Added Binary_Search.coffee (jainaman224#66)

Author: jainaman224

Binary_Search/Binary_Search.coffee

@@ -0,0 +1,40 @@
+Binary_Search = (array, desired) ->
+    left = 0
+    right = array.length - 1
+
+    while left <= right
+        middle = left + (right - left) / 2
+
+        return middle if array[middle] is desired
+
+        if desired < array[middle]
+            right = middle - 1
+        else
+            left = middle + 1
+
+    -1
+
+
+array = [1, 2, 3, 4, 5, 6, 7]
+
+index = Binary_Search array, 4
+
+if index isnt -1
+    console.log "Found"
+else
+    console.log "Not Found"
+
+index = Binary_Search array, 9
+
+if index isnt -1
+    console.log "Found"
+else
+    console.log "Not Found"
+
+
+### Output
+
+Found
+Not Found
+
+###

Binary_Search/Binary_Search.php

@@ -1,14 +1,13 @@
-<?php
 $list = array(3, 4, 25, 45, 78);
 $element_to_be_found = 25;
 
 function binary_search($element_to_be_found, $list, $left, $right)
 {
     if ($left > $right)
         return -1;
- 
+
     $mid = ($right + $left) / 2;
-    
+
     if($list[$mid] == $element_to_be_found)
         return $mid;
     else if($list[$mid] > $element_to_be_found)
@@ -23,5 +22,3 @@ function binary_search($element_to_be_found, $list, $left, $right)
     echo "Element not found";
 else
     echo "Element found at index $ans";
-
-?>

Binary_Search/Binary_Search.py

@@ -30,6 +30,7 @@ def Binary_Search(array, desired):
 else:
     print("Not Found")
 
+
 ''' Output
 
 Found

Binary_Search/README.md

@@ -68,11 +68,17 @@ end procedure
 
 ## Implementation
 
+- [CoffeeScript Code](https://github.com/jainaman224/Algo_Ds_Notes/blob/master/Binary_Search/Binary_Search.coffee)
+> :rocket: [Compile Online](https://repl.it/C9ze) :rocket:
+
 - [C++ Code](https://github.com/jainaman224/Algo_Ds_Notes/blob/master/Binary_Search/Binary_Search.cpp)
 > :rocket: [Compile Online](https://repl.it/C6n3) :rocket:
 
 - [Java Code](https://github.com/jainaman224/Algo_Ds_Notes/blob/master/Binary_Search/Binary_Search.java)
 > :rocket: [Compile Online](https://repl.it/C6n1) :rocket:
 
+- [Php Code](https://github.com/jainaman224/Algo_Ds_Notes/blob/master/Binary_Search/Binary_Search.php)
+> :rocket: [Compile Online](https://repl.it/C9zo) :rocket:
+
 - [Python Code](https://github.com/jainaman224/Algo_Ds_Notes/blob/master/Binary_Search/Binary_Search.py)
 > :rocket: [Compile Online](https://repl.it/C6nZ) :rocket: