Take a Test

Adaptive quizzes to evaluate your skillset

Ask a Question

Enagage the community to ask and learn

Create a Collection

Archive content for future reference


194
views
0
votes
1
answer
Check whether an arithmetic expression has balanced parentheses
  • Created: 2 months ago
  • Tags: stack stackqueuelinkedlist
503
views
0
votes
1
answer
Find next higher key in Binary Search Tree with parent pointer given
  • Created: 1 year ago
  • Tags: node binarysearchtree binarytree
271
views
0
votes
1
answer
Find next higher key in Binary Search Tree when the parent pointer is not given
  • Created: 1 year ago
  • Tags: node binarysearchtree binarytree
298
views
0
votes
1
answer
Print Binary Tree level by level with new line
  • Created: 1 year ago
  • Tags: node queue root
347
views
0
votes
1
answer
Print Binary Tree level by level
  • Created: 1 year ago
  • Tags: node queue root
267
views
0
votes
1
answer
Check whether a number is Ugly Number or not
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
280
views
0
votes
1
answer
Find nth Ugly Number
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
195
views
0
votes
1
answer
451
views
0
votes
1
answer
Divide the elements of an array into group of 3 or 7, instead of 5 in Deterministic Selection algorithm
  • Created: 1 year ago
  • Tags: timecomplexity deterministicselection sorting
394
views
0
votes
1
answer
Find two elements from an array whose sum equals a given element
  • Created: 1 year ago
  • Tags: timecomplexity linearithmictime array
533
views
0
votes
1
answer
Find all subsets of a fixed size k of the set [1, 2, 3... n]
  • Created: 1 year ago
  • Tags: subset set general
195
views
0
votes
1
answer
Derive an algorithm from two given algorithms
  • Created: 1 year ago
  • Tags: timecomplexity general
179
views
0
votes
1
answer
Design a function in a sequence (part 2)
  • Created: 1 year ago
  • Tags: inversion remove general
191
views
0
votes
1
answer
Number of comparisons to search an element in a bitonic array
  • Created: 1 year ago
  • Tags: searching sortedarray array
183
views
0
votes
1
answer
Number of comparisons in Nuts and bolts problem
  • Created: 1 year ago
  • Tags: sorting quicksort matching
349
views
0
votes
1
answer
Remove duplicates in a sorted integer array
  • Created: 1 year ago
  • Tags: sortedarray array searching
237
views
0
votes
1
answer
Remove duplicates in an integer array using additional data structure
  • Created: 1 year ago
  • Tags: timecomplexity array searching
204
views
5
votes
1
answer
270
views
0
votes
1
answer
214
views
0
votes
1
answer
Stack depth of the modified Quicksort algorithm
  • Created: 1 year ago
  • Tags: recursion array sorting
209
views
0
votes
1
answer
Sort the characters of a String
  • Created: 1 year ago
  • Tags: sorting character string
213
views
0
votes
1
answer
Find duplicates in a String
  • Created: 1 year ago
  • Tags: duplicate character string
231
views
0
votes
1
answer
Print permutation of a string
  • Created: 1 year ago
  • Tags: recursion character string
187
views
0
votes
1
answer
Time complexity of a datastructure by number of operations
  • Created: 1 year ago
  • Tags: sortedarray array general
200
views
0
votes
1
answer
Mathematical induction in recursion
  • Created: 1 year ago
  • Tags: recursion timecomplexity general
188
views
0
votes
0
answers
Find the missing number from a sorted list
  • Created: 5 months ago
  • Tags: sortedarray searching logarithmictime
208
views
0
votes
0
answers
Sort and merge two large data streams
  • Created: 5 months ago
  • Tags: mergesort sorting bigdata
133
views
0
votes
0
answers
Print the order of letters in sorting a list of sorted words
  • Created: 5 months ago
  • Tags: soting string
184
views
0
votes
0
answers
Longest subsequence with uniform frequency distributon
  • Created: 5 months ago
  • Tags: array searching
199
views
0
votes
0
answers
Find k^th largest element in a sorted matrix
  • Created: 5 months ago
  • Tags: lineartime sorting searching
173
views
0
votes
0
answers
Find Taxicab Numbers
  • Created: 5 months ago
  • Tags: general
451
views
0
votes
1
answer
Divide the elements of an array into group of 3 or 7, instead of 5 in Deterministic Selection algorithm
