A Simple Equation

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Given N,A,B,C, find how many solutions exist to the equation: a + b + c such that 0 Input The first line contains the number of test cases T. Each test case contains 4 integers, N,A,B,C. 0 Output: Output T lines, one for each test case. Example Sample Input : 2 4 3 2 1 1 1 1 1 Sample Output : 20 4

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solution.cppC++17

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