public static int func1(int m, int n) { if (m == n || n == 1) return 1; else return func1(m - 1, n - 1) + n * func1(m - 1, n);}What precondition must exist in order to prevent the code in the accompanying figure from infinite recursion?
A. m >= 0 and n >= 0
B. m >= 0 and n >= 1
C. m >= 1 and n >= 0
D. m >= 1 and n >= 1
Answer: B
Computer Science & Information Technology
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