33 lines
796 B
C++
33 lines
796 B
C++
// protos.cpp -- using prototypes and function calls
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#include <iostream>
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void cheers(int); // prototype: no return value
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double cube(double x); // prototype: returns a double
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int main()
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{
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using namespace std;
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cheers(5); // function call
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cout << "Give me a number: ";
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double side;
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cin >> side;
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double volume = cube(side); // function call
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cout << "A " << side <<"-foot cube has a volume of ";
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cout << volume << " cubic feet.\n";
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cheers(cube(2)); // prototype protection at work
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// cin.get();
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// cin.get();
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return 0;
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}
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void cheers(int n)
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{
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using namespace std;
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for (int i = 0; i < n; i++)
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cout << "Cheers! ";
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cout << endl;
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}
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double cube(double x)
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{
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return x * x * x;
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}
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