Strings
"Is the String a Palindrome?"
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This problem deals with determining whether or not a given string is a palindrome. This is done by considering only alphanumeric characters and ignoring cases. An empty string is considered a valid palindrome.
Is It a Permutation of a Palindrome?
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This problem asks whether a given string is a permutation of a palindrome. A palindrome is a word or phrase that is the same forwards and backwards, while a permutation is a rearrangement of letters. The palindrome does not need to be limited to just dictionary words.
Is the string a permutation of a palindrome?
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This function checks if a given string is a permutation of a palindrome. A palindrome is a word or phrase that is the same forwards and backwards, while a permutation is a rearrangement of letters. The palindrome does not need to be limited to just dictionary words.
Sum of Array Elements
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This problem asks you to return the sum of the elements in an array. For example, given the input [1, 2, 3], the output would be 6.
First non-repeating character in a string.
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The problem is to find the first non-repeating character in a string. The input is a string and the output is the first non-repeating character in the string.
Two Sum
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The "Two Sum" problem asks us to find the indices of two numbers in an array that add up to a specific target. We are given that each input has exactly one solution, and we cannot use the same element twice. An example is provided, where the array is [2, 7, 11, 15] and the target is 9. The solution in this case is [0 , 1], since 2 + 7 = 9.
Determining Whether an Array Contains Duplicates
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This problem deals with determining whether an array contains duplicates. The function should return true if any element appears more than once in the array, and false if every element is distinct.
Find the maximum average value in a contiguous subarray of length k.
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Given an array of n integers, this code problem finds the contiguous subarray of given length k that has the maximum average value. The output is the maximum average value.
