Topic Replies Created
EPI forum introduction 3 April 10, 2014
Normalize Pathnames 9.4 Java EPI 1 February 16, 2021
Suggesting another solution to 8.12(Even-Odd Merge) 3 November 17, 2015
Render a calendar - 14.4 7 November 6, 2017
9.5 Search a postings list -- what is the equivalent problem in EPIJudge, CopyPostingList? 1 December 29, 2020
Does EPI have segment tree construction and query? 2 September 25, 2020
C++ pair iterator 2 December 22, 2020
19.8 Implement a Timer class (C++) 1 December 22, 2020
18.4 Variant = Check if graph remains connected if any one edge is removed 3 May 12, 2019
Complexity: Generate all subsets of size k (15.5) Python 1 December 20, 2020
17.5.1 Search for a sequence in 2D array, primes selection in HashTuple 1 December 15, 2020
9.1.4 Compute The Exterior of a Binary Tree: Better solution? 3 December 9, 2020
Chapter 4 query in BitWise Operations 1 December 14, 2020
11.8 Variant 3 (JAVA book) help 1 December 6, 2020
Variant 13.9.2 : Given an array A, rearrange the elements so that the shortest subarray containing all the distinct values in A has maximum possible length 6 October 8, 2015
EPI16_5 Generate All Subsets Of SizeK 3 May 10, 2017
Time complexity of inorder traversal in O(1) space 1 November 19, 2020
Recursion solutions; reason for side-effect style? 3 September 30, 2020
Maximum subarray sum 1 October 20, 2020
Time complexity for Sample Online Data 5.13 2 June 4, 2020
24.38 Find the longest subarray whose sum <= k 3 June 29, 2018
Problem 7.5 - Test for overlapping lists - lists may have cycles 5 May 27, 2018
5.14 solution possible typo? 2 July 13, 2018
Find the smallest subarray covering all values 5 October 29, 2017
Time complexity of hash tables 1 June 20, 2020
Problem 6.18 (Java version) variant 6: kth element in spiral ordering in O(1) 7 December 14, 2015
Error in 5.12 Sample offline data when k > n / 2? 2 August 18, 2018
Ch4, Q4.1 Parity of a word. Confusion with the O(logn) solution of splitting bits into half 2 August 3, 2018
8.1. Merge two sorted lists 1 June 1, 2020
Understand the limits of autoboxing, e.g., why Character [] C = new char [] { ’ a ’ , ’b’}; will not compile 2 March 31, 2020