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Topic Replies Created
EPI forum introduction 3 April 10, 2014
11.7 Find the min and max simultaneously 9 December 14, 2017
6.1 The Dutch National Flag Problem 1 June 20, 2019
5.15 Compute random subset - Alternative solution in python, without extra auxiliary space 1 June 19, 2019
17.5.1 Search for a sequence in 2D array, variant 1 3 January 23, 2018
5.10 Apply permutation - Couldn't understand the logic 3 May 21, 2019
Online Random Sample 1 May 29, 2019
Problem 6.18 (Java version) variant 6: kth element in spiral ordering in O(1) 6 December 14, 2015
5.1. Dutch National Flag - Variant 4 2 May 24, 2019
Knapsack problem - variant - O(C) solution 2 December 6, 2018
How does n-queens isValid check work? 3 May 15, 2019
Simpler code for random subset problem 1 May 19, 2019
24.2 - First Missing Positive Entry - Weak Test Cases in EPIJudge 1 May 18, 2019
EPI (Python) 9.1 Is tree balanced - Solution is incorrect? 1 May 15, 2019
About a particular test case in problem 15.11 - TEST IF THREE BST NODES ARE TOTALLY ORDERED 1 May 15, 2019
18.4 Variant = Check if graph remains connected if any one edge is removed 1 May 12, 2019
5.1 Dutch National Flag partitioning instructions unclear 1 May 8, 2019
2D arrays: what is "parallel logic"? 1 May 8, 2019
5.17 The Sudoku Check Problem - Alternative solution [Python] 1 May 6, 2019
Readers writers problem - Using single condition [Python] 1 May 5, 2019
5.4 can_reach_end 1 May 2, 2019
Problem 16.2 Levenshtein distance variant 4 15 November 18, 2017
Tighter complexity for problem 19.3 (Paint a Boolean Matrix) 3 December 27, 2015
4.6 Java - Performance Oversight? 1 April 20, 2019
7.3 Test for cyclicity: Typo 1 April 19, 2019
Dijkstra_shortest_path 1 April 15, 2019
17.4 Variant #4 - p, q, r distinct? 1 April 11, 2019
Need help with two variants of 16.1 (DP Problem) 3 August 25, 2017
15.1 The Towers of Hanoi problem: Variant #2 clarification 1 April 5, 2019
Help understanding 5.12 - Sample Offline Data 1 March 26, 2019