Which header file is required to use the accumulate() function?

 Where does the return statement returns the execution of the program?

What is the purpose of the ofstream class in C++?

What will be the value of x after executing the following program?

int i=0, x=0;

for(i=1; i<10; i++)

{

  if(i%2 == 1)

    x += 1;

  else

    x--;

}

Consider the following recursive function fun(x,y).What is the value of  fun(4,3)?

int fun(int x,int y)

{

if(x==0)

return y;

return fun(x-1,x+y);

}

What will be the output of the following C code considering the size of a short int is 2 bytes, char is 1 byte, and int is 4 bytes?

What is the purpose of the flip() function in a C++ bitset?

#include <iostream>
using namespace std;

int x;

int main ()
{
 int y;
 cout << x << '\n';
 cout << y << '\n';
 return 0;
}

What is the maximum value of an unsigned 16-bit integer?

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

#include <iostream>

using namespace std;

int main()

{

float i = 123.0f;

cout << i << endl;

return 0;

}