Adaptive quizzes to evaluate your skillset
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82
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0
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1
answer 
Remove duplicate characters in a string

285
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0
votes 
1
answer 
Check whether an arithmetic expression has balanced parentheses

625
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0
votes 
1
answer 
Find next higher key in Binary Search Tree with parent pointer given

336
views 
0
votes 
1
answer 
Find next higher key in Binary Search Tree when the parent pointer is not given

390
views 
0
votes 
1
answer 
Print Binary Tree level by level with new line

438
views 
0
votes 
1
answer 
Print Binary Tree level by level

310
views 
0
votes 
1
answer 
Check whether a number is Ugly Number or not

383
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0
votes 
1
answer 
Find nth Ugly Number

227
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0
votes 
1
answer 
Sort a list of numbers using a random number generator function

691
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0
votes 
1
answer 
Divide the elements of an array into group of 3 or 7, instead of 5 in Deterministic Selection algorithm

547
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0
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1
answer 
Find two elements from an array whose sum equals a given element

744
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0
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1
answer 
Find all subsets of a fixed size k of the set [1, 2, 3... n]

230
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0
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1
answer 
Derive an algorithm from two given algorithms

203
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0
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1
answer 
Design a function in a sequence (part 2)

237
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0
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1
answer 
Number of comparisons to search an element in a bitonic array

215
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0
votes 
1
answer 
Number of comparisons in Nuts and bolts problem

451
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0
votes 
1
answer 
Remove duplicates in a sorted integer array

292
views 
0
votes 
1
answer 
Remove duplicates in an integer array using additional data structure

237
views 
5
votes 
1
answer 
Find intersection of two sorted integer arrays if one array is very large in size than other

313
views 
0
votes 
1
answer 
Logarithmic worst case Stack depth and linearithmic average running time in modified quicksort algorithm

259
views 
0
votes 
1
answer 
Stack depth of the modified Quicksort algorithm

238
views 
0
votes 
1
answer 
Sort the characters of a String

244
views 
0
votes 
1
answer 
Find duplicates in a String

269
views 
0
votes 
1
answer 
Print permutation of a string

223
views 
0
votes 
1
answer 
Time complexity of a datastructure by number of operations

222
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0
votes 
0
answers 
Find the missing number from a sorted list

253
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0
votes 
0
answers 
Sort and merge two large data streams

169
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0
votes 
0
answers 
Print the order of letters in sorting a list of sorted words

216
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0
votes 
0
answers 
Longest subsequence with uniform frequency distributon

236
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0
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0
answers 
Find k^th largest element in a sorted matrix

204
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0
votes 
0
answers 
Find Taxicab Numbers

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

237
views 
0
votes 
1
answer 
Number of comparisons to search an element in a bitonic array

215
views 
0
votes 
1
answer 
Number of comparisons in Nuts and bolts problem

451
views 
0
votes 
1
answer 
Remove duplicates in a sorted integer array

237
views 
5
votes 
1
answer 
Find intersection of two sorted integer arrays if one array is very large in size than other

313
views 
0
votes 
1
answer 
Logarithmic worst case Stack depth and linearithmic average running time in modified quicksort algorithm

259
views 
0
votes 
1
answer 
Stack depth of the modified Quicksort algorithm

238
views 
0
votes 
1
answer 
Sort the characters of a String

223
views 
0
votes 
1
answer 
Time complexity of a datastructure by number of operations

203
views 
0
votes 
1
answer 
Order the sequence in an array

249
views 
0
votes 
1
answer 
Search in partial sorted matrix

206
views 
0
votes 
1
answer 
Count number of occurence in a sorted array

217
views 
0
votes 
1
answer 
Search in a sorted array by value vs. index

222
views 
0
votes 
1
answer 
Find three elements from three sorted arrays

253
views 
0
votes 
0
answers 
Sort and merge two large data streams

302
views 
0
votes 
1
answer 
Recursive version of Insertion Sort

255
views 
1
votes 
1
answer 
Linear time algorithm to sort an array of two distinct elements

194
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0
votes 
1
answer 
Searching for an element in a 2d sorted array

258
views 
0
votes 
1
answer 
Find smallest number greater than a given integer in an array

528
views 
0
votes 
1
answer 
Search in a bitonic array

325
views 
0
votes 
1
answer 
Find intersection of two sorted integer arrays

257
views 
0
votes 
1
answer 
Number of comparisons to find an element in a sorted array

178
views 
0
votes 
1
answer 
Sort 100 thousand integers (range given) in linear time

244
views 
0
votes 
1
answer 
Which sorting algorithm bubble sort or merge sort to find the maximum element in an array

354
views 
0
votes 
1
answer 
Running time of heapsort for a sorted array in ascending/descending order

625
views 
0
votes 
1
answer 
Find next higher key in Binary Search Tree with parent pointer given

336
views 
0
votes 
1
answer 
Find next higher key in Binary Search Tree when the parent pointer is not given

547
views 
0
votes 
1
answer 
Find two elements from an array whose sum equals a given element

237
views 
0
votes 
1
answer 
Number of comparisons to search an element in a bitonic array

451
views 
0
votes 
1
answer 
Remove duplicates in a sorted integer array

292
views 
0
votes 
1
answer 
Remove duplicates in an integer array using additional data structure

237
views 
5
votes 
1
answer 
Find intersection of two sorted integer arrays if one array is very large in size than other

