How many standard output stream classes are there in C++?

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

by default how are the values passed in the functions in c++?

What kind of functions are the min and max functions in C++?

When the pointer passed to the realloc() function is NULL, the function is equivalent to which of the following?

What are command-line arguments?

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

#include <stdio.h>

#include <stdlib.h>

int main()

{

int n, m;

n = abs(23);

m = abs(-11);

printf("%d", n);

printf("%d", m);

return 0;

}

What is the output of the following C program?

#include <stdio.h>

int main()

{

int a = 10, b = 20, c = 30;

if (a > b > c)

printf("FALSE");

else

printf("TRUE");

return 0;

}

What is the output of the following C code that uses a union?

#include "stdio.h"

union example{

    int a;

    int b;

};

int main(){

    union example obj;

    obj.a = 10;

    printf("%d %d", obj.a, obj.b);

return 0;

}

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

#include<iostream>
#include<iterator>
#include<vector>
using namespace std;
int main()
{
vector<int> ar = { 1, 2, 3, 4, 5 };
vector<int>::iterator ptr = ar.begin();
advance(ptr, 2);
cout << *ptr << endl;
return 0;
}