React App

Sno	Topic	Title
1	Array	Reverse the array
2	Array	Find the maximum and minimum element in an array
3	Array	Find the "Kth" max and min element of an array
4	Array	Given an array which consists of only 0, 1 and 2. Sort the array without using any sorting algo
5	Array	Move all the negative elements to one side of the array
6	Array	Find the Union and Intersection of the two sorted arrays.
7	Array	Write a program to cyclically rotate an array by one.
8	Array	find Largest sum contiguous Subarray [V. IMP]
9	Array	Minimise the maximum difference between heights [V.IMP]
10	Array	Minimum no. of Jumps to reach end of an array
11	Array	find duplicate in an array of N+1 Integers
12	Array	Merge 2 sorted arrays without using Extra space.
13	Array	Kadane's Algo [V.V.V.V.V IMP]
14	Array	Merge Intervals
15	Array	Next Permutation
16	Array	Count Inversion
17	Array	Best time to buy and Sell stock
18	Array	find all pairs on integer array whose sum is equal to given number
19	Array	find common elements In 3 sorted arrays
20	Array	Rearrange the array in alternating positive and negative items with O(1) extra space
21	Array	Find if there is any subarray with sum equal to 0
22	Array	Find factorial of a large number
23	Array	find maximum product subarray
24	Array	Find longest coinsecutive subsequence
25	Array	Given an array of size n and a number k, fin all elements that appear more than " n/k " times.
26	Array	Maximum profit by buying and selling a share atmost twice
27	Array	Find whether an array is a subset of another array
28	Array	Find the triplet that sum to a given value
29	Array	Trapping Rain water problem
30	Array	Chocolate Distribution problem
31	Array	Smallest Subarray with sum greater than a given value
32	Array	Three way partitioning of an array around a given value
33	Array	Minimum swaps required bring elements less equal K together
34	Array	Minimum no. of operations required to make an array palindrome
35	Array	Median of 2 sorted arrays of equal size
36	Array	Median of 2 sorted arrays of different size
39	Matrix	Spiral traversal on a Matrix
40	Matrix	Search an element in a matriix
41	Matrix	Find median in a row wise sorted matrix
42	Matrix	Find row with maximum no. of 1's
43	Matrix	Print elements in sorted order using row-column wise sorted matrix
44	Matrix	Maximum size rectangle
45	Matrix	Find a specific pair in matrix
46	Matrix	Rotate matrix by 90 degrees
47	Matrix	Kth smallest element in a row-cpumn wise sorted matrix
48	Matrix	Common elements in all rows of a given matrix
51	String	Reverse a String
52	String	Check whether a String is Palindrome or not
53	String	Find Duplicate characters in a string
55	String	Write a Code to check whether one string is a rotation of another
56	String	Write a Program to check whether a string is a valid shuffle of two strings or not
57	String	Count and Say problem
58	String	Write a program to find the longest Palindrome in a string.[ Longest palindromic Substring]
59	String	Find Longest Recurring Subsequence in String
60	String	Print all Subsequences of a string.
61	String	Print all the permutations of the given string
62	String	Split the Binary string into two substring with equal 0’s and 1’s
63	String	Word Wrap Problem [VERY IMP].
64	String	EDIT Distance [Very Imp]
65	String	Find next greater number with same set of digits. [Very Very IMP]
66	String	Balanced Parenthesis problem.[Imp]
67	String	Word break Problem[ Very Imp]
68	String	Rabin Karp Algo
69	String	KMP Algo
70	String	Convert a Sentence into its equivalent mobile numeric keypad sequence.
71	String	Minimum number of bracket reversals needed to make an expression balanced.
72	String	Count All Palindromic Subsequence in a given String.
73	String	Count of number of given string in 2D character array
74	String	Search a Word in a 2D Grid of characters.
75	String	Boyer Moore Algorithm for Pattern Searching.
76	String	Converting Roman Numerals to Decimal
77	String	Longest Common Prefix
78	String	Number of flips to make binary string alternate
79	String	Find the first repeated word in string.
80	String	Minimum number of swaps for bracket balancing.
81	String	Find the longest common subsequence between two strings.
82	String	Program to generate all possible valid IP addresses from given string.
