]+)") do
+ table.insert(words, 1, word)
+end
+
+io.write(table.concat(words, " "), "\n")