Questions tagged [permutations]
A permutation is a particular ordering of some list of objects. Problems tagged with permutation usually involve finding or generating permutations, including anagrams of text.
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Check if two lists are permutations of each other [duplicate]
Challenge
Given two lists of equal length, find if one of them is a permutation of the other. Output truthy or falsy values, or 1 or 0.
Test case Examples
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Find the child anagrams of a word
Select any word from https://websites.umich.edu/~jlawler/wordlist with length greater than 1. For each letter on that word, remove it and check if any rearrangement of the remaining letters is present ...
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Numbers with distinct decimal digits
Write a program or function that outputs all positive integers with distinct decimal digits (OEIS: A010784)
Examples:
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First odd then even indices
Your task is to find out how often you need to "shuffle" a given list with the following operation until you get back the original list.
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Count N-Rich Permutations of an Integer Sequence
Given a sequence of integers with length \$L\$ and an integer \$1 \le N \le L\$, an "\$N\$-rich" permutation is one whose the longest strictly increasing contiguous subsequence has length ...
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