83	String	Write a program tofind the smallest window that contains all characters of string itself.
84	String	Rearrange characters in a string such that no two adjacent are same
85	String	Minimum characters to be added at front to make string palindrome
86	String	Given a sequence of words, print all anagrams together
87	String	Find the smallest window in a string containing all characters of another string
88	String	Recursively remove all adjacent duplicates
89	String	String matching where one string contains wildcard characters
90	String	Function to find Number of customers who could not get a computer
91	String	Transform One String to Another using Minimum Number of Given Operation
92	String	Check if two given strings are isomorphic to each other
93	String	Recursively print all sentences that can be formed from list of word lists
96	Searching & Sorting	Find first and last positions of an element in a sorted array
97	Searching & Sorting	Find a Fixed Point (Value equal to index) in a given array
98	Searching & Sorting	Search in a rotated sorted array
99	Searching & Sorting	square root of an integer
100	Searching & Sorting	Maximum and minimum of an array using minimum number of comparisons
101	Searching & Sorting	Optimum location of point to minimize total distance
102	Searching & Sorting	Find the repeating and the missing
103	Searching & Sorting	find majority element
104	Searching & Sorting	Searching in an array where adjacent differ by at most k
105	Searching & Sorting	find a pair with a given difference
106	Searching & Sorting	find four elements that sum to a given value
107	Searching & Sorting	maximum sum such that no 2 elements are adjacent
108	Searching & Sorting	Count triplet with sum smaller than a given value
109	Searching & Sorting	merge 2 sorted arrays
110	Searching & Sorting	print all subarrays with 0 sum
111	Searching & Sorting	Product array Puzzle
112	Searching & Sorting	Sort array according to count of set bits
113	Searching & Sorting	minimum no. of swaps required to sort the array
114	Searching & Sorting	Bishu and Soldiers
115	Searching & Sorting	Rasta and Kheshtak
116	Searching & Sorting	Kth smallest number again
117	Searching & Sorting	Find pivot element in a sorted array
118	Searching & Sorting	K-th Element of Two Sorted Arrays
119	Searching & Sorting	Aggressive cows
120	Searching & Sorting	Book Allocation Problem
121	Searching & Sorting	EKOSPOJ:
122	Searching & Sorting	Job Scheduling Algo
123	Searching & Sorting	Missing Number in AP
124	Searching & Sorting	Smallest number with atleastn trailing zeroes infactorial
125	Searching & Sorting	Painters Partition Problem:
126	Searching & Sorting	ROTI-Prata SPOJ
127	Searching & Sorting	DoubleHelix SPOJ
128	Searching & Sorting	Subset Sums
129	Searching & Sorting	Findthe inversion count
130	Searching & Sorting	Implement Merge-sort in-place
131	Searching & Sorting	Partitioning and Sorting Arrays with Many Repeated Entries
134	LinkedList	Write a Program to reverse the Linked List. (Both Iterative and recursive)
135	LinkedList	Reverse a Linked List in group of Given Size. [Very Imp]
136	LinkedList	Write a program to Detect loop in a linked list.
137	LinkedList	Write a program to Delete loop in a linked list.
138	LinkedList	Find the starting point of the loop.
139	LinkedList	Remove Duplicates in a sorted Linked List.
140	LinkedList	Remove Duplicates in a Un-sorted Linked List.
141	LinkedList	Write a Program to Move the last element to Front in a Linked List.
142	LinkedList	Add “1” to a number represented as a Linked List.
143	LinkedList	Add two numbers represented by linked lists.
144	LinkedList	Intersection of two Sorted Linked List.
145	LinkedList	Intersection Point of two Linked Lists.
146	LinkedList	Merge Sort For Linked lists.[Very Important]
147	LinkedList	Quicksort for Linked Lists.[Very Important]
148	LinkedList	Find the middle Element of a linked list.
149	LinkedList	Check if a linked list is a circular linked list.
150	LinkedList	Split a Circular linked list into two halves.
151	LinkedList	Write a Program to check whether the Singly Linked list is a palindrome or not.
152	LinkedList	Deletion from a Circular Linked List.
153	LinkedList	Reverse a Doubly Linked list.
