Files

0-1 Knapsack - Memoization.cpp
0-1 Knapsack - TopDown.cpp
2 sum - BST.cpp
2 sum using Hash Table.cpp
2-Strings.cpp
2_Sum_Target.cpp
2_sum.cpp
3 and 5 FizzBuzz.cpp
3Sum Closest.cpp
4-sum.cpp
Add Digits.cpp
Add Two Numbers.cpp
All Numbers Disappeared in an Array.cpp
All Unique Permutations of an array.cpp
Anagrams.cpp
Apples & Oranges.cpp
Area Using Abstract Class.java
Array Manipulation.cpp
Array Partition I.cpp
Array Queries.cpp
Array Subset of another array.cpp
BST_Insertion.cpp
BST_Mode.cpp
Balanced Tree.cpp
Bank Interest Rates Using Interface.java
Baseball Game.cpp
Best Time to Buy and Sell Stock II.cpp
Best Time to Buy and Sell Stock.cpp
Binary Search : PeakElement.cpp
Binary Search Tree Implementation.c
Binary Search Tree from Preorder Traversal.cpp
Binary Search.cpp
Binary Tree Tilt.cpp
Binary Tree To DLL.cpp
Binary Tree Zigzag Level Order Traversal.cpp
Binary number to decimal number.cpp
Bit Difference.cpp
Bottom View Of Binary Tree.cpp
Bottom View Of Tree.cpp
Boundary Of Binary Tree.cpp
Breadth First Search - Graph .cpp
Breadth First Traversal.cpp
Burn Binary Tree.cpp
Characters By Frequency.cpp
Check Capital.cpp
Check Completeness of a Binary Tree..cpp
Check if All A's Appears Before All B's.cpp
Check if Numbers Are Ascending in a Sentence.cpp
Check if the Sentence Is Pangram.cpp
CheckBalanced.cpp
Circular Linked List Traversal.cpp
Climb Stairs.cpp
Climbing Stairs.cpp
Coin Change - Minimum Coins.cpp
Coin Change - Total No Of Ways.cpp
Combination Sum II.cpp
Combination Sum.cpp
Combinations.cpp
Compare two linked lists.cpp
Complement of Base 10 Integer.cpp
Construct Optimal Rectangle.cpp
Construct the Rectangle.cpp
Container With Most Water.cpp
Contains Duplicates II.cpp
Contiguous Array.cpp
Convert Binary Number in a Linked List to Integer.cpp
Copy List with Random Pointer.cpp
CostToBuyNcandies.cpp
Count Common Words With One Occurrence.cpp
Count Integers With Even Digit Sum.cpp
Count Items Matching a Rule.cpp
Count Negative Numbers in a Sorted Matrix.cpp
Count Non-Leaf Nodes in Tree.cpp
Count Number of Pairs With Absolute Difference K.cpp
Count Squares.cpp
Count distinct elements in every window.cpp
Count leaf nodes in tree.java
Count primes in given range.cpp
Counting Bits.cpp
Cousins in Binary Tree.cpp
Create From Scratch - LinkedList & Tree.cpp
Custom Sort String.cpp
DFS-Traversal.cpp
DP: Shortest Common Supersequence.cpp
Decimal To Binary.c
Delete middle of stack.cpp
Delete the Middle Node of a Linked List.cpp
DeleteWithoutHeadPointer.cpp
Detect cycle in an undirected graph.cpp
Determine Whether Matrix Can Be Obtained By Rotation.cpp
Diagonal Difference - O(n) .cpp
Diagonal Difference.cpp
Diagonal Traversal of Binary Tree.cpp
Diameter Of Binary Tree .cpp
Diameter Of Binary Tree.cpp
Diameter of Tree - Backtracking.cpp
Dijkstra's Algorithm.cpp
Double Linked List Implementation.c
Doubling The value.cpp
Edit distance - Memoization.cpp
Edit distance - Tabulation.cpp
Egg Drop Problem - Memoization.cpp
Egg Drop Problem - Recursion.cpp
Element Appearing More Than 25% In Sorted Array.cpp
