Which of the following data types cannot be checked in a switch-case statement?

The va_start macro shall be invoked before any access to the unnamed arguments.

Mistakes by the programmer that cause a program to produce incorrect results are called?

#include<stdio.h>

int func(char* s1)

{

  char* s2=s1;

  while(*++s1)

{

    return s2-s1;

}

}

int main()

{

char* s1="Abekus";

printf("%d",func(s1);

return 0;

}

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

#include using namespace std; int &fun() { static int x = 10; return x; } int main() { fun() = 30; cout << fun(); return 0; }

What are escape sequences?

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

#include <iostream>
#include <string>
using namespace std;
namespace A{
int var = 20;
}
namespace B{
int var = 15;
}
int main()
{
int var = 30;
using namespace B;
cout<<var;
}

What are Templates in C++?

Which of the following statements about automatic variables in programming are true?