What is the correct syntax to access the first element of a pair p?

Which unit does the C++ trigonometric functions use for angles?

 The strpbrk() function is used to return a pointer to the character, or a null pointer if no character from s2 occurs in s1. 

Which of the following looks only for  a match between the value of the expression and one of its case constants.

What happens when a program throws an exception that is not explicitly handled?

Which of the following statements is correct?

What will be the output of the following program?

#include <stdio.h>

int main()

{

    extern int ok;

    printf("value of ok = %d",ok);

    return 0;

}

extern int ok=1000;

 The correct statement for a function that takes pointer to a float, a pointer to a pointer to a char and returns a pointer to a pointer to a integer is ____________

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

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