Even Odd Tree.cpp
Exceptionally odd .cpp
Facing the sun.cpp
Factorial.cpp
Fibonacci Matrix.cpp
Fibonacci Series - DP Tabulation.cpp
Fibonacci.cpp
Find All Duplicates in an Array.cpp
Find All Lonely Numbers in the Array.cpp
Find Bottom Left Tree Value.cpp
Find Final Value.cpp
Find First Palindromic String in the Array.cpp
Find First and Last Position of Element in Sorted Array.cpp
Find Largest Value in Each Tree Row.cpp
Find Median from Data Stream.cpp
Find Pivot Index.cpp
Find Smallest Letter Greater Than Target.cpp
Find Target Indices After Sorting Array.cpp
Find if Path Exists in Graph.cpp
Find position of an element in a sorted array of infinite numbers.cpp
Find second largest element.cpp
Find the Difference.cpp
Find the Distance Value Between Two Arrays.cpp
Find the Sum of Last N nodes of the Linked List.cpp
Find-k-closest-elements.cpp
First Negative Number in every Window of Size K.cpp
First Repeating number.cpp
First Unique Character.cpp
First negative integer in every window of size k.cpp
FizzBuzz.cpp
Flatten Binary Tree to Linked List.cpp
Flatten Linked List.cpp
Flood Fill.cpp
Floor Of Array.cpp
Furthest Houses With Different Colors.cpp
Generic Array.cpp
Good Weather.cpp
Grading Students.cpp
Graph BFS.cpp
Greedy_SOLN_jobSequencing.cpp
Group Anagrams.cpp
Hamming Distance.cpp
Handling CLI Exceptions.java
Handling Multiple Exceptions.java
Happy Number.cpp
Heap Sort.cpp
Histogram with largst rectangle.cpp
Hollow Rectangle Pattern.cpp
House Robber.cpp
Implement strStr().cpp
Implementing Dijkstra's Algorithm.cpp
Index of first 1 in a sorted array of 0s and 1s.cpp
Inorder Successor in BST.cpp
Inorder Traversal Of Tree (Recursive).cpp
Inorder predecessor and successor for a given key in BST.cpp
Insert An Element At Its Bottom In A Given Stack.cpp
Intersection Of 2 Arrays.cpp
Intersection of Two Linked Lists.cpp
IntersectionOfArrays.cpp
Is Subsequence.cpp
Isogram string.cpp
Isomorphic Strings.cpp
Jump game.cpp
K Closest Points to Origin.cpp
K closest points.cpp
K largest elements.cpp
Kadane's Algorithm Extension.cpp
Kadane's_Algorithm.cpp
Keyboard Row.cpp
Kosaraju's Algorithm - Strongly Connected Components.cpp
Kth Distinct String in an Array.cpp
Kth Largest Element.cpp
Kth Missing Positive Number.cpp
Kth Smallest Element in a BST.cpp
Kth Smallest element in Matrix.cpp
LCA Of BST.cpp
LCP - String.cpp
LCS-Tabulation.cpp
LICENSE
LRU Cache.cpp
Largest Area Rectangle.cpp
Largest BST in Tree.cpp
Largest Element in Array.cpp
Largest Number At Least Twice of Others.cpp
Largest Number.cpp
Largest subarray with 0 sum.cpp
Last Index Of 1.CPP
Left view of Binary Tree.cpp
Length of Last Word.cpp
Letter Case Permutation.cpp
Letter Combinations of a Phone Number.cpp
Level Of Node In Tree.cpp
Level Order Traversal.cpp
Level With Max Sum In Binary Tree.cpp
Linked List Palindrome.cpp
Linked list of strings forms a palindrome .cpp
Linked_List_Cycle II.cpp
Linked_List_Cycle.cpp
Longer Contiguous Segments of Ones than Zeros.cpp
Longest Common Subsequence.cpp
Longest Common Substring.cpp
