1. What does the following recursive function do, in general ? bool Mistery (char s[], int...
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1. What does the following recursive function do, in general ? bool Mistery (char s[], int low, int high) { } if (high <= low) return true; else return (s[low] == s [high] && Mistery (s, low + 1, high - 1)); 2. Consider the following recursive function: int fun (int x, int y) { } if (x = = y) return x; else if (x > y) return (x + y); else return fun (x + 1, y - 1); What is the output of the following statements ? a. cout << fun ( 7, 12); b. cout << fun (4,8); 3. Consider a function, power, that takes as parameters two integers x and y such that x is nonzero and returns xy. Use the following definition to calculate xv. If y >= 0: If y <0: 1 power (x,y) = x x* power (x,y-1) if y = 0 if y = 1 if y > 1 power (x,y) = 1/( power (x, y)) a. Write an iterative version of the power function above b. Write an recursive version of the power function above 1. What does the following recursive function do, in general ? bool Mistery (char s[], int low, int high) { } if (high <= low) return true; else return (s[low] == s [high] && Mistery (s, low + 1, high - 1)); 2. Consider the following recursive function: int fun (int x, int y) { } if (x = = y) return x; else if (x > y) return (x + y); else return fun (x + 1, y - 1); What is the output of the following statements ? a. cout << fun ( 7, 12); b. cout << fun (4,8); 3. Consider a function, power, that takes as parameters two integers x and y such that x is nonzero and returns xy. Use the following definition to calculate xv. If y >= 0: If y <0: 1 power (x,y) = x x* power (x,y-1) if y = 0 if y = 1 if y > 1 power (x,y) = 1/( power (x, y)) a. Write an iterative version of the power function above b. Write an recursive version of the power function above
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Related Book For
Data Structures and Algorithms in Java
ISBN: 978-1118771334
6th edition
Authors: Michael T. Goodrich, Roberto Tamassia, Michael H. Goldwasser
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