Functions and Procedures in C++
practice.

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
void print(int i)
{
    cout << i;
}
void print(double  f)
{
    cout << f;
}
int main(void)
{
    print(5);
    print(500.263);
    return 0;
}

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
#define SquareOf(x) x * x
int main()
{
    int x;
    cout << SquareOf(x + 4);
    return 0;
}

Pick the incorrect statement for namespaces in C++.

What will be the output of the following C++ code?

#include <iostream>
#include <stdarg.h>
using namespace std;
int add (int num, ...)
{
    int sum = 0;
    va_list args;
    va_start (args,num);
    for (int i = 0; i < num; i++) 
    {
        int num = va_arg (args,int);
        sum += num;
    }
    va_end (args);
    return sum;
}
int main (void)
{
    int total = add(8, 1, 2, -1, 4, 12, -2, 9, 7);
    cout << "The result is " << total;
    return 0;
}

What will happen when the exception is not caught in the program?

What should be passed in parameters when function does not require any parameters?

How many types do functions fall depends on modularization?

What will be the output of the following C++ code?

#include <iostream>
#include <stdarg.h>
using namespace std;
void dumplist(int, ...);
int main()
{
    dumplist(2, 4, 8);
    dumplist(3, 6, 9, 7);
    return 0;
}
void dumplist(int n, ...)
{
    va_list p;
    int i;
    va_start(p, n);
    while (n-->0) 
    {
        i = va_arg(p, int);
        cout << i;
    }
    va_end(p);
}

Which keyword is used to access the variable in the namespace?

Where can the default parameter be placed by the user?

What will happen while using pass by reference?

What will be the output of the following C++ code?

#include <iostream>
#include <string>
using namespace std;
namespace 
{
	int var = 10;
}
int main()
{
	cout<<var;
}

Which operator is used to signify the namespace?

which keyword is used to define the macros in c++?

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
int operate (int a, int b)
{
    return (a * b);
}
float operate (float a, float b)
{
    return (a / b);
}
int main()
{
    int x = 5, y = 2;
    float n = 5.0, m = 2.0;
    cout << operate(x, y) <<"\t";
    cout << operate (n, m);
    return 0;
}

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
#define PR(id) cout << "The value of " #id " is "<<id
int main()
{
    int i = 10;
    PR(i);
    return 0;
}

In which of the following we cannot overload the function?

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
 
int fun(int=0, int = 0);
 
int main()
{
  cout << fun(5);
  return 0;
}
int fun(int x, int y) { return (x+y); }

Which keyword is used to check exception in the block of code?

In which of the following cases inline functions may not word?
i. If the function has static variables.
ii. If the function has global and register variables.
iii. If the function contains loops
iv. If the function is recursive