Longest Consecutive Sequence - Sorted Array.cpp
Longest Consecutive Sequence.cpp
Longest K unique characters substring.cpp
Longest Repeating Subsequence.cpp
Longest Univalue Path.cpp
Longest Valid Palindrome.cpp
Longest Valid Parentheses.cpp
Longest Word in Dictionary.cpp
Longest common prefix.cpp
Loop In Linked List.cpp
LowestCommonAncestorBST.cpp
LowestCommonAncestorOf Tree.cpp
LowestCommonElement.c
MCM-Memoization.cpp
Majority Element II.cpp
Majority Element In Array.cpp
Majority Element.cpp
Majority element in sorted array.java
MakeMiddleAsHead.c
Max Area of Island.cpp
Max Consecutive Ones.cpp
Max Level Sum In Binary Tree.cpp
Max Number of K-Sum Pairs.cpp
Max Path Sum.cpp
Max distance between same elements .cpp
Max_Stack.cpp
Maximize Sum Of Array After K Negations.cpp
Maximum Average Subarray I.cpp
Maximum Difference Between Node and Ancestor.cpp
Maximum Length of Repeated Subarray.cpp
Maximum Level Sum.cpp
Maximum Number of Words Found in Sentences.cpp
Maximum Product Subarray.cpp
Maximum Product of Three Numbers.cpp
Maximum Product of Two Elements in an Array.cpp
Maximum Width of Tree.cpp
Maximum difference of zeros and ones in binary string.cpp
Maximum of all subarrays of size k.cpp
Merge 2 Treea.cpp
Merge Nodes in Between Zeros.cpp
Merge Sort.cpp
Merge Sorted Array.cpp
Merge Strings Alternately.cpp
Merge k Sorted Lists.cpp
Middle Of Stack.cpp
Middle of Three.cpp
MiddleLinkedList.cpp
Min Cost to connect ropes.cpp
Min-Max.cpp
Min_Stack.cpp
Minimum Absolute Difference in BST.cpp
Minimum Cost of Buying Candies With Discount.cpp
Minimum Height Of Tree.cpp
Minimum Index Character.cpp
Minimum Index Sum of Two Lists.cpp
Minimum Operations to Make the Array Increasing.cpp
Minimum Path Sum.java
Minimum Size Subarray Sum.cpp
Mirror Tree.cpp
Missing Numbers.cpp
Move Zeroes.cpp
N-th Tribonacci Number.cpp
NGE-II.cpp
Next Greater Node In Linked List.cpp
Next Greatest Element.cpp
Next Permutation.cpp
Next Smaller Element.cpp
No Of Connected Components In Graph.cpp
No Of Islands.cpp
No Of Rotations - O(N).cpp
No of 1-bits.cpp
Nth Node From Tail.cpp
Number Complement.cpp
Number Of Islands.cpp
Number of Good Pairs.cpp
Number of Matching Subsequences.cpp
Number of Operations to Make Network Connected.cpp
Number of Pairs of Interchangeable Rectangles.cpp
Number of Squareful Arrays.cpp
Number of Steps to Reduce a Number to Zero.cpp
Number of Unique Paths.cpp
Number of Valid Words in a Sentence.cpp
Number of occurrence.cpp
Nuts And Bolts.cpp
Overloading Extraction,Insertion Operators.cpp
Pairwise Swap In Linked List.cpp
Partition Equal Subset Sum.cpp
Pascals Triangle II.cpp
Pascals Triangle.cpp
Path Sum-2.cpp
Path Sum.cpp
Pattern.cpp
PeakElement.cpp
Perfect Squares in a Range.cpp
Permutation Sequence.cpp
Permutation in String.cpp
Permutations II.cpp
Permutations of a given string.cpp
Permutations.cpp
Pivot Index.cpp
Plus 1.cpp
Plus One.cpp
Populate Right Pointers.cpp
Post-order Traversal Of Tree (Recursive).cpp
Pow(x , n ).cpp
Pow(x, n).cpp
Power Of A String.cpp
Power Of Three.cpp
Power Of Two.cpp