154	LinkedList	Find pairs with a given sum in a DLL.
155	LinkedList	Count triplets in a sorted DLL whose sum is equal to given value “X”.
156	LinkedList	Sort a “k”sorted Doubly Linked list.[Very IMP]
157	LinkedList	Rotate DoublyLinked list by N nodes.
158	LinkedList	Rotate a Doubly Linked list in group of Given Size.[Very IMP]
161	LinkedList	Flatten a Linked List
162	LinkedList	Sort a LL of 0's, 1's and 2's
163	LinkedList	Clone a linked list with next and random pointer
164	LinkedList	Merge K sorted Linked list
165	LinkedList	Multiply 2 no. represented by LL
166	LinkedList	Delete nodes which have a greater value on right side
167	LinkedList	Segregate even and odd nodes in a Linked List
168	LinkedList	Program for n’th node from the end of a Linked List
169	LinkedList	Find the first non-repeating character from a stream of characters
172	Binary Trees	level order traversal
173	Binary Trees	Reverse Level Order traversal
174	Binary Trees	Height of a tree
175	Binary Trees	Diameter of a tree
176	Binary Trees	Mirror of a tree
177	Binary Trees	Inorder Traversal of a tree both using recursion and Iteration
178	Binary Trees	Preorder Traversal of a tree both using recursion and Iteration
179	Binary Trees	Postorder Traversal of a tree both using recursion and Iteration
180	Binary Trees	Left View of a tree
181	Binary Trees	Right View of Tree
182	Binary Trees	Top View of a tree
183	Binary Trees	Bottom View of a tree
184	Binary Trees	Zig-Zag traversal of a binary tree
185	Binary Trees	Check if a tree is balanced or not
186	Binary Trees	Diagnol Traversal of a Binary tree
187	Binary Trees	Boundary traversal of a Binary tree
188	Binary Trees	Construct Binary Tree from String with Bracket Representation
189	Binary Trees	Convert Binary tree into Doubly Linked List
190	Binary Trees	Convert Binary tree into Sum tree
191	Binary Trees	Construct Binary tree from Inorder and preorder traversal
192	Binary Trees	Find minimum swaps required to convert a Binary tree into BST
193	Binary Trees	Check if Binary tree is Sum tree or not
194	Binary Trees	Check if all leaf nodes are at same level or not
195	Binary Trees	Check if a Binary Tree contains duplicate subtrees of size 2 or more [ IMP ]
196	Binary Trees	Check if 2 trees are mirror or not
197	Binary Trees	Sum of Nodes on the Longest path from root to leaf node
198	Binary Trees	Check if given graph is tree or not. [ IMP ]
199	Binary Trees	Find Largest subtree sum in a tree
200	Binary Trees	Maximum Sum of nodes in Binary tree such that no two are adjacent
201	Binary Trees	Print all "K" Sum paths in a Binary tree
202	Binary Trees	Find LCA in a Binary tree
203	Binary Trees	Find distance between 2 nodes in a Binary tree
204	Binary Trees	Kth Ancestor of node in a Binary tree
205	Binary Trees	Find all Duplicate subtrees in a Binary tree [ IMP ]
206	Binary Trees	Tree Isomorphism Problem
209	Binary Search Trees	Fina a value in a BST
210	Binary Search Trees	Deletion of a node in a BST
211	Binary Search Trees	Find min and max value in a BST
212	Binary Search Trees	Find inorder successor and inorder predecessor in a BST
213	Binary Search Trees	Check if a tree is a BST or not
214	Binary Search Trees	Populate Inorder successor of all nodes
215	Binary Search Trees	Find LCA of 2 nodes in a BST
216	Binary Search Trees	Construct BST from preorder traversal
217	Binary Search Trees	Convert Binary tree into BST
218	Binary Search Trees	Convert a normal BST into a Balanced BST
219	Binary Search Trees	Merge two BST [ V.V.V>IMP ]
220	Binary Search Trees	Find Kth largest element in a BST
221	Binary Search Trees	Find Kth smallest element in a BST
222	Binary Search Trees	Count pairs from 2 BST whose sum is equal to given value "X"
223	Binary Search Trees	Find the median of BST in O(n) time and O(1) space
224	Binary Search Trees	Count BST ndoes that lie in a given range
225	Binary Search Trees	Replace every element with the least greater element on its right
226	Binary Search Trees	Given "n" appointments, find the conflicting appointments
227	Binary Search Trees	Check preorder is valid or not
228	Binary Search Trees	Check whether BST contains Dead end
229	Binary Search Trees	Largest BST in a Binary Tree [ V.V.V.V.V IMP ]
230	Binary Search Trees	Flatten BST to sorted list