  • Created: 1 year ago
  • Tags: timecomplexity deterministicselection sorting
191
views
0
votes
1
answer
Number of comparisons to search an element in a bitonic array
  • Created: 1 year ago
  • Tags: searching sortedarray array
183
views
0
votes
1
answer
Number of comparisons in Nuts and bolts problem
  • Created: 1 year ago
  • Tags: sorting quicksort matching
349
views
0
votes
1
answer
Remove duplicates in a sorted integer array
  • Created: 1 year ago
  • Tags: sortedarray array searching
204
views
5
votes
1
answer
270
views
0
votes
1
answer
214
views
0
votes
1
answer
Stack depth of the modified Quicksort algorithm
  • Created: 1 year ago
  • Tags: recursion array sorting
209
views
0
votes
1
answer
Sort the characters of a String
  • Created: 1 year ago
  • Tags: sorting character string
187
views
0
votes
1
answer
Time complexity of a datastructure by number of operations
  • Created: 1 year ago
  • Tags: sortedarray array general
169
views
0
votes
1
answer
Order the sequence in an array
  • Created: 1 year ago
  • Tags: array sorting general
224
views
0
votes
1
answer
Search in partial sorted matrix
  • Created: 1 year ago
  • Tags: searching sorting matrix
170
views
0
votes
1
answer
Count number of occurence in a sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
189
views
0
votes
1
answer
Search in a sorted array by value vs. index
  • Created: 1 year ago
  • Tags: sortedarray array searching
183
views
0
votes
1
answer
Find three elements from three sorted arrays
  • Created: 1 year ago
  • Tags: sortedarray array searching
208
views
0
votes
0
answers
Sort and merge two large data streams
  • Created: 5 months ago
  • Tags: mergesort sorting bigdata
250
views
0
votes
1
answer
Recursive version of Insertion Sort
  • Created: 1 year ago
  • Tags: basicsorting sorting recursion
210
views
1
votes
1
answer
Linear time algorithm to sort an array of two distinct elements
  • Created: 1 year ago
  • Tags: lineartime sorting basicsorting
171
views
0
votes
1
answer
Searching for an element in a 2-d sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
209
views
0
votes
1
answer
Find smallest number greater than a given integer in an array
  • Created: 1 year ago
  • Tags: sortedarray array searching
417
views
0
votes
1
answer
Search in a bitonic array
  • Created: 1 year ago
  • Tags: sortedarray array searching
276
views
0
votes
1
answer
Find intersection of two sorted integer arrays
  • Created: 1 year ago
  • Tags: sortedarray array searching
204
views
0
votes
1
answer
Number of comparisons to find an element in a sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
150
views
0
votes
1
answer
Sort 100 thousand integers (range given) in linear time
  • Created: 1 year ago
  • Tags: sorting lineartime bigdata
192
views
0
votes
1
answer
234
views
0
votes
1
answer
Running time of heapsort for a sorted array in ascending/descending order
  • Created: 1 year ago
  • Tags: timecomplexity heapsort sorting
503
views
0
votes
1
answer
Find next higher key in Binary Search Tree with parent pointer given
  • Created: 1 year ago
  • Tags: node binarysearchtree binarytree
271
views
0
votes
1
answer
Find next higher key in Binary Search Tree when the parent pointer is not given
  • Created: 1 year ago
  • Tags: node binarysearchtree binarytree
394
views
0
votes
1
answer
Find two elements from an array whose sum equals a given element
  • Created: 1 year ago
  • Tags: timecomplexity linearithmictime array
191
views
0
votes
1
answer
Number of comparisons to search an element in a bitonic array
  • Created: 1 year ago
  • Tags: searching sortedarray array
349
views
0
votes
1
answer
Remove duplicates in a sorted integer array
  • Created: 1 year ago
  • Tags: sortedarray array searching
237
views
0
votes
1
answer
Remove duplicates in an integer array using additional data structure
  • Created: 1 year ago
  • Tags: timecomplexity array searching
204
views
5
votes
1
answer
187
views
0
votes
1
answer
Time complexity of a datastructure by number of operations
  • Created: 1 year ago
  • Tags: sortedarray array general
223
views
0
votes
1
answer
Maximum Sum subarray
  • Created: 1 year ago
