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Wednesday 7 September 2016

Solar system using structure

Develop a structure to represent a planets in the solar system. Each planet has the field for the planets name, its distance from the sun in miles and the number of moon it has. Write a program to read the data for each planet and store. Also print the name of the planet that has the highest number of moons.

#include<stdio.h>

struct SolarSystem

{

char name[30];

int distance;

int moons;

}planet[9];

void main()

{

int i, max_moons, pos;

printf("\nEnter planets records: \n");

for(i=0;i<9;i++)

{

printf("\nEnter the name of the planet: ");

scanf("%s", planet[i].name);

printf("\nEnter the distance of the planet from sun: ");

scanf("%d", &planet[i].distance);

printf("\nEnter the number of moons for planet: ");

scanf("%d", &planet[i].moons);

}

printf("\nPlanets records: \n");

printf("\n---------------------------------------");

printf("\nName\tDistance\tMoon");

printf("\n---------------------------------------");

for(i=0;i<9;i++)

{

printf("\n%s\t%d\t%d", planet[i].name,planet[i].distance, planet[i].moons);

}

max_moons = planet[0].moons;

pos=0;

for(i=0;i<9;i++)

{

if(planet[i].moons> max_moons)

{

max_moons = planet[i].moons;

pos=i;

}

printf("\nThe planet having highest number of moons is %s", planet[pos].name);

}

Output:

(Note: Distance in million miles)

Enter planets records:

Enter the name of the planet: Mercury

Enter the distance of the planet from sun: 36

Enter the number of moons for planet: 0

Enter the name of the planet: Venus

Enter the distance of the planet from sun: 67

Enter the number of moons for planet: 0

Enter the name of the planet: Earth

Enter the distance of the planet from sun: 93

Enter the number of moons for planet: 1

Enter the name of the planet: Mars

Enter the distance of the planet from sun: 142

Enter the number of moons for planet: 2

Enter the name of the planet: Jupiter

Enter the distance of the planet from sun: 483

Enter the number of moons for planet: 62

Enter the name of the planet: Saturn

Enter the distance of the planet from sun: 888

Enter the number of moons for planet: 53

Enter the name of the planet: Uranus

Enter the distance of the planet from sun: 1784

Enter the number of moons for planet: 21

Enter the name of the planet: Neptune

Enter the distance of the planet from sun: 2794

Enter the number of moons for planet: 13

Enter the name of the planet: Pluto

Enter the distance of the planet from sun: 2647

Enter the number of moons for planet: 3

Planets records:

----------------------------------------------------------------------

Name Distance Moon

-----------------------------------------------------------------------

Mercury 36 0

Venus 67 0

Earth 93 1

Mars 142 2

Jupiter 483 62

Saturn 888 53

Uranus 1784 21

Neptune 2794 13

Pluto 2647 3

The planet having highest number of moons is Jupiter

Friday 2 September 2016

DMA questions set

Dynamic Memory Allocation Function

Data Strutures 15CS33

1. Explain what is static and dynamic memory allocation? Explain with examples dynamic memory allocation functions.

(December 2007)

(June 2009)

(December 2010)

(June 2012)

(December 2012)

(December 2014)

(December 2015)

(9 marks)

Pointers Questions Set

Pointers

Data Structures 15CS33

1. Given the following declarations:

int x ;

double d;

int *p;

double *q;

Which of the following expressions are not allowed?

i) p = &x;

ii) p = &d;

iii) q = &x;

iv) q = &d

v) p = x;

(December 2007)

(5 marks)

2. Show what would be printed from the following block:

#include<stdio.h>

void fun (int (*p)[3])

{

printf ("\n%d %d %d", (*p)[0], (*p)[1], *p[2]);

return;

}

void main()

{

/* local definitions */

int x [2][3] = { { 4,5, 2}, { 7,6, 9} };

/* statements */

fun (x);

fun (x+1);

return 0;

}

(December 2007)

(6 marks)

Output:

4 5 2686792

7 6 2130567168

3. What is pointer variable? Can we have multiple pointer to variable?

(June 2009)

(December 2009)

(June 2010)

(6 marks)

4. Show the output of the following block:

main()

{

int num[5] = {3,4,6,2,1};

int *p = num;

int *q = num+2;

int *r = &num[1];

printf("\n%d %d", num[2], *(num+2));

printf("\n%d %d", *p, *(p+1));

printf("\n%d %d", *q, *(q+1));

printf("\n%d %d", *r, *(r+1));

}

(June 2009)

(December 2010)

(6 marks)

Output:

6 6

3 4

6 2

4 6

5. What is pointer to pointer?Write a C program to find the smallest element in an array (using pointer and function)

(December 2009)

(7 marks)

6. Write the output of the following

#include<stdio.h>

main()

{

int a = 5;

int b = 7;

int *p = &a;

int *q = &b;

printf("\n%d", ++a);

printf("\n%d", ++(*p));

printf("\n%d", --(*q));

printf("\n%d", --b);

}

(December 2009)

(4 marks)

Output:

7. Write a C program to read 10 integers and store them in an array using pointers. Print their sum and average.

(June 2010)

(5 marks)

8. What is pointer? What are the uses of pointers? How do you declare and initialize the pointers? How do you access the value pointed by the pointers?

(June 2010)

(December 2010)

(June 2012)

(December 2012)

(June 2013)

(June 2014)

(December 2014)

(5 marks)

9. Write a C function to swap two numbers using a pointers.

(June 2012)(5 marks)

Friday 26 August 2016

Topic wise VTU Data Structures questions 15CS33

Complied set of Topic wise VTU Data Structures questions 15CS33

Module 1:

Pointers Download

Strutures and Unions Download

Dynamic Memory allocation Download

Arrays Download

Strings Download

Module 2:

Stack Download

Recursion Download

Queue Download

VTU Data Structures Question Papers

Year-wise Question Papers

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