Phantsure patch 1 (Phantsure#7)

* Create IMPLEMENTATIONS.md Certain algorithms and data structures which can be implemented * Update IMPLEMENTATIONS.md

Author: Phantsure

IMPLEMENTATIONS.md

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+## List of implementations
+
+* Search
+ * binary search
+ * linear search
+ * jump search
+ * ternary search
+ * interpolation search
+ * best first search
+ * exponential search
+ * sublist search
+ * fibonacci search
+
+* Sort
+ * bubble sort
+ * bogo sort
+ * bitonic sort
+ * insertion sort
+ * quick sort
+ * merge sort
+ * heap sort
+ * selection sort
+ * counting sort
+ * radix sort
+ * shell sort
+ * shaker sort
+ * comb sort
+ * bucket sort
+ * cycle sort
+ 
+* Math
+ * towers of hanoi
+ * Sieve of Eratosthenes
+ * armstrong number
+ * euclid's gcd
+ * prime sieve
+ * strong number
+ * factorial
+ * fibonacci sequence
+ * sum of digits
+ * fast exponentiation
+ * add binary numbers
+ * interval bisection
+ * Chinese remainder theorem
+
+* Cryptography
+ * caesar cipher
+ * substitution cipher
+ * vigenere cipher
+ 
+* Greedy
+ * dijkstra’s algorithm
+ * huffman coding
+ * kruskal's algorithm
+ * prim's algorithm
+ * job sequencing problem
+ 
+* Graphs
+ * bellman ford algorithm
+ * cycle directed graph
+ * cycle undirected graph
+ * graph coloring
+ * longest path directed acyclic graph
+ * travelling salesman mst
+ * breadth-first-search
+ * depth-first-search
+ * topological sorting
+ * dijkstra
+ 
+* Dynamic Programming
+ * minimum cost path
+ * floyd Warshall algorithm
+ * longest common subsequence
+ * longest increasing subsequence
+ * longest palindromic subsequence
+ * maximum subarray problem
+ * rod cutting
+ * subset sum
+
+* Data structures
+ * disjoint set union
+ * graphs
+ * heap
+ * linked list
+ * avl tree
+ * heap
+ * dictionary
+ * queue
+ * stack
+ * hash table
+ * binary search tree
+ * red and black tree
+ * segment tree
+ * sqrt decomposition
+
+* Backtracking
+ * sudoku
+ * n queens
+ * rat in a maze