  • Tags: subarray array searching
171
views
0
votes
1
answer
Find element occurring k2 times in an array sized (n x k1)+k2
  • Created: 1 year ago
  • Tags: timecomplexity lineartime array
182
views
0
votes
1
answer
Find k normalizing the elements greater than k in an array
  • Created: 1 year ago
  • Tags: timecomplexity array searching
349
views
0
votes
1
answer
Find heavy integers
  • Created: 1 year ago
  • Tags: heavyinteger searching
177
views
0
votes
1
answer
Find the smallest element not in an array
  • Created: 1 year ago
  • Tags: array searching
178
views
0
votes
1
answer
Check if a given number is the sum of two numbers from two arrays
  • Created: 1 year ago
  • Tags: array searching matching
249
views
0
votes
1
answer
Find highest and lowest element in an array with minimum comparisons
  • Created: 1 year ago
  • Tags: array searching noOfComparisons
224
views
0
votes
1
answer
Search in partial sorted matrix
  • Created: 1 year ago
  • Tags: searching sorting matrix
202
views
0
votes
1
answer
Find 2nd largest number in an array with minimum comparisons
  • Created: 1 year ago
  • Tags: array searching noOfComparisons
190
views
0
votes
1
answer
Search smallest number in a binary matrix
  • Created: 1 year ago
  • Tags: binary searching matrix
264
views
0
votes
1
answer
Check if two arrays are permutation of each other
  • Created: 1 year ago
  • Tags: array searching permutation
209
views
0
votes
1
answer
Search the next highest number with same set of digits
  • Created: 1 year ago
  • Tags: searching
289
views
0
votes
1
answer
Remove duplicates in an integer array
  • Created: 1 year ago
  • Tags: array searching remove
170
views
0
votes
1
answer
Count number of occurence in a sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
189
views
0
votes
1
answer
Search in a sorted array by value vs. index
  • Created: 1 year ago
  • Tags: sortedarray array searching
183
views
0
votes
1
answer
Find three elements from three sorted arrays
  • Created: 1 year ago
  • Tags: sortedarray array searching
171
views
0
votes
1
answer
Searching for an element in a 2-d sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
209
views
0
votes
1
answer
Sort the characters of a String
  • Created: 1 year ago
  • Tags: sorting character string
213
views
0
votes
1
answer
Find duplicates in a String
  • Created: 1 year ago
  • Tags: duplicate character string
231
views
0
votes
1
answer
Print permutation of a string
  • Created: 1 year ago
  • Tags: recursion character string
133
views
0
votes
0
answers
Print the order of letters in sorting a list of sorted words
  • Created: 5 months ago
  • Tags: soting string
205
views
0
votes
1
answer
Huffman coding problem
  • Created: 7 months ago
  • Tags: array huffmancoding string
201
views
0
votes
1
answer
Check whether one string is a rotation of another
  • Created: 1 year ago
  • Tags: rotation character string
179
views
0
votes
1
answer
Check whether string is palindrome or not
  • Created: 1 year ago
  • Tags: palindrome character string
210
views
0
votes
1
answer
Check whether two strings are anagram
  • Created: 1 year ago
  • Tags: anagram character string
292
views
0
votes
1
answer
Reverse words in a sentence
  • Created: 1 year ago
  • Tags: character string reverse
166
views
0
votes
1
answer
Reverse a string in place
  • Created: 1 year ago
  • Tags: character string reverse
259
views
0
votes
1
answer
First non-repeating character in a string
  • Created: 1 year ago
  • Tags: character string
503
views
0
votes
1
answer
Find next higher key in Binary Search Tree with parent pointer given
  • Created: 1 year ago
  • Tags: node binarysearchtree binarytree
271
views
0
votes
1
answer
Find next higher key in Binary Search Tree when the parent pointer is not given
  • Created: 1 year ago
  • Tags: node binarysearchtree binarytree
298
views
0
votes
1
answer
Print Binary Tree level by level with new line
  • Created: 1 year ago
  • Tags: node queue root
347
views
0
votes
1
answer
Print Binary Tree level by level
  • Created: 1 year ago
  • Tags: node queue root
212
views
0
votes
1
answer
Unique binary search tree from n distinct nodes
  • Created: 9 months ago
  • Tags: node noofedges binarysearchtree
