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Problem Statement Given two strings str1 and str2, we need to find the largest string X such that both str1 and str2 are formed by...

String manipulation is a common problem in programming, often requiring efficient solutions. One such problem is merging two strings by...

Introduction The two-pointer strategy is a powerful technique used in various algorithmic problems, especially those related to arrays...

Finding duplicates in a list is a common problem in programming. A straightforward but inefficient way is to use nested loops, resulting...