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15
views
0
votes
1
answer
Remove duplicate characters in a string
  • Created: 1 day ago
  • Tags: duplicate character string
220
views
0
votes
1
answer
Check whether an arithmetic expression has balanced parentheses
  • Created: 2 months ago
  • Tags: stack stackqueuelinkedlist
531
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
288
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
322
views
0
votes
1
answer
Print Binary Tree level by level with new line
  • Created: 1 year ago
  • Tags: node queue root
363
views
0
votes
1
answer
Print Binary Tree level by level
  • Created: 1 year ago
  • Tags: node queue root
279
views
0
votes
1
answer
Check whether a number is Ugly Number or not
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
303
views
0
votes
1
answer
Find nth Ugly Number
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
209
views
0
votes
1
answer
534
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
445
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
598
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
210
views
0
votes
1
answer
Derive an algorithm from two given algorithms
  • Created: 1 year ago
  • Tags: timecomplexity general
191
views
0
votes
1
answer
Design a function in a sequence (part 2)
  • Created: 1 year ago
  • Tags: inversion remove general
208
views
0
votes
1
answer
Number of comparisons to search an element in a bitonic array
  • Created: 1 year ago
  • Tags: searching sortedarray array
190
views
0
votes
1
answer
Number of comparisons in Nuts and bolts problem
  • Created: 1 year ago
  • Tags: sorting quicksort matching
380
views
0
votes
1
answer
Remove duplicates in a sorted integer array
  • Created: 1 year ago
  • Tags: sortedarray array searching
254
views
0
votes
1
answer
Remove duplicates in an integer array using additional data structure
  • Created: 1 year ago
  • Tags: timecomplexity array searching
216
views
5
votes
1
answer
282
views
0
votes
1
answer
232
views
0
votes
1
answer
Stack depth of the modified Quicksort algorithm
  • Created: 1 year ago
  • Tags: recursion array sorting
219
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
Find duplicates in a String
  • Created: 1 year ago
  • Tags: duplicate character string
244
views
0
votes
1
answer
Print permutation of a string
  • Created: 1 year ago
  • Tags: recursion character string
202
views
0
votes
1
answer
Time complexity of a datastructure by number of operations
  • Created: 1 year ago
  • Tags: sortedarray array general
196
views
0
votes
0
answers
Find the missing number from a sorted list
  • Created: 6 months ago
  • Tags: sortedarray searching logarithmictime
223
views
0
votes
0
answers
Sort and merge two large data streams
  • Created: 6 months ago
  • Tags: mergesort sorting bigdata
143
views
0
votes
0
answers
Print the order of letters in sorting a list of sorted words
  • Created: 6 months ago
  • Tags: soting string
191
views
0
votes
0
answers
Longest subsequence with uniform frequency distributon
  • Created: 6 months ago
  • Tags: array searching
209
views
0
votes
0
answers
Find k^th largest element in a sorted matrix
  • Created: 6 months ago
  • Tags: lineartime sorting searching
183
views
0
votes
0
answers
Find Taxicab Numbers
  • Created: 6 months ago
  • Tags: general
534
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
208
views
0
votes
1
answer
Number of comparisons to search an element in a bitonic array
  • Created: 1 year ago
  • Tags: searching sortedarray array
190
views
0
votes
1
answer
Number of comparisons in Nuts and bolts problem
  • Created: 1 year ago
  • Tags: sorting quicksort matching
380
views
0
votes
1
answer
Remove duplicates in a sorted integer array
  • Created: 1 year ago
  • Tags: sortedarray array searching
216
views
5
votes
1
answer
282
views
0
votes
1
answer
232
views
0
votes
1
answer
Stack depth of the modified Quicksort algorithm
  • Created: 1 year ago
  • Tags: recursion array sorting
219
views
0
votes
1
answer
Sort the characters of a String
  • Created: 1 year ago
  • Tags: sorting character string
202
views
0
votes
1
answer
Time complexity of a datastructure by number of operations
  • Created: 1 year ago
  • Tags: sortedarray array general
180
views
0
votes
1
answer
Order the sequence in an array
  • Created: 1 year ago
  • Tags: array sorting general
232
views
0
votes
1
answer
Search in partial sorted matrix
  • Created: 1 year ago
  • Tags: searching sorting matrix
181
views
0
votes
1
answer
Count number of occurence in a sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
200
views
0
votes
1
answer
Search in a sorted array by value vs. index
  • Created: 1 year ago
  • Tags: sortedarray array searching
194
views
0
votes
1
answer
Find three elements from three sorted arrays
  • Created: 1 year ago
  • Tags: sortedarray array searching
223
views
0
votes
0
answers
Sort and merge two large data streams
  • Created: 6 months ago
  • Tags: mergesort sorting bigdata
