what is output by the following programs?

1)

#include using namespace std; void f1(); int main() { int x = 0; cout << "Initially, x = " << x << endl; f1(); cout << "At the end, x = " << x << endl; } // end main // definition for f1 void f1() { int x = 3; cout << "During call to f1, x = " << x << endl; // end function f1

2) What is the output of cout << mystery2( 5, 4 ) << endl; ?

int mystery2( int x, int y ) { if ( y == 0 ) return x;

else if ( y < 0 ) return mystery2( x - 1, y + 1 ); else return mystery2( x + 1, y - 1 ); } // end function mystery2

3) Using the code above, what is the output of cout << mystery2( 5, -4 ) << endl; ?

Determine if there are any errors in the following code:

1) Code should define function maximum and return the largest of the three integers.

int maximum( int x, int y, int z ); { int max = x; if ( y > max ) max = y; if ( z > max ) max = x; return max; } // end function maximum

2) The following code program segment should output five random numbers in the range from 1 to 6, inclusive:

for ( int i = 1; i <= 5; i++ ) { cout << setw( 10 ) << 1 + srand() % 6;

Correct the Code:

1) The following program segment creates an enumeration (Status), creates a variable of the enumerations type and sets it to WON:

enum Status = { CONTINUE; WON; LOST }; Status myStatus = 1;

2) The following program should display three lines of text:

#include using namespace std; int main() { cout << "Before call to f1. "; f1(); cout << "After call to f1. "; } // end main // f1 definition void f1() { cout << "During call to f1. "; } // end function f1

3) The following segment should define two functions:

void f2() { cout << "During call to f2. "; void f3() { cout << "During call to f3. "; } } // end function f2

4) The given program segment should recursively calculate factorials.

void factorial( unsigned long number ) { if ( number <= 1 ) return 1; else return number * factorial( number + 1 ); } // end function factorial