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

#include<stdio.h>
int c(int a)
{
     if(a==0)
         return 0;
     else
         return(a%10+2*c(a/10));
}
int main()
{
     int ans;
     ans=c(100);
     printf("%d",ans);
     return 0;
}

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

#include<stdio.h>
int f(int a[8],int i,int sum)
{
     if(i<0)
          printf("%d",sum);
     else
     {
          if((a[i]%2==1))
                sum+=a[i];
          f(a,i-1,sum);
     }
}
int main()
{
     int a[8]={1,2,3,4,5,6,7,8},n=8,sum=0;
     int i=n-1;
     f(a,i,sum);
     return 0;
}

Q3)  The below program will display sum of 10 multiples of 10.

Identify the wrong and missing statement?

#include<stdio.h>
int main()
{
     int i=0;// statement 1
     int sum=0;// Statement 2
     while(i<=1000)// Statement 3
     {
          sum=sum+i;//Statement 4
          --Missing Sataement--
     }
     printf("%d",sum);
     return 0;
}

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

#include<stdio.h>
int f(int *a,int *b)
{
     int s;
     s=*a+*b;
     *b=*a;
     return *a=s-*b;
}
int main()
{
     int i=0,j=1,k=2,l;
     l=i++ || f(&j,&k);
     printf("%d%d%d%d",i,j,k,l);
     return 0;
}

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

#include<stdio.h>
int main()
{
     int x=1,i,y=2;
     for(i=0;i<4;i++)
     {
          x<<1;
          y=x+i;
     }
     printf(“%d%d”,x,y);
     return 0;
}

Q6)  Which of the following are equal to the statement?

int k = (i<<3)+(j>>2)

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

#include<stdio.h>
void f1(int *p,int *q)
{
     p=q;
     *p=2;
}
int i=0,j=1;
int main()
{
     f1(&i,&j);
     printf("%d %d",i,j);
     return 0;
}

Q8)  What will be the output displayed by the below code?

#include<stdio.h>
int a[5][5]={1,2,3,4,5};
int main()
{
     int temp;
     int c=100,i,j;
     for(i=0;i<5;i++)
     for(j=0;j<5;j++)
     {
          temp=a[i][j]+c;
          a[i][j]=a[j][i];
          a[j][i]=temp-c;
     }
     for(i=0;i<5;i++)
     { 
          for(j=0;j<5;j++)
          {
               printf("%d",a[i][j]);
          }
          printf("\n");
     }
     return 0;
}

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

#include<stdio.h>
#define print(x) printf("%d",x)
int x;
void q(int z)
{
     z+=x;
     print(z);
}
void p(int *y)
{
     int x=*y+2;
     q(x);
     *y=x-1;
     print(x);
}
int main()
{
     x=5;
     p(&x);
     print(x);
     return 0;
}

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

#include<stdio.h>
#include<string.h>
int main()
{
     int i;
     char p[20];
     char *s="string";
     int length=strlen(s);
     for(i=0;i<length;i++)
          p[i]=s[length-i];
     printf("%s",p);
     return 0;
}

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

#include<stdio.h>
int main()
{
     signed int a;
     unsigned int b;
     a=6u+ -16 +16u -6;
     b=a+1;
     if(a==b)
          printf("%d%d",a,b);
     else
          printf("%u%u",a,b);
     return 0;
}

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

#include<stdio.h>
int main()
{
     int a[][3]={1,2,3,4,5};
     int (*ptr)[5]=a;
     printf("%d%d",(*ptr)[0],(*ptr)[1]);
     return 0;
}

Q13)  What is the output displayed by the below program?

#include<stdio.h>
void f(int **p)
{
     printf(“%d”,*(*p)+1);
}
int main()
{
     int a[2][3]={{3,6,9},{12,15,18}};
     int *p;
     p=&a;
     f(&p);
     return 0;
}

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

#include<stdio.h>
#include<string.h>
int main()
{
     char *p="learning";
     char a[6];
     strcpy(a,"monkey");
     printf("%s%s",p,a);
     return 0;
}

Q15)  What is the output displayed by the below code?

#include<stdio.h>
int main()
{
     int x=5;
     int * const ptr=&x;
     ++(*ptr);
     printf("%d",x);
     return 0;
}