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btilly

Rating
1549.57 (8,077th) 		Reputation
27,254 (4,635th)
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Title Δ
Algorithm / Python to parse a log file into its nested start and en... +0.46
Math.log wrong results for big numbers -1.71
Which algorithm to solve a system of equations where variables are... -0.62
What is the efficient algorithm to get the final state of an intege... +1.97
Modifying the Bellman-Ford Algorithm to maintain an ordered list ba... -0.54
A Faster Bubble Sort Variant Using Binary Approach 0.00
DNA subsequence dynamic programming question +1.75
Rational approximation of rational exponentiation root with error c... 0.00
How to dynamically build a Javascript object based on a stream 0.00
Generate “hash” functions programmatically +0.48
Probability of a sum S using X dice each with different Y faces 0.00
Finding size of 'shortest range of indices' which lookup al... -1.89
Convert floats to ints with given sum +2.00
Maximum sum of subsequence of length L with a restriction +0.46
Find inclusion graph from ordered set 0.00
Sum of max elements in sub-triangles +0.45
Solving PDE with implicit euler in python - incorrect output -0.54
Given two binary trees, calculate their diff +0.04
Python sequence cluster exercise 0.00
Find some subset of array in optimal way 0.00
Proportion Test: Z-test vs bootstrap/permutation - different results 0.00
Convert array to multidimensional hash +1.91
Identifying Differences Efficiently -0.59
Probability of selecting exactly n elements 0.00
Python - All combinations including brackets 0.00
General number field sieve; factorizing 200 digit number 0.00
Comparing three (or more) dictionaries and finding a match if at le... -0.83
Given an unsorted integer array find numbers that are not searchable -2.03
How to solve a graph theory question similar to shortest-path? +0.60
Time series data - count occurrences of two sets 0.00
Shortest paths problem with two conditions 0.00
Knight tour problem - order of moves affect performance 0.00
Complexity - Dijkstras algorithm 0.00
Priority interval scheduling algorithm 0.00
Persistent Union-Find with occasional removals 0.00
Tower of Hanoi using Head Recursion? 0.00
Find the heaviest ball by asking at most 8 questions +0.38
Number of binary substrings with minimum 3 consecutive identical ch... 0.00
DAG & Graph: Simple path from s to t that goes via as many colo... 0.00
GLua - Getting the difference between two tables 0.00
The kth smallest number in two arrays, one sorted the other unsorted +0.34
Dijkstra's Algorithm and the greedy strategy 0.00
Shortest Path Distance -> How to handle a negative Weight? 0.00
Algorithm - How many changes you have to make to get "impressi... -1.45
Optimal strategy for prime number tower game +0.46
Find all intersectional Periods between a list of dates (for Room r... -0.43
Sorting with limited stack operations 0.00
Dynamic regular expression for Nesting brackets failed due to unkno... 0.00
JS: Repeated string (Hackerrank Challenge) +0.46
Count numbers with same digits in a sorted int array in O(log n) time -0.90