463
views
0
votes
1
answer
Check binary tree balanced or not
  • Created: 1 year ago
  • Tags: balancedtree binarytree
223
views
0
votes
1
answer
Sorted array to BST
  • Created: 1 year ago
  • Tags: sortedarray array binarysearchtree
457
views
0
votes
1
answer
Count smaller elements on right side in an array
  • Created: 1 year ago
  • Tags: array binarysearchtree binarytree
237
views
0
votes
1
answer
Find Lowest Common Ancestor in a binary tree
  • Created: 1 year ago
  • Tags: node binarytree
242
views
0
votes
1
answer
Inorder traversal of BST without extra space
  • Created: 1 year ago
  • Tags: binarysearchtree binarytree inordertraversal
191
views
0
votes
1
answer
Compute height of a tree at root
  • Created: 1 year ago
  • Tags: node root binarytree
170
views
0
votes
1
answer
Check if a pair of vertices have common neighbor
  • Created: 1 year ago
  • Tags: node binarytree
277
views
0
votes
1
answer
Check whether a binary tree is a binary search tree
  • Created: 1 year ago
  • Tags: node binarysearchtree pointer
211
views
0
votes
1
answer
In-order traversal : Binary search tree vs. Heap
  • Created: 1 year ago
  • Tags: binarysearchtree heap inordertraversal
189
views
0
votes
1
answer
Difference between binary search tree and heap
  • Created: 1 year ago
  • Tags: binarysearchtree tree heap
194
views
0
votes
1
answer
Check whether an arithmetic expression has balanced parentheses
  • Created: 2 months ago
  • Tags: stack stackqueuelinkedlist
298
views
0
votes
1
answer
Print Binary Tree level by level with new line
  • Created: 1 year ago
  • Tags: node queue root
347
views
0
votes
1
answer
Print Binary Tree level by level
  • Created: 1 year ago
  • Tags: node queue root
270
views
0
votes
1
answer
214
views
0
votes
1
answer
Stack depth of the modified Quicksort algorithm
  • Created: 1 year ago
  • Tags: recursion array sorting
366
views
0
votes
1
answer
Merge sort on LinkedList
  • Created: 1 year ago
  • Tags: mergesort array sorting
136
views
0
votes
1
answer
Doubly Linked list to a Singly Linked list
  • Created: 11 months ago
  • Tags: timecomplexity doublylinkedlist stackqueuelinkedlist
229
views
0
votes
1
answer
Delete a node in a singly Linked List having access to that node
  • Created: 1 year ago
  • Tags: node singlylinkedlist linkedlist
140
views
0
votes
1
answer
Find 'n' th last element in a singly Linked list
  • Created: 1 year ago
  • Tags: node linkedlist stackqueuelinkedlist
166
views
0
votes
1
answer
Stack using queue
  • Created: 1 year ago
  • Tags: queue stack stackqueuelinkedlist
163
views
0
votes
1
answer
Queue using stack
  • Created: 1 year ago
  • Tags: queue stack stackqueuelinkedlist
184
views
0
votes
1
answer
Reverse a doubly Linked List
  • Created: 1 year ago
  • Tags: node doublylinkedlist linkedlist
162
views
0
votes
1
answer
Reverse a Linked List with recursion
  • Created: 1 year ago
  • Tags: node recursion reverse
131
views
0
votes
1
answer
Remove duplicates in an unsorted Linked List
  • Created: 1 year ago
  • Tags: node stackqueuelinkedlist linkedlist
172
views
0
votes
1
answer
Create a Linked List
  • Created: 1 year ago
  • Tags: node linkedlist stackqueuelinkedlist
155
views
0
votes
1
answer
Detect a loop in a Linked List
  • Created: 1 year ago
  • Tags: node stackqueuelinkedlist linkedlist
134
views
0
votes
1
answer
Delete last link of a Linked List
  • Created: 1 year ago
  • Tags: node linkedlist stackqueuelinkedlist
594
views
0
votes
1
answer
Delete a node in a Singly Linked List
  • Created: 1 year ago
  • Tags: node singlylinkedlist linkedlist
267
views
0
votes
1
answer
Check whether a number is Ugly Number or not
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
280
views
0
votes
1
answer
Find nth Ugly Number
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
292
views
0
votes
1
answer
Find maximum sum subarray (non-contiguous)
  • Created: 7 months ago
  • Tags: subarray array dynamicprogramming
173
views
0
votes
1
answer
Find maximum sum subarray
  • Created: 8 months ago
  • Tags: subarray array dynamicprogramming
118
views
0
votes
1
answer
Compute binomial coefficient
  • Created: 1 year ago
  • Tags: recursion binomial dynamicprogramming