Problem 1 (3SUM) Given n integers, are there elements a, b, c among these integers such that a + b + c = 0? Formulate a BIP problem, and explain how to give a yes or no answer to the question after solving the BIP problem. For example, given n integers in an array (-1, 0, 1, 2, -1, -4], the answer is yes. One solution is (-1,-1, 2]. Remark: This is a typical interview question for coding. There are other ways to answer this question. But you are required to follow the problem statement to write a BIP. Problem 1 (3SUM) Given n integers, are there elements a, b, c among these integers such that a + b + c = 0? Formulate a BIP problem, and explain how to give a yes or no answer to the question after solving the BIP problem. For example, given n integers in an array (-1, 0, 1, 2, -1, -4], the answer is yes. One solution is (-1,-1, 2]. Remark: This is a typical interview question for coding. There are other ways to answer this question. But you are required to follow the problem statement to write a BIP