Prim's Minimum Spanning Tree.cpp
Print LCS of 2 strings.cpp
Print all nodes that don't have sibling .cpp
Print the Kth Digit .cpp
Push At Bottom.cpp
Pythagorean Triplet.cpp
Queue Using 2 stacks - Amortized.cpp
Queue Using 2 stacks.cpp
Quick Sort.cpp
README.md
Rank Transform of an Array.cpp
Ransom Note.cpp
Rat In A Maze.cpp
Rearrange Array Elements by Sign.cpp
Recover BST.cpp
Recover Binary Search Tree.cpp
Red Or Green.cpp
Reduce Array Size to The Half.cpp
Remove Covered Intervals.cpp
Remove Duplicates from Sorted Array II.cpp
Remove Duplicates from sorted array.cpp
Remove Element From Vector.cpp
Remove K Digits.cpp
Remove Linked List Elements.cpp
Remove Loop In LinkedList.cpp
Remove all duplicates from a given string.cpp
Replace All Digits with Characters.cpp
Reverse DLL.cpp
Reverse Integer.cpp
Reverse Level Order Traversal.cpp
Reverse List From Middle.cpp
Reverse Only Letters.cpp
Reverse Prefix of Word.cpp
Reverse Queue.cpp
Reverse Stack Using Recursion.cpp
Reverse a Linked List in groups of given size.cpp
Reverse each word in a given string .cpp
ReverseVowelsInString.cpp
Revrse Level Order.cpp
Richest Customer Wealth.cpp
Right View Of binary tree.cpp
Rings and Rods.cpp
Root to leave paths.cpp
Rotate Image by 90 Anti-Clockwise.cpp
Rotate Image by 90 Clockwise.cpp
Rotate String
Rotate an array.cpp
Rotting Oranges.cpp
Same Array.cpp
Same Tree.cpp
Same binary Tree.cpp
Search Insert Position.cpp
Search a 2D Matrix.cpp
Search_BST.cpp
Second-Highest.sql
Sequential numbers.cpp
Serialize & Deserialize Binary tree.cpp
Set Matrix Zeroes.cpp
Set kth bit.cpp
Shortest Common Supersequence.cpp
Shuffle-the-array.cpp
Sieve of Eratosthenes.cpp
Single Element in a Sorted Array.cpp
Sliding Window Maximum.cpp
Slowest Key.cpp
Smallest Element in a Sorted Matrix.cpp
Smallest Number On Left.cpp
SmallestMissingPositiveNo.cpp
Sort Array By Parity.cpp
Sort Array by Increasing Frequency.cpp
Sort Integers by The Number of 1 Bits..cpp
Sort Integers by The Power Value.cpp
Sort Matrix.cpp
Sort Stack.cpp
Sort an Array.cpp
Sort strings based on position value.cpp
Sort_Colours.cpp
Sorted Array To BST.cpp
Sorting the Sentence.cpp
SparseArray.cpp
Spiral Matrix II.cpp
Spiral Matrix.cpp
Sqrt(x) Using Binary Search.cpp
Squares of a Sorted Array in O(n) time.cpp
Squares of a Sorted Array.cpp
Stack element frequencies.c
Stack using 1 queue.cpp
Stack using 2 queues.cpp
Staircase.cpp
Stock Span Problem.cpp
Strongly Connected Components.cpp
Subarray Product Less Than K.cpp
Subarray Sum equals K(naive).cpp
Subarray With 0 Sum.cpp
Substring Without Repeating Characters.cpp
Sum Root to Leaf Numbers.cpp
Sum Tree.cpp
Sum of Left Leaf Nodes .cpp
Sum of Left Leaves.cpp
Sum of Root To Leaf Binary Numbers.cpp
Switch Names.java
Symmetric Tree.cpp
Target Indices After Sorting.cpp
Thief trying to escape.cpp
Tilt Of Binary Tree.cpp
Time Manipulation.cpp
Toeplitz Matrix.cpp
Top K elements in array.cpp
Top View of Binary Tree.cpp
Topological Sort.cpp
Trapping Rain Water - 2.cpp
Trapping Rain Water.cpp
Tree Functions.cpp
Tree Paths.cpp
Tree-inorder.cpp
