How to Swap Two Arrays In C Language

 

#include<stdio.h>

void main()

{

  int a[5] = {5,6,7,8,9};

  int b[5] = {1,2,3,4,5};

  

  int i,swap;

  for(i=0;i<5;i++)

  {

    swap = a[i];

    a[i] = b[i];

    b[i] = swap;

  } 

  printf("A = ");

  for(i=0;i<5;i++)

    printf("%d ",a[i]);

  printf("\nB = ");

  for(i=0;i<5;i++)

    printf("%d ",b[i]); 

  printf("\n");

}

Largest of three numbers in C

 #include <stdio.h>

int main()

{

 int x,y,z;

 clrscr();

 printf("Enter three numbers :");

 scanf("%d,%d,%d",&x,&y,&z);

 if(x>y)

 {

   if(x>z)

     printf("Largest value : %d ",x);

   else

     printf("Largest value : %d ",z);

 }

 else

 {

   if(y>z)

     printf("Largest value : %d",y);

   else

     printf("Largest value : %d",z);

 }

 getch();

}

C language MCQ (Multiple Choise Questions)

Art of C Programming

1 . Address stored in the pointer variable is of type __________

 Character

 Array

 Integer

 Floating

 

2. "*" is called as ___________

 Address Operator

 Scope Resolution Operator

 Value at Operator

 None of these

3. Comment on the following pointer declaration?

     int *ptr, p;

 ptr is a pointer to integer, p is not.

 ptr and p, both are pointers to integer.

 ptr is pointer to integer, p may or may not be.

 ptr and p both are not pointers to integer.

4. Which of the following are correct syntaxes to send an array as a parameter to function

 func(&array);

 func(**array);

 func(*array);

 func(array[size]);

5. Which of the following is not possible in C?

 Array of function pointer

 Returning a function pointer

 Comparison of function pointer

 None of the mentioned

 

Answers

1. Integer

2.  Value at Operator

3. ptr is a pointer to integer, p is not.

4. func(&array);

5. None of the mentioned

Printing Pattern in C | Inverted Half Pyramid

 

#include<stdio.h>

void main()

{

int i,j,r=6;

clrscr();

  for(i=1;i<=r;i++)

  {

   for(j=r;j>=i;j--)

   {

     printf("*");

   }

   printf("\n");

  }

getch();

}