Subarrays with K Different Integers Leetcode Solution

Problem Statement The Subarrays with K Different Integers LeetCode Solution – “Subarrays with K Different Integers” states that you’re given an integer array nums and an integer k. We need to find a total number of good subarrays of nums. A good array is defined as an array with exactly …

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Restore IP Addresses Leetcode Solution

Problem Statement The Restore IP Addresses LeetCode Solution – “Restore IP Addresses” states that given the string which contains only digits, we need to return all possible valid IP Addresses in any order that can be formed by inserting dots into the string. Note that we’re not allowed to return …

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Word Ladder LeetCode Solution

Problem Statement The Word Ladder LeetCode Solution – “Word Ladder” states that you are given a string beginWord, string endWord, and a wordList. We need to find the shortest transformation sequence length (if no path exists, print 0) from beginWord to endWord following the given conditions: All the Intermediate Words should …

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Find Common Characters Leetcode Solution

Problem Statement In this problem, we are given an array of strings. We need to print a list of all characters that appear in every string in the array(duplicates included). That is if a character appears 2 times in every string, but not 3 times, we need to have it …

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Maximum Number of Balloons Leetcode Solution

Problem Statement In this problem, we are given a string of characters containing lower-case English letters. We need to find how many instances of the word “balloon” can we make using the characters of the given string. Example String = “banooll” 1 Explanation: String = baqwweeeertylln 0 Explanation: As the …

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Find All Numbers Disappeared in an Array Leetcode Solution

Problem Statement In this problem, we are given an array of integers. It contains elements ranging from 1 to N, where N = size of the array. However, there are some elements that have disappeared and some duplicates are present in their place. Our goal is to return an array …

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Majority Element Leetcode Solution

Problem Statement We are given an array of integers. We need to return the integer which occurs more than ⌊N / 2⌋ time in the array where ⌊ ⌋ is the floor operator. This element is called the majority element. Note that the input array always contains a majority element. …

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