Truncate Sentence.cpp
Twice Counter.cpp
Union of two arrays.cpp
Unique BSTs.cpp
Unique Element In Array.cpp
Unique Number.cpp
Unique Paths II.cpp
Unique Paths.cpp
Unique Trees.cpp
Valid Pair Sum.cpp
Valid Palindrome II.cpp
Valid Palindrome.cpp
Valid Parenthesis.cpp
Valid Perfect Square.cpp
Validate BST.cpp
Wave Array.cpp
Word Pattern.cpp
XOR-Single Number.cpp
array-max-diff.zip
array-template.zip
bank-management-in-java.zip
binary-file-read-and-write.zip
bst-insertion-and-deletion.zip
bubble-sort.zip
changing-case-of-character-in-java.zip
checking-name-using-exception-handling.zip
circular-queue-using-array.zip
circular-queue-using-ll.zip
circular_linkedlist.c
cli-exceptions.zip
compare-2-distances.zip
compare-2-time-vals.zip
comparing-characters-in-java.zip
custom-atoi-function-implementation.zip
days-of-a-week-in-java.zip
delete-second-occurrence-of-element-from-dll.zip
deque-using-array.zip
distance-between-2-points.zip
dll-insert-and-delete.zip
double_circular_linklist.c
element-at-given-index-of-a-generic-array-using-templates-exception-handling.zip
feet-and-meters--distance-comparison.zip
file-content-from-index-n.zip
file-count-operations.zip
frequency-of-word-in-string-array.zip
friend-func----add-2-data-objs-of-2-classes.zip
function-overloading-to-find-area.zip
generic-array-maximum-element.zip
handling-exceptions-while-reversing-case.zip
height-of-binary-tree.zip
infix-to-postfix-expression.zip
infix-to-prefix-expression.zip
infix_to_postfix_conversion_using_stack.c
insertion-sort.zip
integer-stack-element-frequency.zip
interface-in-java.zip
java-account-exception.zip
java-bank.zip
java-palindrome.zip
java-stack-exception-handling.zip
java-time-exception-handling.zip
join-2-dclls.zip
kth-largest-element-in-bst.zip
level_order_tree.cpp
linear-search-on-generic-array.zip
linked-list-palindrome-check-and-sorted-insert.zip
linkedlist-functions.zip
manipulators.zip
max-element-of-a-generic-array-using-templates.zip
merge-sort.zip
merge-two-sorted-lists.cpp
missing-number-in-java.zip
paranthesis-checker-using-stack-stl.zip
password-generator.zip
peak-index-in-a-mountain-array.cpp
priority-queue-using-array.zip
queue-using-ll.zip
queue-using-stack.zip
queue-using-stl.zip
quick-sort.zip
remove-duplicates-from-unsorted-ll.zip
reverse-file-and-save-in-another-file.zip
reversing-sentence-using-stack.zip
reversing-single-linked-list.zip
revese-string-using-stack-stl.zip
row-with-max-1-s-in-matrix.zip
segregate-queue.zip
selection-sort.zip
shape-area-using-virtual-function.zip
single-linked-list-reversal.zip
single-ll-template.zip
sort-stack-using-temporary-stack (1).zip
sorts.zip
stack-elements-with-frequency.zip
stack-using-ll.zip
string-overloading.zip
student-performance-in-java.zip
sum-of-digits-in-java.zip
sum-of-time-objects.zip
swap-private-members-using-friend-function.zip
swap-using-friend-functiom.zip
template-array-operations.zip
template-union.zip
tree-in-3d.zip
tree-traversals-iterative-and-recursive.zip

Count Squares.cpp

Create Count Squares.cpp

Nov 7, 2021

2844437 · Nov 7, 2021