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Dave

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1496.29 (4,061,800th) 		Reputation
2,764 (61,080th)
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Title Δ
Fast generation of random derangements -0.67
Given an array of digits & characters, find the longest continu... 0.00
Efficiently find the smallest 'steady number' larger than a... -1.53
A Grid Game with special moves allowed - ZCO 2009, P1 -2.06
Get n-th element of modulo 10 sequence +1.55
problem: get coin or energy in numerous house -0.93
Tiling a 2xM array with 2x1 tiles to maximise the differences - INO... +2.16
All closest pairs of points with minimum distance in a plane -1.13
How to find the number of values in a given range that has a certai... -1.08
How can I check if sorted and rotated array is in ascending or desc... 0.00
Write a program that tests whether there are two 1 lying on the sam... -0.90
Smallest missing number at any point in time in a stream of positiv... +1.99
Determine if time overlap exists among given date ranges 0.00
How can i find the shortest path from any node to a set A +2.75
How to make this arrays combination algorithm more efficient? -0.51
Impossible search algorithm interview question -1.27
How do I optimise O(n^2) 0.00
Prove XOR doesn't work for finding a missing number (interview... -0.28
Make maximum 1's by flipping k bits at a time +0.02
Find all possible combination of nodes in a graph +0.51
parse a number represented as string and return array of numbers sa... -2.04
Total numbers having frequency k in a given range +0.57
How to calculate the maximum median in an array +0.52
Number of substrings of a given string containing a specific charac... -0.47
Possible Path from to Co-ordinates +0.22
How to draw an arbitrary irregular polygon with n sides? -0.39
Construct k-edge connected subgraph 0.00
Why does sorting an array with a fixed length (such as an array wit... +1.95
Obtaining the absolute difference between consecutive elements in a... -1.78
How to efficiently find out the maximum value below a threshold? +0.41
What is the most efficient way to determine if a ship has been hit... +1.55
Improvements in Algo/code for following HackerRank problem -0.59
Finding existing circles in a set of edges in an efficient manner -1.23
Getting the maximum number from a continuously updating list +1.67
What is the best algorithm to find number of factors of first N nat... 0.00
Level and experience algorithm 0.00
(a * b) / c MulDiv and dealing with overflow from intermediate mult... +0.07
How to find a list of unique shortest paths in a list of paths? +0.51
Calculate the number of paths in a two dimensional array from arr[0... +1.14
Number of sorted elements (permutations), in all possible permutati... +2.43
About bipartition and independent sets in graphs 0.00
Different ways to get balls from a box -1.20
Can a Robot reach a Point (x, y)? +1.05
Find sorted order in table +0.03
How to get all the sets of consecutive numbers that add up to form... +1.43
generate maximum number of combinations +0.02
Monotone Nondecreasing Digits -0.21
Divide binary array into three parts such that each part represent... 0.00
Create the lowest-cost path between two vertices +1.24
Shortest Path in Graph, when it is obligatory to jump over every se... -1.71