A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two ...
A sequence of numbers is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the same. For example, these are arithmetic sequence ...
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A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two ...
Given a list of strings, you need to find the longest uncommon subsequence among them. The longest uncommon subsequence is defined as the longest ...
Given a string s and a string t, check if s is subsequence of t. You may assume that there is only lower case English letters in both s ...
Given an integer array arr and an integer difference, return the length of the longest subsequence in arr which is an arithmetic sequence ...
Given a string S, count the number of distinct, non-empty subsequences of S . Since the result ma ...
A sequence of numbers is called a wiggle sequence if the differences between successive numbers s ...
Given an array of integers `A`, consider all non-empty subsequences of `A`. For any sequence S, le ...
Given a string s, find the longest palindromic subsequence's length in s. You may assume that the maximum length of s is 1000. Example 1:Input ...