233	Greedy	Activity Selection Problem
234	Greedy	Job SequencingProblem
235	Greedy	Huffman Coding
236	Greedy	Water Connection Problem
237	Greedy	Fractional Knapsack Problem
238	Greedy	Greedy Algorithm to find Minimum number of Coins
239	Greedy	Maximum trains for which stoppage can be provided
240	Greedy	Minimum Platforms Problem
241	Greedy	Buy Maximum Stocks if i stocks can be bought on i-th day
242	Greedy	Find the minimum and maximum amount to buy all N candies
243	Greedy	Minimize Cash Flow among a given set of friends who have borrowed money from each other
244	Greedy	Minimum Cost to cut a board into squares
245	Greedy	Check if it is possible to survive on Island
246	Greedy	Find maximum meetings in one room
247	Greedy	Maximum product subset of an array
248	Greedy	Maximize array sum after K negations
249	Greedy	Maximize the sum of arr[i]*i
250	Greedy	Maximum sum of absolute difference of an array
251	Greedy	Maximize sum of consecutive differences in a circular array
252	Greedy	Minimum sum of absolute difference of pairs of two arrays
253	Greedy	Program for Shortest Job First (or SJF) CPU Scheduling
254	Greedy	Program for Least Recently Used (LRU) Page Replacement algorithm
255	Greedy	Smallest subset with sum greater than all other elements
256	Greedy	Chocolate Distribution Problem
257	Greedy	DEFKIN -Defense of a Kingdom
258	Greedy	DIEHARD -DIE HARD
259	Greedy	GERGOVIA -Wine trading in Gergovia
260	Greedy	Picking Up Chicks
261	Greedy	CHOCOLA –Chocolate
262	Greedy	ARRANGE -Arranging Amplifiers
263	Greedy	K Centers Problem
264	Greedy	Minimum Cost of ropes
265	Greedy	Find smallest number with given number of digits and sum of digits
266	Greedy	Rearrange characters in a string such that no two adjacent are same
267	Greedy	Find maximum sum possible equal sum of three stacks
270	BackTracking	Rat in a maze Problem
271	BackTracking	Printing all solutions in N-Queen Problem
272	BackTracking	Word Break Problem using Backtracking
273	BackTracking	Remove Invalid Parentheses
274	BackTracking	Sudoku Solver
275	BackTracking	m Coloring Problem
276	BackTracking	Print all palindromic partitions of a string
277	BackTracking	Subset Sum Problem
278	BackTracking	The Knight’s tour problem
279	BackTracking	Tug of War
280	BackTracking	Find shortest safe route in a path with landmines
281	BackTracking	Combinational Sum
282	BackTracking	Find Maximum number possible by doing at-most K swaps
283	BackTracking	Print all permutations of a string
284	BackTracking	Find if there is a path of more than k length from a source
285	BackTracking	Longest Possible Route in a Matrix with Hurdles
286	BackTracking	Print all possible paths from top left to bottom right of a mXn matrix
287	BackTracking	Partition of a set intoK subsets with equal sum
288	BackTracking	Find the K-th Permutation Sequence of first N natural numbers
291	Stacks & Queues	Implement Stack from Scratch
292	Stacks & Queues	Implement Queue from Scratch
293	Stacks & Queues	Implement 2 stack in an array
294	Stacks & Queues	find the middle element of a stack
295	Stacks & Queues	Implement "N" stacks in an Array
296	Stacks & Queues	Check the expression has valid or Balanced parenthesis or not.
297	Stacks & Queues	Reverse a String using Stack
298	Stacks & Queues	Design a Stack that supports getMin() in O(1) time and O(1) extra space.
299	Stacks & Queues	Find the next Greater element
300	Stacks & Queues	The celebrity Problem
301	Stacks & Queues	Arithmetic Expression evaluation
302	Stacks & Queues	Evaluation of Postfix expression
303	Stacks & Queues	Implement a method to insert an element at its bottom without using any other data structure.
304	Stacks & Queues	Reverse a stack using recursion
305	Stacks & Queues	Sort a Stack using recursion
306	Stacks & Queues	Merge Overlapping Intervals
307	Stacks & Queues	Largest rectangular Area in Histogram
308	Stacks & Queues	Length of the Longest Valid Substring
309	Stacks & Queues	Expression contains redundant bracket or not
310	Stacks & Queues	Implement Stack using Queue
311	Stacks & Queues	Implement Stack using Deque
312	Stacks & Queues	Stack Permutations (Check if an array is stack permutation of other)
313	Stacks & Queues	Implement Queue using Stack
