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-rw-r--r--ee1301/wk6/hw6_directory/strap012_HW6B.cpp35
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diff --git a/ee1301/wk6/hw6_directory/strap012_HW6B.cpp b/ee1301/wk6/hw6_directory/strap012_HW6B.cpp
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--- a/ee1301/wk6/hw6_directory/strap012_HW6B.cpp
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-//Matthew Strapp
-//EE1301
-//17 April 2019
-//HW 6B: Recursion and ff(x)
-#include <iostream>
-
-int ff(int x);
-int main() {
- int x, y;
- do {
- std::cout << "Please enter a value of x: ";
- std::cin >> x;
- } while (x<0);
- std::cout << "Beginning calculation of ff(x)...\n";
- y = ff(x);
- std::cout << "Calcuation complete, ff(x) = " << y << std::endl;
-}
-
-// This function either returns 1 when x is one of two recrusive conditions depending on if x is even or odd.
-int ff(int x) {
- if (x > 1) {
- if (x%2 == 0) {
- // x is even
- std::cout << "Calling ff(" << x/2 << ")\n";
- return x*ff(x/2);
- } else {
- // x is odd but not 1
- std::cout << "Calling ff(" << x-2 << ")\n";
- return x*ff(x-2);
- }
- } else {
- // x is 1 (or 0)
- return 1;
- }
-}