Q1)  What is the output displayed by the below program?

#include<stdio.h>
int f(int n)
{
     if(n!=0)
          return n+n*f(n-1);
     else
          return n;
}
int main()
{
     int n=5;
     int z;
     z=f(n);
     printf("%d",z);
     return 0;
}

Q2)  What is the output displayed by the below program?

#include<stdio.h>
int main()
{
     int b1=1010,b2=1000;
     int i=0,rem=0;
     int a[20];
     while(b1!=0 || b2!=0)
     {
          a[i++]=(b1%10+b2%10+rem)%2;
          rem=(b1%10+b2%10+rem)/2;
          b1=b1/10;
          b2=b2/10;
     }
     if(rem!=0)
     {
          a[i++]=rem;
          --i;
     }
     while(i>=0)
           printf("%d",a[i--]);
     return 0;
}

Q3)  What is the output displayed by the below program?

#include<stdio.h>
void f(int *p,int m)
{
     m=m-5;
     *p=*p-m;
}
int main()
{
     int i=10,j=5;
     f(&i,j);
     printf("%d",i+j);
     return 0;
}

Q4)  What is the output displayed by the below code?

#include<stdio.h>
int f(unsigned int n)
{
     int x=0;
     while(n!=0)
     {
          if(n&01)
          x++;
          n>>=1;
     }
     return x;
}
int main( )
{
     int n=12;
     int z;
     z=f(n);
     printf("%d",z);
     return 0;
}

Q5)  What is the output displayed by the below program?

#include<stdio.h>
int f1(int n,int *fp)
{
     int t,f;
     if(n<=1)
     {
          *fp=1;
          return 1;
     }
     t=f1(n-1,fp);
     f=t+*fp;
     *fp=t;
     return f;
}
int main()
{
     int x=15;
     printf("%d",f1(5,&x));
     return 0;
}

Q6)  What is the output displayed by the below program?

#include<stdio.h>
void f1(int a,int b)
{
     int c;
     c=a;
     a=b;
     b=c;
}
void f2(int *a,int *b)
{
     int c;
     c=*a;
     *a=*b;
     *b=c;
}
int main()
{
     int a=4,b=5,c=6;
     f1(a,b);
     f2(&a,&c);
     printf("%d",c-a-b);
     return 0;
}

Q7)  Consider the code given below.

#include<stdio.h>
void f(int, short);
int main()
{
     int i=100;
     short s=12;
     short *p=&s;
     -------------; // call to f()
     return 0;
}

which of the following expressions when placed in the blank above will not result in type checking error

Q8)  What is the output displayed by the below program?

#include<stdio.h>
void m(int *ptra,int *ptrb)
{
     int *temp;
     temp=ptrb;
     ptrb=ptra;
     ptra=temp;
}
int main()
{
     int a=2016,b=0,c=4,d=42;
     m(&a,&b);
     if(a<c)
          m(&c,&a);
     m(&a,&d);
     printf("%d",a);
     return 0;
}

Q9)  What is the output displayed by the below code?

#include<stdio.h>
#include<stdlib.h>
int *assignval(int *x,int val)
{
     *x=val;
     return x;
}
int main()
{
     int *x=(int *)malloc(sizeof(int));
     if(NULL==x)
          return 0;
     x=assignval(x,0);
     printf("%d",*x);
     return 0;
}

Q10)  What is the output displayed by the below code?

#include<stdio.h>
int counter =0;
int calc(int a,int b)
{
     int c;
     counter++;
     if(b==3)
          return(a*a*a);
     else
     {
          c=calc(a,b/3);
          return(c*c*c);
     }
}
int main()
{
     calc(4,81);
     printf("%d",counter);
     return 0;
}

Q11)  What is the output displayed by the below code?

#include<stdio.h>
int main()
{
     float x=8.28;
     double y=8.28;
     if(x==y)
          printf("learning");
     else
          printf("monkey");
     return 0;
}

Q12)  What is the output displayed by the below program?

#include<stdio.h>
int main()
{
     char t;
     char a[10]={1,2,3,4,5,6,7,8};
     t=(a+1)[2];
     printf("%d",t);
     return 0;
}

Q13)  What is the output displayed by the below code? [if error type 0 in the answer]

#include<stdio.h>
#define a "klmn"
int main()
{
     printf("%c",a[2]);
     return 0;
}

Q14)   What is the output displayed by the below code?

#include<stdio.h>
int main()
{
     typedef static int *i;
     int j;
     i a=&j;
     printf("%d",*a);
     return 0;
}

Q15)  What is the output displayed by the below code? [if error type 0 in answer]

#include<stdio.h>
int main()
{
     char *p="Learning";
     printf("%c",*&*p);
     return 0;
}