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Targets are the motivation behind every task! Usually, the codes you generate are to meet certain targets or outputs for the user. Similarly, when you give a target to an array and its element, a two-sum problem is formed. Many times you are asked to print all subsequences of a stringor array such that they follow a specific condition. Such as the sum of two elements in these subsequences results in a certain value. This type of problem is called a twosumproblem. This article will guide you throughout the... more