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

#include <stdio.h>
void f(int a, int b)
{
        int c;
        a=a+2;
        b=b+1;
        c=a+b;
        printf("%d",c);
}
int main(void)
{
   int a=10,b=11;
   f(b,a);
   printf("%d",b+a);
   return 0;
}

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

#include <stdio.h>
int f(int b[])
{
        int i;
        for(i=0;b[i]!=0;i++)
        {
                b[i]+=1;
        }
        b[i]+=1;
        return 5;
}
int main(void)
{
   int a[10]={1,2,3,4},j,i;
   j=f(a);
   for(i=0;i<=j;i++);
        printf("%d",a[i]);
   return 0;
}

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

#include <stdio.h>
int main(void)
{
   int a=10;
   f(a);
   return 0;
}
void f(int a)
{
        printf("%d",a+1);
}

Q4) What is the input displayed by the below program?

#include <stdio.h>
void f(int b[],int n)
{
        int c[10]={1,2,3,4},i;
        b=c;
        for(i=0;i<n;i++);
                c[i]=b[i];
        printf("%d",b[i]);
}
int main(void)
{
   int b[10]={5,6,7,8};
   f(b,4);
   printf("%d",b[4]);
   return 0;
}

Q5) How many zero’s will be displayed by the below code?

#include <stdio.h>
void f(int a[],int n)
{
        if(n>0)
        {
                printf("%d",a[n]);
                f(a,n-1);
                printf("%d",a[n]);
        }
        else
        {
                printf("%d",a[n]);
        }
}
int main(void)
{
   int a[10]={1,2,3,4,5,6};
   f(a,6);
   return 0;
}

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

#include <stdio.h>
void f(int a[][5])
{
        int i,j;
        for(i=1;i<5;i++)
                for(j=1;j<5;j++)
                        a[i][j]+=1;
}
int main(void)
{
   int a[5][5]={1,2,3,4,5},i;
   f(a);
   for(i=0;i<5;i++)
           printf("%d",a[i][i]);
   return 0;
}

Q7) What is the output displayed by the below program?

#include <stdio.h>
int f(int n)
{
        if(n==6)
        {
                return n;
        }
        else
        {
                return 2*f(n+1);
        }
}
int main(void)
{
   int n=2,z;
   z=f(n);
   printf("%d",z);
   return 0;
}

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

#include <stdio.h>
int f(int w,int z)
{
        int r;
        if(w!=0)
        {
                r=w%10;
                z=z*10+r;
                f(w/10,z);
        }
        else
        {
                return z;
        }
}
int main(void)
{
   int w=193,z;
   z=f(w,0);
   printf("%d",z);

   return 0;
}

Q9)

#include <stdio.h>
int f(int w,int z)
{
        if(w<z)
                return f(z,w);
        else if(z!=0)
                return w+f(w,z-1);
        else
                return 0;
}
int main(void)
{
   int z;
   z=f(10,7);
   printf("%d",z);

   return 0;
}

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

#include <stdio.h>
int w=1;
int b=2;
void f(int w)
{
        if(w>0)
                f(w-1);
        printf("%d",w+b);
        b++;

}
int main(void)
{
   int z=3;
   f(z);

   return 0;
}