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


82
views
0
votes
1
answer
Remove duplicate characters in a string
  • Created: 1 month ago
  • Tags: duplicate character string
285
views
0
votes
1
answer
Check whether an arithmetic expression has balanced parentheses
  • Created: 3 months ago
  • Tags: stack stackqueuelinkedlist
625
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
336
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
390
views
0
votes
1
answer
Print Binary Tree level by level with new line
  • Created: 1 year ago
  • Tags: node queue root
438
views
0
votes
1
answer
Print Binary Tree level by level
  • Created: 1 year ago
  • Tags: node queue root
310
views
0
votes
1
answer
Check whether a number is Ugly Number or not
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
383
views
0
votes
1
answer
Find nth Ugly Number
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
227
views
0
votes
1
answer
691
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
547
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
744
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
230
views
0
votes
1
answer
Derive an algorithm from two given algorithms
  • Created: 1 year ago
  • Tags: timecomplexity general
203
views
0
votes
1
answer
Design a function in a sequence (part 2)
  • Created: 1 year ago
  • Tags: inversion remove general
237
views
0
votes
1
answer
Number of comparisons to search an element in a bitonic array
  • Created: 1 year ago
  • Tags: searching sortedarray array
215
views
0
votes
1
answer
Number of comparisons in Nuts and bolts problem
  • Created: 1 year ago
  • Tags: sorting quicksort matching
451
views
0
votes
1
answer
Remove duplicates in a sorted integer array
  • Created: 1 year ago
  • Tags: sortedarray array searching
292
views
0
votes
1
answer
Remove duplicates in an integer array using additional data structure
  • Created: 1 year ago
  • Tags: timecomplexity array searching
237
views
5
votes
1
answer
313
views
0
votes
1
answer
259
views
0
votes
1
answer
Stack depth of the modified Quicksort algorithm
  • Created: 1 year ago
  • Tags: recursion array sorting
238
views
0
votes
1
answer
Sort the characters of a String
  • Created: 1 year ago
  • Tags: sorting character string
244
views
0
votes
1
answer
Find duplicates in a String
  • Created: 1 year ago
  • Tags: duplicate character string
269
views
0
votes
1
answer
Print permutation of a string
  • Created: 1 year ago
  • Tags: recursion character string
223
views
0
votes
1
answer
Time complexity of a datastructure by number of operations
  • Created: 1 year ago
  • Tags: sortedarray array general
222
views
0
votes
0
answers
Find the missing number from a sorted list
  • Created: 6 months ago
  • Tags: sortedarray searching logarithmictime
253
views
0
votes
0
answers
Sort and merge two large data streams
  • Created: 6 months ago
  • Tags: mergesort sorting bigdata
169
views
0
votes
0
answers
Print the order of letters in sorting a list of sorted words
  • Created: 6 months ago
  • Tags: soting string
216
views
0
votes
0
answers
Longest subsequence with uniform frequency distributon
  • Created: 6 months ago
  • Tags: array searching
236
views
0
votes
0
answers
Find k^th largest element in a sorted matrix
  • Created: 6 months ago
  • Tags: lineartime sorting searching
204
views
0
votes
0
answers
Find Taxicab Numbers
  • Created: 6 months ago
  • Tags: general
691
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
237
views
0
votes
1
answer
Number of comparisons to search an element in a bitonic array
  • Created: 1 year ago
  • Tags: searching sortedarray array
215
views
0
votes
1
answer
Number of comparisons in Nuts and bolts problem
  • Created: 1 year ago
  • Tags: sorting quicksort matching
451
views
0
votes
1
answer
Remove duplicates in a sorted integer array
  • Created: 1 year ago
  • Tags: sortedarray array searching
237
views
5
votes
1
answer
313
views
0
votes
1
answer
259
views
0
votes
1
answer
Stack depth of the modified Quicksort algorithm
  • Created: 1 year ago
  • Tags: recursion array sorting
238
views
0
votes
1
answer
Sort the characters of a String
  • Created: 1 year ago
  • Tags: sorting character string
223
views
0
votes
1
answer
Time complexity of a datastructure by number of operations
  • Created: 1 year ago
  • Tags: sortedarray array general
203
views
0
votes
1
answer
Order the sequence in an array
  • Created: 1 year ago
  • Tags: array sorting general
249
views
0
votes
1
answer
Search in partial sorted matrix
  • Created: 1 year ago
  • Tags: searching sorting matrix
206
views
0
votes
1
answer
Count number of occurence in a sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
217
views
0
votes
1
answer
Search in a sorted array by value vs. index
  • Created: 1 year ago
  • Tags: sortedarray array searching
222
views
0
votes
1
answer
Find three elements from three sorted arrays
  • Created: 1 year ago
  • Tags: sortedarray array searching
253
views
0
votes
0
answers
Sort and merge two large data streams
  • Created: 6 months ago