314	Stacks & Queues	Implement "n" queue in an array
315	Stacks & Queues	Implement a Circular queue
316	Stacks & Queues	LRU Cache Implementationa
317	Stacks & Queues	Reverse a Queue using recursion
318	Stacks & Queues	Reverse the first “K” elements of a queue
319	Stacks & Queues	Interleave the first half of the queue with second half
320	Stacks & Queues	Find the first circular tour that visits all Petrol Pumps
321	Stacks & Queues	Minimum time required to rot all oranges
322	Stacks & Queues	Distance of nearest cell having 1 in a binary matrix
323	Stacks & Queues	First negative integer in every window of size “k”
324	Stacks & Queues	Check if all levels of two trees are anagrams or not.
325	Stacks & Queues	Sum of minimum and maximum elements of all subarrays of size “k”.
326	Stacks & Queues	Minimum sum of squares of character counts in a given string after removing “k” characters.
327	Stacks & Queues	Queue based approach or first non-repeating character in a stream.
328	Stacks & Queues	Next Smaller Element
331	Heap	Implement a Maxheap/MinHeap using arrays and recursion.
332	Heap	Sort an Array using heap. (HeapSort)
333	Heap	Maximum of all subarrays of size k.
334	Heap	“k” largest element in an array
335	Heap	Kth smallest and largest element in an unsorted array
336	Heap	Merge “K” sorted arrays. [ IMP ]
337	Heap	Merge 2 Binary Max Heaps
338	Heap	Kth largest sum continuous subarrays
339	Heap	Leetcode- reorganize strings
340	Heap	Merge “K” Sorted Linked Lists [V.IMP]
341	Heap	Smallest range in “K” Lists
342	Heap	Median in a stream of Integers
343	Heap	Check if a Binary Tree is Heap
344	Heap	Connect “n” ropes with minimum cost
345	Heap	Convert BST to Min Heap
346	Heap	Convert min heap to max heap
347	Heap	Rearrange characters in a string such that no two adjacent are same.
348	Heap	Minimum sum of two numbers formed from digits of an array
351	Graph	Create a Graph, print it
352	Graph	Implement BFS algorithm
353	Graph	Implement DFS Algo
354	Graph	Detect Cycle in Directed Graph using BFS/DFS Algo
355	Graph	Detect Cycle in UnDirected Graph using BFS/DFS Algo
356	Graph	Search in a Maze
357	Graph	Minimum Step by Knight
358	Graph	flood fill algo
359	Graph	Clone a graph
360	Graph	Making wired Connections
361	Graph	word Ladder
362	Graph	Dijkstra algo
363	Graph	Implement Topological Sort
364	Graph	Minimum time taken by each job to be solved given by a Directed Acyclic Graph
365	Graph	Find whether it is possible to finish all tasks or not from given dependencies
366	Graph	Find the no. of Isalnds
367	Graph	Given a sorted Dictionary of an Alien Language, find order of characters
368	Graph	Implement Kruksal’sAlgorithm
369	Graph	Implement Prim’s Algorithm
370	Graph	Total no. of Spanning tree in a graph
371	Graph	Implement Bellman Ford Algorithm
372	Graph	Implement Floyd warshallAlgorithm
373	Graph	Travelling Salesman Problem
374	Graph	Graph ColouringProblem
375	Graph	Snake and Ladders Problem
376	Graph	Find bridge in a graph
377	Graph	Count Strongly connected Components(Kosaraju Algo)
378	Graph	Check whether a graph is Bipartite or Not
379	Graph	Detect Negative cycle in a graph
380	Graph	Longest path in a Directed Acyclic Graph
381	Graph	Journey to the Moon
382	Graph	Cheapest Flights Within K Stops
383	Graph	Oliver and the Game
384	Graph	Water Jug problem using BFS
385	Graph	Water Jug problem using BFS
386	Graph	Find if there is a path of more thank length from a source
387	Graph	M-ColouringProblem
388	Graph	Minimum edges to reverse o make path from source to destination
389	Graph	Paths to travel each nodes using each edge(Seven Bridges)
390	Graph	Vertex Cover Problem
391	Graph	Chinese Postman or Route Inspection
392	Graph	Number of Triangles in a Directed and Undirected Graph
393	Graph	Minimise the cashflow among a given set of friends who have borrowed money from each other
394	Graph	Two Clique Problem
397	Trie	Construct a trie from scratch
398	Trie	Find shortest unique prefix for every word in a given list
399	Trie	Word Break Problem \| (Trie solution)
400	Trie	Given a sequence of words, print all anagrams together
401	Trie	Implement a Phone Directory
402	Trie	Print unique rows in a given boolean matrix
405	Dynamic Programming	Coin ChangeProblem
406	Dynamic Programming	Knapsack Problem