264
views
0
votes
1
answer
Recursive version of Insertion Sort
  • Created: 1 year ago
  • Tags: basicsorting sorting recursion
224
views
1
votes
1
answer
Linear time algorithm to sort an array of two distinct elements
  • Created: 1 year ago
  • Tags: lineartime sorting basicsorting
177
views
0
votes
1
answer
Searching for an element in a 2-d sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
229
views
0
votes
1
answer
Find smallest number greater than a given integer in an array
  • Created: 1 year ago
  • Tags: sortedarray array searching
451
views
0
votes
1
answer
Search in a bitonic array
  • Created: 1 year ago
  • Tags: sortedarray array searching
292
views
0
votes
1
answer
Find intersection of two sorted integer arrays
  • Created: 1 year ago
  • Tags: sortedarray array searching
216
views
0
votes
1
answer
Number of comparisons to find an element in a sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
164
views
0
votes
1
answer
Sort 100 thousand integers (range given) in linear time
  • Created: 1 year ago
  • Tags: sorting lineartime bigdata
205
views
0
votes
1
answer
254
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
531
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
288
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
445
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
208
views
0
votes
1
answer
Number of comparisons to search an element in a bitonic array
  • Created: 1 year ago
  • Tags: searching sortedarray array
380
views
0
votes
1
answer
Remove duplicates in a sorted integer array
  • Created: 1 year ago
  • Tags: sortedarray array searching
254
views
0
votes
1
answer
Remove duplicates in an integer array using additional data structure
  • Created: 1 year ago
  • Tags: timecomplexity array searching
216
views
5
votes
1
answer
202
views
0
votes
1
answer
Time complexity of a datastructure by number of operations
  • Created: 1 year ago
  • Tags: sortedarray array general
234
views
0
votes
1
answer
Maximum Sum subarray
  • Created: 1 year ago
  • Tags: subarray array searching
180
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
193
views
0
votes
1
answer
Find k normalizing the elements greater than k in an array
  • Created: 1 year ago
  • Tags: timecomplexity array searching
370
views
0
votes
1
answer
Find heavy integers
  • Created: 1 year ago
  • Tags: heavyinteger searching
192
views
0
votes
1
answer
Find the smallest element not in an array
  • Created: 1 year ago
  • Tags: array searching
191
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
276
views
0
votes
1
answer
Find highest and lowest element in an array with minimum comparisons
  • Created: 1 year ago
  • Tags: array searching noOfComparisons
232
views
0
votes
1
answer
Search in partial sorted matrix
  • Created: 1 year ago
  • Tags: searching sorting matrix
217
views
0
votes
1
answer
Find 2nd largest number in an array with minimum comparisons
  • Created: 1 year ago
  • Tags: array searching noOfComparisons
200
views
0
votes
1
answer
Search smallest number in a binary matrix
  • Created: 1 year ago
  • Tags: binary searching matrix
292
views
0
votes
1
answer
Check if two arrays are permutation of each other
  • Created: 1 year ago
  • Tags: array searching permutation
224
views
0
votes
1
answer
Search the next highest number with same set of digits
  • Created: 1 year ago
  • Tags: searching
312
views
0
votes
1
answer
Remove duplicates in an integer array
  • Created: 1 year ago
  • Tags: array searching remove
181
views
0
votes
1
answer
Count number of occurence in a sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
200
views
0
votes
1
answer
Search in a sorted array by value vs. index
  • Created: 1 year ago
  • Tags: sortedarray array searching
194
views
0
votes
1
answer
Find three elements from three sorted arrays
  • Created: 1 year ago
  • Tags: sortedarray array searching
177
views
0
votes
1
answer
Searching for an element in a 2-d sorted array
  • Created: 1 year ago
  • Tags: sortedarray array searching
15
views
0
votes
1
answer
Remove duplicate characters in a string
  • Created: 1 day ago
  • Tags: duplicate character string
219
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
Find duplicates in a String
  • Created: 1 year ago
  • Tags: duplicate character string
244
views
0
votes
1
answer
Print permutation of a string
  • Created: 1 year ago
  • Tags: recursion character string
143
views
0
votes
0
answers
Print the order of letters in sorting a list of sorted words
  • Created: 6 months ago
  • Tags: soting string
219
views
0
votes
1
answer
Huffman coding problem
  • Created: 7 months ago
  • Tags: array huffmancoding string
215
views
0
votes
1
answer
Check whether one string is a rotation of another
  • Created: 1 year ago
  • Tags: rotation character string
188
views
0
votes
1
answer
Check whether string is palindrome or not
  • Created: 1 year ago
  • Tags: palindrome character string
221
views
0
votes
1
answer
Check whether two strings are anagram
