Permutations Leetcode Solution

The problem Permutations Leetcode Solution provides a simple sequence of integers and asks us to return a complete vector or array of all the permutations of the given sequence. So, before going into solving the problem. We should be familiar with permutations. So, a permutation is nothing but an arrangement …

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Letter Combinations of a Phone Number

In letter combinations of a phone number problem, we have given a string containing numbers from 2 to 9. The problem is to find all the possible combinations that could be represented by that number if every number has some letters assigned to it. The assignment of the number is …

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Palindrome Partitioning

Problem Statement Given a string, find the minimum number of cuts required such that all the substrings of partitions are palindromes. Since we are cutting our original string into different partitions such that all the substrings are palindromes, we call this problem the Palindrome Partition Problem. Example¬† asaaaassss 2 Explanation: …

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Letter Case Permutation

In letter case permutation we have given a string consisting of alphabets and numbers only, each character in the string can be converted into lowercase and uppercase, find out all different strings which can be obtained from different combinations of lowercase and uppercase of each character in the string. Example …

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