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What is the output of this program? #include <iostream><br /> using namespace std;<br /> int main()<br /> {<br /> int arr[] = {4, 5, 6, 7};<br /> int *p = (arr + 1);<br /> cout << arr;<br /> return 0;<br /> }

Correct Answer: address of arr

As we couted to print only arr, it will print the address of the array.

What is the condition for two elements arr and arr to form an inversion? arr and i < j

What is the output of this program ? #include
using namespace std;
int n(char, int);
int (*p) (char, int) = n;
int main()
{
(*p)('d', 9);
p(10, 9);
return 0;
}
int n(char c, int i)
{
cout << c << i;
return 0;
}

What is the correct syntax of declaring array of pointers of integers of size 10 in C++? ; b) int **arr = new int*; c) int *arr = new int; d) int *arr = new int*;

What is the output of this program? #include
using namespace std;
void fun(int x, int y)
{
x = 20;
y = 10;
}
int main()
{
int x = 10;
fun(x, x);
cout << x;
return 0;
}

What is the output of this program? #include
using namespace std;
struct sec {
int a;
char b;
};
int main()
{
struct sec s ={25,50};
struct sec *ps =(struct sec *)&s;
cout << ps->a << ps->b;
return 0;
}

What will be the final values of i and j in the following C code?
#include <stdio.h>int x = 0;int f(){ if (x == 0) return x + 1; else return x - 1;}int g(){ return x++;}int main(){ int i = (f() + g()) | g(); //bitwise or int j = g() | (f() + g()); //bitwise or}

What will be the final values of i and j in the following C code?
#include <stdio.h>int x = 0;int f(){ if (x == 0) return x + 1; else return x - 1;}int g(){ return x++;}int main(){ int i = (f() + g()) || g(); int j = g() || (f() + g());}

Comment on the following 2 C programs.
#include <stdio.h> //Program 1int main(){ int a; int b; int c;}#include <stdio.h> //Program 2int main(){ int a; { int b; } { int c; }}

Which of the following is an external variable in the following C code?
#include <stdio.h>int func (int a){ int b; return b;}int main(){ int c; func (c);}int d;

What is the difference between the following 2 C codes?
#include <stdio.h> //Program 1int main(){ int d, a = 1, b = 2; d = a++ + ++b; printf("%d %d %d", d, a, b);}

#include <stdio.h> //Program 2int main(){ int d, a = 1, b = 2; d = a++ +++b; printf("%d %d %d", d, a, b);}