  • Tags: mergesort sorting bigdata
302
views
0
votes
1
answer
Recursive version of Insertion Sort
  • Created: 1 year ago
  • Tags: basicsorting sorting recursion
255
views
1
votes
1
answer
Linear time algorithm to sort an array of two distinct elements
  • Created: 1 year ago
  • Tags: lineartime sorting basicsorting
194
views
0
votes
1
answer
Searching for an element in a 2-d sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
258
views
0
votes
1
answer
Find smallest number greater than a given integer in an array
  • Created: 1 year ago
  • Tags: sortedarray array searching
528
views
0
votes
1
answer
Search in a bitonic array
  • Created: 1 year ago
  • Tags: sortedarray array searching
325
views
0
votes
1
answer
Find intersection of two sorted integer arrays
  • Created: 1 year ago
  • Tags: sortedarray array searching
257
views
0
votes
1
answer
Number of comparisons to find an element in a sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
178
views
0
votes
1
answer
Sort 100 thousand integers (range given) in linear time
  • Created: 1 year ago
  • Tags: sorting lineartime bigdata
244
views
0
votes
1
answer
354
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
625
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
336
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
547
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
237
views
0
votes
1
answer
Number of comparisons to search an element in a bitonic array
  • Created: 1 year ago
  • Tags: searching sortedarray array
451
views
0
votes
1
answer
Remove duplicates in a sorted integer array
  • Created: 1 year ago
  • Tags: sortedarray array searching
292
views
0
votes
1
answer
Remove duplicates in an integer array using additional data structure
  • Created: 1 year ago
  • Tags: timecomplexity array searching
237
views
5
votes
1
answer
223
views
0
votes
1
answer
Time complexity of a datastructure by number of operations
  • Created: 1 year ago
  • Tags: sortedarray array general
261
views
0
votes
1
answer
Maximum Sum subarray
  • Created: 1 year ago
  • Tags: subarray array searching
202
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
220
views
0
votes
1
answer
Find k normalizing the elements greater than k in an array
  • Created: 1 year ago
  • Tags: timecomplexity array searching
446
views
0
votes
1
answer
Find heavy integers
  • Created: 1 year ago
  • Tags: heavyinteger searching
220
views
0
votes
1
answer
Find the smallest element not in an array
  • Created: 1 year ago
  • Tags: array searching
216
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
313
views
0
votes
1
answer
Find highest and lowest element in an array with minimum comparisons
  • Created: 1 year ago
  • Tags: array searching noOfComparisons
249
views
0
votes
1
answer
Search in partial sorted matrix
  • Created: 1 year ago
  • Tags: searching sorting matrix
279
views
0
votes
1
answer
Find 2nd largest number in an array with minimum comparisons
  • Created: 1 year ago
  • Tags: array searching noOfComparisons
233
views
0
votes
1
answer
Search smallest number in a binary matrix
  • Created: 1 year ago
  • Tags: binary searching matrix
355
views
0
votes
1
answer
Check if two arrays are permutation of each other
  • Created: 1 year ago
  • Tags: array searching permutation
252
views
0
votes
1
answer
Search the next highest number with same set of digits
  • Created: 1 year ago
  • Tags: searching
367
views
0
votes
1
answer
Remove duplicates in an integer array
  • Created: 1 year ago
  • Tags: array searching remove
206
views
0
votes
1
answer
Count number of occurence in a sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
217
views
0
votes
1
answer
Search in a sorted array by value vs. index
  • Created: 1 year ago
  • Tags: sortedarray array searching
222
views
0
votes
1
answer
Find three elements from three sorted arrays
  • Created: 1 year ago
  • Tags: sortedarray array searching
194
views
0
votes
1
answer
Searching for an element in a 2-d sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
82
views
0
votes
1
answer
Remove duplicate characters in a string
  • Created: 1 month ago
  • Tags: duplicate character string
238
views
0
votes
1
answer
Sort the characters of a String
  • Created: 1 year ago
  • Tags: sorting character string
244
views
0
votes
1
answer
Find duplicates in a String
  • Created: 1 year ago
  • Tags: duplicate character string
269
views
0
votes
1
answer
Print permutation of a string
  • Created: 1 year ago
  • Tags: recursion character string
169
views
0
votes
0
answers
Print the order of letters in sorting a list of sorted words
  • Created: 6 months ago
  • Tags: soting string
282
views
0
votes
1
answer
Huffman coding problem
  • Created: 8 months ago
  • Tags: array huffmancoding string
292
views
0
votes
1
answer
Check whether one string is a rotation of another
  • Created: 1 year ago
  • Tags: rotation character string
207
views
0
votes
1
answer
Check whether string is palindrome or not
  • Created: 1 year ago
  • Tags: palindrome character string
249
