What are the three main types of returning values in C++?

What is the value of the expression i=1; i<<1%2?

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

#include void main() { int x = 4; int *p = &x; int *k = p++; int r = p - k; printf("%d", r); }

unsigned long  int func(long int m)

{

  int i ,j=0,sum=0;

  for(i=m;i>1;i=i/2)

{

 j++; 

  for(;j>1;j=j/2)

   sum++;

}

return sum;

}

#include<stdio.h>

int main()

{

       printf("%.3f\n",log(3.6));

       return 0;

}

What is the output of the following C code?

#include<stdio.h>

int main()

{

  int var = -10;

  for(;var;printf("%d ",var++));

}

A compiler that compiles only the modified sections of the source code is called a(n):

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

#include<iostream>

using namespace std;

int main()

{

int i,j;

j=10;

i=(j++,j+100,999+j);

cout<<i;

return 0;

}

Which of the following are good reasons to use an object-oriented programming language?