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;
}
#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;
}A. 32
B. 23
C. 48
D. compile time error
Answer: Option A
This Question Belongs to C Plus Plus Programming >> Functions And Procedures In C Plus Plus
What is the correct syntax for defining a function in C++?
A. returnType functionName(parameters) { body; }
B. functionName(parameters) { returnType body; }
C. functionName(returnType, parameters) { body; }
D. returnType functionName(parameters, body) { }
What is the purpose of a function prototype in C++?
A. Determines the parameters of the function
B. Specifies the return type of the function
C. Provides the implementation of the function
D. Declares the function before it is defined
Which keyword is used to define a function in C++ that does not return any value?
A. return
B. null
C. void
D. None of the above
What is the correct way to call a function named "add" that takes two parameters in C++?
A. add(a, b);
B. add(int a, int b);
C. functionName = add(a, b);
D. add.functionName(a, b);
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