updating DIRECTORY.md

DIRECTORY.md

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+
+## Ciphers
+  * [Caesarcipher](https://github.com/TheAlgorithms/C/blob/master/ciphers/CaesarCipher.go)
+
+## Data-Structures
+  * Binary-Tree
+    * [Binary-Search-Tree](https://github.com/TheAlgorithms/C/blob/master/data-structures/binary-tree/binary-search-tree.go)
+    * [Binary-Tree](https://github.com/TheAlgorithms/C/blob/master/data-structures/binary-tree/binary-tree.go)
+  * Linked-List
+    * [Double-Linkedlist](https://github.com/TheAlgorithms/C/blob/master/data-structures/linked-list/double-linkedlist.go)
+    * [Linkedlist](https://github.com/TheAlgorithms/C/blob/master/data-structures/linked-list/Linkedlist.go)
+    * [Single-Linkedlist](https://github.com/TheAlgorithms/C/blob/master/data-structures/linked-list/single-linkedlist.go)
+  * Trie
+    * [Trie](https://github.com/TheAlgorithms/C/blob/master/data-structures/trie/trie.go)
+    * [Trie Test](https://github.com/TheAlgorithms/C/blob/master/data-structures/trie/trie_test.go)
+
+## Dynamic-Programming
+  * [Longest-Palindromic-Subsequence](https://github.com/TheAlgorithms/C/blob/master/dynamic-programming/longest-palindromic-subsequence.go)
+  * [Matrix-Multiplication](https://github.com/TheAlgorithms/C/blob/master/dynamic-programming/matrix-multiplication.go)
+  * [Rod-Cutting](https://github.com/TheAlgorithms/C/blob/master/dynamic-programming/rod-cutting.go)
+
+## Other
+  * [Maxsubarraysum](https://github.com/TheAlgorithms/C/blob/master/other/maxSubarraySum.go)
+  * [Nestedbrackets](https://github.com/TheAlgorithms/C/blob/master/other/NestedBrackets.go)
+  * [Passwordgenerator](https://github.com/TheAlgorithms/C/blob/master/other/PasswordGenerator.go)
+  * [Prime Numbers](https://github.com/TheAlgorithms/C/blob/master/other/prime_numbers.go)
+  * [Primenumbers](https://github.com/TheAlgorithms/C/blob/master/other/PrimeNumbers.go)
+  * [String Combinations](https://github.com/TheAlgorithms/C/blob/master/other/string_combinations.go)
+
+## Searches
+  * [Binary Search](https://github.com/TheAlgorithms/C/blob/master/searches/binary_search.go)
+  * [Linear Search](https://github.com/TheAlgorithms/C/blob/master/searches/linear_search.go)
+
+## Sorts
+  * [Bubble Sort](https://github.com/TheAlgorithms/C/blob/master/sorts/bubble_sort.go)
+  * [Heap Sort](https://github.com/TheAlgorithms/C/blob/master/sorts/heap_sort.go)
+  * [Insertion Sort](https://github.com/TheAlgorithms/C/blob/master/sorts/insertion_sort.go)
+  * [Merge Sort](https://github.com/TheAlgorithms/C/blob/master/sorts/merge_sort.go)
+  * [Quick Sort](https://github.com/TheAlgorithms/C/blob/master/sorts/quick_sort.go)
+  * [Selection Sort](https://github.com/TheAlgorithms/C/blob/master/sorts/selection_sort.go)
+  * [Shell Sort](https://github.com/TheAlgorithms/C/blob/master/sorts/shell_sort.go)
+  * [Sorts Case Test](https://github.com/TheAlgorithms/C/blob/master/sorts/sorts_case_test.go)
+  * [Sorts Test](https://github.com/TheAlgorithms/C/blob/master/sorts/sorts_test.go)
+  * [Topological Sort](https://github.com/TheAlgorithms/C/blob/master/sorts/topological_sort.go)
+
+## Strings
+  * [Naivestringsearch](https://github.com/TheAlgorithms/C/blob/master/strings/naiveStringSearch.go)