  • Created: 1 year ago
  • Tags: anagram character string
302
views
0
votes
1
answer
Reverse words in a sentence
  • Created: 1 year ago
  • Tags: character string reverse
173
views
0
votes
1
answer
Reverse a string in place
  • Created: 1 year ago
  • Tags: character string reverse
276
views
0
votes
1
answer
First non-repeating character in a string
  • Created: 1 year ago
  • Tags: character string
531
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
288
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
322
views
0
votes
1
answer
Print Binary Tree level by level with new line
  • Created: 1 year ago
  • Tags: node queue root
363
views
0
votes
1
answer
Print Binary Tree level by level
  • Created: 1 year ago
  • Tags: node queue root
224
views
0
votes
1
answer
Unique binary search tree from n distinct nodes
  • Created: 9 months ago
  • Tags: node noofedges binarysearchtree
519
views
0
votes
1
answer
Check binary tree balanced or not
  • Created: 1 year ago
  • Tags: balancedtree binarytree
236
views
0
votes
1
answer
Sorted array to BST
  • Created: 1 year ago
  • Tags: sortedarray array binarysearchtree
483
views
0
votes
1
answer
Count smaller elements on right side in an array
  • Created: 1 year ago
  • Tags: array binarysearchtree binarytree
258
views
0
votes
1
answer
Find Lowest Common Ancestor in a binary tree
  • Created: 1 year ago
  • Tags: node binarytree
256
views
0
votes
1
answer
Inorder traversal of BST without extra space
  • Created: 1 year ago
  • Tags: binarysearchtree binarytree inordertraversal
206
views
0
votes
1
answer
Compute height of a tree at root
  • Created: 1 year ago
  • Tags: node root binarytree
182
views
0
votes
1
answer
Check if a pair of vertices have common neighbor
  • Created: 1 year ago
  • Tags: node binarytree
291
views
0
votes
1
answer
Check whether a binary tree is a binary search tree
  • Created: 1 year ago
  • Tags: node binarysearchtree pointer
227
views
0
votes
1
answer
In-order traversal : Binary search tree vs. Heap
  • Created: 1 year ago
  • Tags: binarysearchtree heap inordertraversal
197
views
0
votes
1
answer
Difference between binary search tree and heap
  • Created: 1 year ago
  • Tags: binarysearchtree tree heap
220
views
0
votes
1
answer
Check whether an arithmetic expression has balanced parentheses
  • Created: 2 months ago
  • Tags: stack stackqueuelinkedlist
322
views
0
votes
1
answer
Print Binary Tree level by level with new line
  • Created: 1 year ago
  • Tags: node queue root
363
views
0
votes
1
answer
Print Binary Tree level by level
  • Created: 1 year ago
  • Tags: node queue root
282
views
0
votes
1
answer
232
views
0
votes
1
answer
Stack depth of the modified Quicksort algorithm
  • Created: 1 year ago
  • Tags: recursion array sorting
396
views
0
votes
1
answer
Merge sort on LinkedList
  • Created: 1 year ago
  • Tags: mergesort array sorting
149
views
0
votes
1
answer
Doubly Linked list to a Singly Linked list
  • Created: 11 months ago
  • Tags: timecomplexity doublylinkedlist stackqueuelinkedlist
245
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
149
views
0
votes
1
answer
Find 'n' th last element in a singly Linked list
  • Created: 1 year ago
  • Tags: node linkedlist stackqueuelinkedlist
187
views
0
votes
1
answer
Stack using queue
  • Created: 1 year ago
  • Tags: queue stack stackqueuelinkedlist
176
views
0
votes
1
answer
Queue using stack
  • Created: 1 year ago
  • Tags: queue stack stackqueuelinkedlist
197
views
0
votes
1
answer
Reverse a doubly Linked List
  • Created: 1 year ago
  • Tags: node doublylinkedlist linkedlist
179
views
0
votes
1
answer
Reverse a Linked List with recursion
  • Created: 1 year ago
  • Tags: node recursion reverse
147
views
0
votes
1
answer
Remove duplicates in an unsorted Linked List
  • Created: 1 year ago
  • Tags: node stackqueuelinkedlist linkedlist
183
views
0
votes
1
answer
Create a Linked List
  • Created: 1 year ago
  • Tags: node linkedlist stackqueuelinkedlist
168
views
0
votes
1
answer
Detect a loop in a Linked List
  • Created: 1 year ago
  • Tags: node stackqueuelinkedlist linkedlist
146
views
0
votes
1
answer
Delete last link of a Linked List
  • Created: 1 year ago
  • Tags: node linkedlist stackqueuelinkedlist
618
views
0
votes
1
answer
Delete a node in a Singly Linked List
  • Created: 1 year ago
  • Tags: node singlylinkedlist linkedlist
279
views
0
votes
1
answer
Check whether a number is Ugly Number or not
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
303
views
0
votes
1
answer
Find nth Ugly Number
  • Created: 1 year ago
  • Tags: uglynumber dynamicprogramming
342
views
0
votes
1
answer
Find maximum sum subarray (non-contiguous)
  • Created: 7 months ago
  • Tags: subarray array dynamicprogramming
184
views
0
votes
1
answer
Find maximum sum subarray
  • Created: 8 months ago
  • Tags: subarray array dynamicprogramming
129
views
0
votes
1
answer
Compute binomial coefficient
  • Created: 1 year ago
  • Tags: recursion binomial dynamicprogramming