views
0
votes
1
answer
Check whether two strings are anagram
  • Created: 1 year ago
  • Tags: anagram character string
332
views
0
votes
1
answer
Reverse words in a sentence
  • Created: 1 year ago
  • Tags: character string reverse
196
views
0
votes
1
answer
Reverse a string in place
  • Created: 1 year ago
  • Tags: character string reverse
303
views
0
votes
1
answer
First non-repeating character in a string
  • Created: 1 year ago
  • Tags: character string
625
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
336
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
390
views
0
votes
1
answer
Print Binary Tree level by level with new line
  • Created: 1 year ago
  • Tags: node queue root
438
views
0
votes
1
answer
Print Binary Tree level by level
  • Created: 1 year ago
  • Tags: node queue root
247
views
0
votes
1
answer
Unique binary search tree from n distinct nodes
  • Created: 10 months ago
  • Tags: node noofedges binarysearchtree
762
views
0
votes
1
answer
Check binary tree balanced or not
  • Created: 1 year ago
  • Tags: balancedtree binarytree
289
views
0
votes
1
answer
Sorted array to BST
  • Created: 1 year ago
  • Tags: sortedarray array binarysearchtree
551
views
0
votes
1
answer
Count smaller elements on right side in an array
  • Created: 1 year ago
  • Tags: array binarysearchtree binarytree
315
views
0
votes
1
answer
Find Lowest Common Ancestor in a binary tree
  • Created: 1 year ago
  • Tags: node binarytree
315
views
0
votes
1
answer
Inorder traversal of BST without extra space
  • Created: 1 year ago
  • Tags: binarysearchtree binarytree inordertraversal
246
views
0
votes
1
answer
Compute height of a tree at root
  • Created: 1 year ago
  • Tags: node root binarytree
203
views
0
votes
1
answer
Check if a pair of vertices have common neighbor
  • Created: 1 year ago
  • Tags: node binarytree
338
views
0
votes
1
answer
Check whether a binary tree is a binary search tree
  • Created: 1 year ago
  • Tags: node binarysearchtree pointer
277
views
0
votes
1
answer
In-order traversal : Binary search tree vs. Heap
  • Created: 1 year ago
  • Tags: binarysearchtree heap inordertraversal
230
views
0
votes
1
answer
Difference between binary search tree and heap
  • Created: 1 year ago
  • Tags: binarysearchtree tree heap
285
views
0
votes
1
answer
Check whether an arithmetic expression has balanced parentheses
  • Created: 3 months ago
  • Tags: stack stackqueuelinkedlist
390
views
0
votes
1
answer
Print Binary Tree level by level with new line
  • Created: 1 year ago
  • Tags: node queue root
438
views
0
votes
1
answer
Print Binary Tree level by level
  • Created: 1 year ago
  • Tags: node queue root
313
views
0
votes
1
answer
259
views
0
votes
1
answer
Stack depth of the modified Quicksort algorithm
  • Created: 1 year ago
  • Tags: recursion array sorting
496
views
0
votes
1
answer
Merge sort on LinkedList
  • Created: 1 year ago
  • Tags: mergesort array sorting
169
views
0
votes
1
answer
Doubly Linked list to a Singly Linked list
  • Created: 1 year ago
  • Tags: timecomplexity doublylinkedlist stackqueuelinkedlist
283
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
174
views
0
votes
1
answer
Find 'n' th last element in a singly Linked list
  • Created: 1 year ago
  • Tags: node linkedlist stackqueuelinkedlist
225
views
0
votes
1
answer
Stack using queue
  • Created: 1 year ago
  • Tags: queue stack stackqueuelinkedlist
221
views
0
votes
1
answer
Queue using stack
  • Created: 1 year ago
  • Tags: queue stack stackqueuelinkedlist
228
views
0
votes
1
answer
Reverse a doubly Linked List
  • Created: 1 year ago
  • Tags: node doublylinkedlist linkedlist
237
views
0
votes
1
answer
Reverse a Linked List with recursion
  • Created: 1 year ago
  • Tags: node recursion reverse
187
views
0
votes
1
answer
Remove duplicates in an unsorted Linked List
  • Created: 1 year ago
  • Tags: node stackqueuelinkedlist linkedlist
205
views
0
votes
1
answer
Create a Linked List
  • Created: 1 year ago
  • Tags: node linkedlist stackqueuelinkedlist
216
views
0
votes
1
answer
Detect a loop in a Linked List
  • Created: 1 year ago
  • Tags: node stackqueuelinkedlist linkedlist
170
views
0
votes
1
answer
Delete last link of a Linked List
  • Created: 1 year ago
  • Tags: node linkedlist stackqueuelinkedlist
677
views
0
votes
1
answer
Delete a node in a Singly Linked List
  • Created: 1 year ago
  • Tags: node singlylinkedlist linkedlist
310
views
0
votes
1
answer
Check whether a number is Ugly Number or not
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
383
views
0
votes
1
answer
Find nth Ugly Number
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
497
views
0
votes
1
answer
Find maximum sum subarray (non-contiguous)
  • Created: 8 months ago
  • Tags: subarray array dynamicprogramming
214
views
0
votes
1
answer
Find maximum sum subarray
  • Created: 9 months ago
  • Tags: subarray array dynamicprogramming
161
views
0
votes
1
answer
Compute binomial coefficient
  • Created: 1 year ago
  • Tags: recursion binomial dynamicprogramming