Jan 1, 2020 · When you want to generate unique random numbers, there are two approaches you can take: 1) you can track the remaining possible values of generation or 2) you can track the …

Sep 14, 2017 · The goal is to find the unique number in an array which contains identical numbers except one. Speed is of the essence as arrays can be huge. My code below works for smaller …

Sep 12, 2018 · Here is an example: a = [ ['somestring', 'someotherstring'], ['anotherstring', 'anotherotherstring'], ] b = dict(a) print(list(b.keys())) I tested this with a data set resembling the …

Dec 31, 2012 · If you want to guarantee that you generate a unique number from those numbers, with no chance of getting the same number from a different set of numbers, then you should …

May 14, 2015 · If the odds of hitting a non-unique value are low, your best bet will be to select 3 random numbers from the array, then check each against the entire array to ensure it is …

May 8, 2025 · Getting unique values from a list in Python allows you to remove duplicates and work with distinct elements. For example, given the list a = [1, 2, 1, 1, 3, 4, 3, 3, 5], you might …

Given an array of integers arr, write a function that returns true if and only if the number of occurrences of each value in the array is unique. Explanation: The value 1 has 3 occurrences, …

Removing duplicate values to produce a unique list is an incredibly common task across many domains – from data cleaning to analytics to improving performance. After over 15 years …

Aug 25, 2016 · Generate the actual unique combinations, not just the number of them that exist, and without having to check each generated set against previous sets. First, we need to …

Feb 12, 2023 · These numbers can be identical with high probability (in many arrays there are two triples of equal numbers). I need to remove the duplicates in each array, as efficiently as …