223
views 
0
votes 
1
answer 
Time complexity of a datastructure by number of operations

261
views 
0
votes 
1
answer 
Maximum Sum subarray

202
views 
0
votes 
1
answer 
Find element occurring k2 times in an array sized (n x k1)+k2

220
views 
0
votes 
1
answer 
Find k normalizing the elements greater than k in an array

446
views 
0
votes 
1
answer 
Find heavy integers

220
views 
0
votes 
1
answer 
Find the smallest element not in an array

216
views 
0
votes 
1
answer 
Check if a given number is the sum of two numbers from two arrays

313
views 
0
votes 
1
answer 
Find highest and lowest element in an array with minimum comparisons

249
views 
0
votes 
1
answer 
Search in partial sorted matrix

279
views 
0
votes 
1
answer 
Find 2nd largest number in an array with minimum comparisons

233
views 
0
votes 
1
answer 
Search smallest number in a binary matrix

355
views 
0
votes 
1
answer 
Check if two arrays are permutation of each other

252
views 
0
votes 
1
answer 
Search the next highest number with same set of digits

367
views 
0
votes 
1
answer 
Remove duplicates in an integer array

206
views 
0
votes 
1
answer 
Count number of occurence in a sorted array

217
views 
0
votes 
1
answer 
Search in a sorted array by value vs. index

222
views 
0
votes 
1
answer 
Find three elements from three sorted arrays

194
views 
0
votes 
1
answer 
Searching for an element in a 2d sorted array

82
views 
0
votes 
1
answer 
Remove duplicate characters in a string

238
views 
0
votes 
1
answer 
Sort the characters of a String

244
views 
0
votes 
1
answer 
Find duplicates in a String

269
views 
0
votes 
1
answer 
Print permutation of a string

169
views 
0
votes 
0
answers 
Print the order of letters in sorting a list of sorted words

282
views 
0
votes 
1
answer 
Huffman coding problem

292
views 
0
votes 
1
answer 
Check whether one string is a rotation of another

207
views 
0
votes 
1
answer 
Check whether string is palindrome or not

249
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0
votes 
1
answer 
Check whether two strings are anagram

332
views 
0
votes 
1
answer 
Reverse words in a sentence

196
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0
votes 
1
answer 
Reverse a string in place

303
views 
0
votes 
1
answer 
First nonrepeating character in a string

625
views 
0
votes 
1
answer 
Find next higher key in Binary Search Tree with parent pointer given

336
views 
0
votes 
1
answer 
Find next higher key in Binary Search Tree when the parent pointer is not given

390
views 
0
votes 
1
answer 
Print Binary Tree level by level with new line

438
views 
0
votes 
1
answer 
Print Binary Tree level by level

247
views 
0
votes 
1
answer 
Unique binary search tree from n distinct nodes

762
views 
0
votes 
1
answer 
Check binary tree balanced or not

289
views 
0
votes 
1
answer 
Sorted array to BST

551
views 
0
votes 
1
answer 
Count smaller elements on right side in an array

315
views 
0
votes 
1
answer 
Find Lowest Common Ancestor in a binary tree

315
views 
0
votes 
1
answer 
Inorder traversal of BST without extra space

246
views 
0
votes 
1
answer 
Compute height of a tree at root

203
views 
0
votes 
1
answer 
Check if a pair of vertices have common neighbor

338
views 
0
votes 
1
answer 
Check whether a binary tree is a binary search tree

277
views 
0
votes 
1
answer 
Inorder traversal : Binary search tree vs. Heap

230
views 
0
votes 
1
answer 
Difference between binary search tree and heap

285
views 
0
votes 
1
answer 
Check whether an arithmetic expression has balanced parentheses

390
views 
0
votes 
1
answer 
Print Binary Tree level by level with new line

438
views 
0
votes 
1
answer 
Print Binary Tree level by level

313
views 
0
votes 
1
answer 
Logarithmic worst case Stack depth and linearithmic average running time in modified quicksort algorithm

259
views 
0
votes 
1
answer 
Stack depth of the modified Quicksort algorithm

496
views 
0
votes 
1
answer 
Merge sort on LinkedList

169
views 
0
votes 
1
answer 
Doubly Linked list to a Singly Linked list

283
views 
0
votes 
1
answer 
Delete a node in a singly Linked List having access to that node

174
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0
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1
answer 
Find 'n' th last element in a singly Linked list

225
views 
0
votes 
1
answer 
Stack using queue

221
views 
0
votes 
1
answer 
Queue using stack

228
views 
0
votes 
1
answer 
Reverse a doubly Linked List

237
views 
0
votes 
1
answer 
Reverse a Linked List with recursion

187
views 
0
votes 
1
answer 
Remove duplicates in an unsorted Linked List

205
views 
0
votes 
1
answer 
Create a Linked List

216
views 
0
votes 
1
answer 
Detect a loop in a Linked List

170
views 
0
votes 
1
answer 
Delete last link of a Linked List

677
views 
0
votes 
1
answer 
Delete a node in a Singly Linked List

310
views 
0
votes 
1
answer 
Check whether a number is Ugly Number or not

383
views 
0
votes 
1
answer 
Find nth Ugly Number

497
views 
0
votes 
1
answer 
Find maximum sum subarray (noncontiguous)

214
views 
0
votes 
1
answer 
Find maximum sum subarray

161
views 
0
votes 
1
answer 
Compute binomial coefficient
