update README.md

README.md

@@ -17,32 +17,32 @@ Algorithms
 
 #### Sorting
 
-  * bubble sort
-  * selection sort
-  * merge sort
-  * cocktail sort
-  * gnome sort
-  * quick sort
-  * comb sort
-  * odd/even sort
-  * heap sort
-  * Shell sort
-  * counting sort
+  * [bubble sort](https://en.wikipedia.org/wiki/Bubble_sort)
+  * [selection sort](https://en.wikipedia.org/wiki/Selection_sort)
+  * [merge sort](https://en.wikipedia.org/wiki/Merge_sort)
+  * [cocktail sort](https://en.wikipedia.org/wiki/Cocktail_shaker_sort)
+  * [gnome sort](https://en.wikipedia.org/wiki/Gnome_sort)
+  * [quick sort](https://en.wikipedia.org/wiki/Quicksort)
+  * [comb sort](https://en.wikipedia.org/wiki/Comb_sort)
+  * [odd-even sort](https://en.wikipedia.org/wiki/Odd%E2%80%93even_sort)
+  * [heap sort](https://en.wikipedia.org/wiki/Heapsort)
+  * [Shell sort](https://en.wikipedia.org/wiki/Shellsort)
+  * [counting sort](https://en.wikipedia.org/wiki/Counting_sort)
 
 #### Searching
 
-  * binary search
+  * [binary search](https://en.wikipedia.org/wiki/Binary_search_algorithm)
 
 #### Collections
 
-  * doubly linked list
-  * binary tree
-  * stack
-  * queue
+  * [doubly linked list](https://en.wikipedia.org/wiki/Doubly_linked_list)
+  * [binary tree](https://en.wikipedia.org/wiki/Binary_search_tree)
+  * [stack](https://en.wikipedia.org/wiki/Stack_(abstract_data_type))
+  * [queue](https://en.wikipedia.org/wiki/Queue_(abstract_data_type))
 
 #### Numerical
 
-  * gcd
+  * [gcd](https://en.wikipedia.org/wiki/Greatest_common_divisor)
  
 Contribution
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