407	Dynamic Programming	Binomial CoefficientProblem
408	Dynamic Programming	Permutation CoefficientProblem
409	Dynamic Programming	Program for nth Catalan Number
410	Dynamic Programming	Matrix Chain Multiplication
411	Dynamic Programming	Edit Distance
412	Dynamic Programming	Subset Sum Problem
413	Dynamic Programming	Friends Pairing Problem
414	Dynamic Programming	Gold Mine Problem
415	Dynamic Programming	Assembly Line SchedulingProblem
416	Dynamic Programming	Painting the Fenceproblem
417	Dynamic Programming	Maximize The Cut Segments
418	Dynamic Programming	Longest Common Subsequence
419	Dynamic Programming	Longest Repeated Subsequence
420	Dynamic Programming	Longest Increasing Subsequence
421	Dynamic Programming	Space Optimized Solution of LCS
422	Dynamic Programming	LCS (Longest Common Subsequence) of three strings
423	Dynamic Programming	Maximum Sum Increasing Subsequence
424	Dynamic Programming	Count all subsequences having product less than K
425	Dynamic Programming	Longest subsequence such that difference between adjacent is one
426	Dynamic Programming	Maximum subsequence sum such that no three are consecutive
427	Dynamic Programming	Egg Dropping Problem
428	Dynamic Programming	Maximum Length Chain of Pairs
429	Dynamic Programming	Maximum size square sub-matrix with all 1s
430	Dynamic Programming	Maximum sum of pairs with specific difference
431	Dynamic Programming	Min Cost PathProblem
432	Dynamic Programming	Maximum difference of zeros and ones in binary string
433	Dynamic Programming	Minimum number of jumps to reach end
434	Dynamic Programming	Minimum cost to fill given weight in a bag
435	Dynamic Programming	Minimum removals from array to make max –min <= K
436	Dynamic Programming	Longest Common Substring
437	Dynamic Programming	Count number of ways to reacha given score in a game
438	Dynamic Programming	Count Balanced Binary Trees of Height h
439	Dynamic Programming	LargestSum Contiguous Subarray [V>V>V>V IMP ]
440	Dynamic Programming	Smallest sum contiguous subarray
441	Dynamic Programming	Unbounded Knapsack (Repetition of items allowed)
442	Dynamic Programming	Word Break Problem
443	Dynamic Programming	Largest Independent Set Problem
444	Dynamic Programming	Partition problem
445	Dynamic Programming	Longest Palindromic Subsequence
446	Dynamic Programming	Count All Palindromic Subsequence in a given String
447	Dynamic Programming	Longest Palindromic Substring
448	Dynamic Programming	Longest alternating subsequence
449	Dynamic Programming	Weighted Job Scheduling
450	Dynamic Programming	Coin game winner where every player has three choices
451	Dynamic Programming	Count Derangements (Permutation such that no element appears in its original position) [ IMPORTANT ]
452	Dynamic Programming	Maximum profit by buying and selling a share at most twice [ IMP ]
453	Dynamic Programming	Optimal Strategy for a Game
454	Dynamic Programming	Optimal Binary Search Tree
455	Dynamic Programming	Palindrome PartitioningProblem
456	Dynamic Programming	Word Wrap Problem
457	Dynamic Programming	Mobile Numeric Keypad Problem [ IMP ]
458	Dynamic Programming	Boolean Parenthesization Problem
459	Dynamic Programming	Largest rectangular sub-matrix whose sum is 0
460	Dynamic Programming	Largest area rectangular sub-matrix with equal number of 1’s and 0’s [ IMP ]
461	Dynamic Programming	Maximum sum rectangle in a 2D matrix
462	Dynamic Programming	Maximum profit by buying and selling a share at most k times
463	Dynamic Programming	Find if a string is interleaved of two other strings
464	Dynamic Programming	Maximum Length of Pair Chain
467	Bit Manipulation	Count set bits in an integer
468	Bit Manipulation	Find the two non-repeating elements in an array of repeating elements
469	Bit Manipulation	Count number of bits to be flipped to convert A to B
470	Bit Manipulation	Count total set bits in all numbers from 1 to n
471	Bit Manipulation	Program to find whether a no is power of two
472	Bit Manipulation	Find position of the only set bit
473	Bit Manipulation	Copy set bits in a range
474	Bit Manipulation	Divide two integers without using multiplication, division and mod operator
475	Bit Manipulation	Calculate square of a number without using *, / and pow()
476	Bit Manipulation	Power Set