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

#include<stdio.h>
struct defence
{
     static int a;
}d={5};
int main()
{
     struct defence d1 = d;
     printf("%d %d",d1.a++,d1.a);
     return 0;
}

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

#include<stdio.h>
int main()
{

     int array[2][3]={1,2,3,4,5,6};
     int (*ptr)[2][3]=&array;
     printf("%d ",***ptr);
     printf("%d ",***(ptr+1));
     printf("%d ",**(*ptr+1));
     printf("%d ",*(*(*ptr+1)+2));
     return 0;
}

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

#include<stdio.h>
int main()
{
     int x = 123;
     int i =printf("k""kk");
     printf("%d", i);
     for(x=0;x<=i;x++)
     {
          printf("%x",x);
     }
     return 0;
}

4) What is the output displayed by below two programs?

#include<stdio.h>
int main()
{
     int const s=5;
     int e;
     double v[s]={2.0,4.0,6.0,8.0,10};
     e=1|2|3|4;
     printf("%f",v[e]);
     return 0;
}

#include<stdio.h>
int main()
{
     int const s=5;
     int e;
     double v[5]={2.0,4.0,6.0,8.0,10};
     e=1|2|3|4;
     printf("%f",v[e]);
     return 0;
}

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

#include<stdio.h>
int main()
{
     int x=011,i;
     for(i=0;i<x;i+=3)
     {
          printf("hello");
          continue;
          printf("bye");
     }
     return 0;
}

6) Check the below program and identify the Total?

#include<stdio.h>
int main()
{
     int i,j,cv='A';
     for(i=5;i>=1;i--)
     {
          for(j=0;j<i;j++)
          {
              printf("%c",(cv+j));
          }
     printf("\n");
     }
     return 0;
}
Total = number of times B displayed in above code + Number of times C displayed in above code
What is Total value?

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

Assume int is of size 4 bytes
#include<stdio.h>
int main()
{
     int a,b;
     char *p=(char *)0;
     int *q =(int *)0;
     a = (int)(p+1);
     b = (int)(q+1);
     printf("%d%d",a,b);
     return 0;
}

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

#include<stdio.h>
int main()
{
     int m=1;
     switch(m<<2+m)
     {
          default: printf("default");
          case 4: printf("4");
          case 5: printf("5");
          case 8: printf("8");
     }
     return 0;
}

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

#include<stdio.h>
int main()
{
     unsigned char v=0;
     for(v=0;v<=255;v++)
     printf("%d",v);
     return 0;
}

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

#include<stdio.h>
int x;
int main()
{
     do
     {
         do
         {
            printf("%o",x);
         }while(!-2);
     }while(0);
     return 0;
}

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

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

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

#include<stdio.h>
#define v 3
int main()
{
     char *c[v+~0]={"hollo","mike"};
     char *ptr=c[1+~0];
     printf("%c",*++ptr);
     return 0;
}

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

#include<stdio.h>

struct st
{
    int r;
    int c;
    int s[8];
};
int main()
{
     struct st s ={1,2,3,4,5,6};
     int *p;
     p=(int *)&s;
     printf("%d",*(p+3));
     return 0;
}

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

#include<stdio.h>
int main()
{
     int i,j;
     i=j=2,3;
     while(--i&&j++)
          printf("%d %d",i,j);
     return 0;
}

15) 
The below code will display the pattern
1
12
123
1234
.....

Minimum number of modifications needed to be done
adding a line or modifying a line is counted as 1 modification

#include<stdio.h>
void patternprint(int n)
{
     int p=1,i,j;
     for(int i=0;i<n;i++)
     {
          for(j=0;j<=i;j++)
          {
               printf("%d",p++);
          }
          printf("\n");
     }
}

int main()
{
     patternprint(5);
     return 0;
}