PPS

Programs of Programming for Problem Solving using C language.

1.Write a program that perform as calculator( Addition, Multiplication, division, subtraction).

 Solution            

2.Write a program to find area of triangle using formula a = h*b*0.5.

             where,

             a - area of triangle

             h - height of triangle and

             b - length of base of triangle

Solution

3. Write a program to calculate simple interest(i= p*r*n/100).

             where,

              i - simple interest

              p - principal amount

              r - Rate of interest

              n - Number of years

solution

4. Write a C program to interchange two numbers.

using 3rd variable                                  without using 3rd variable

5. Write a C program to enter a distance in kilometers and convert it into meter, feet, inches, and centimeter.

 solution

6. Write a program to convert temperature in centigrade into Fahrenheit(f=1.8*c + 32).

Solution

7. Write a program to find out distance traveled by an object using the equation  d = u*t + 0.5*a*t*t.

where,

          d - distance traveled

          u - initial velocity

          a - acceleration

          t - time taken

Solution

8. Write a program to find that the accepted number is positive, Negative or Zero.

Solution

9. Write a program to read marks of a student from keyboard and print whether he/she is pass or fail.

Solution

 10. Write a program to read three numbers from keyboard and find out maximum out of that numbers.

Solution

11. Write a program to check whether the entered character is capital, small letter, digit or any special character.

Solution

12. Write a program to read marks from keyboard and your program should display equivalent grade according to following criteria.
                marks                       Grade
           100-80                         Distinction
           79-60                           First Class
           59-40                           Second Class
           < 40                             Fail

Solution

 13. Write a program to prepare pay slip using following data.
Da = 10% of basic, Hra = 7.50% of basic, Ma = 300, Pf = 12.50% of basic,
Gross = basic + Hra + Da + Ma, Nt = Gross - Pf.

Solution

14. Write a C program to read no. 1 to 7 and print relatively day Sunday to Saturday.

Solution

15. Write a C program to find out maximum and minimum number from given 10 numbers.

Solution

16.Write a program to input an integer number and check the last digit of number is even or odd.

Solution

17. Write a C program to find factorial of given number.

Solution

18. Write a program to reverse a given number.

Solution

19. Write a program to generate first n numbers of Fibonacci series. ( 0,1,1,2,3,5,8,13,.........)

Solution

20. Write a program to find sum of first and last digit of given number.

Solution

21. Write a C program to find sum and average of different numbers which are entered by the user as many as user want.

Solution

22.Write a program to calculate average and total of 5 students for 3 subjects(using nested for loop).

Solution

23. Read five persons height and weight and count the number of persons having height greater than 170 and weight less than 50.

Solution

24. Write a program to check whether the given number is prime or not.

Solution

25. Write a program to evaluate the series 1^2 + 2^2 + 3^2 +..................+ n^2.

Solution

26. Write a program to find 1 + 1/2 + 1/3 + 1/4 + 1/5 +..........................+ 1/n.

Solution

27. Write a C program to find 1 + 1/2! + 1/3! + 1/4! +..........................+ 1/n!.

Solution

28. Write a program to evaluate the series 1 - x + x^2/2! - x^3/3! +............

Solution

29.  Write a program to print following patterns :

i)

*

* *

* * *

* * * *

* * * * *
Solution

ii)

    *

   * *

  * * *
 * * * *
* * * * *
Solution

iii)

*****

****

***

**

*

Solution
30. Write a program to print following patterns :

i) 
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
Solution
ii)
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
Solution
iii)
5 5 5 5 5
4 4 4 4
3 3 3
2 2
1
Solution
iv)
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
Solution
31.    Write a program to print following patterns :

i)
A A A A A
B B B B
C C C
D D
E
Solution
ii)
A B C D E
A B C D
A B C
A B
A
Solution   
32.  Write a program to read and store the roll no and marks of 20 students using array.

Solution

33. Write a program to find out which number is even and odd from a list of 10 numbers using array.

Solution

34. Write a program to find maximum element from 1-Dimensional array.

solution

35. Write a program to calculate the average, geometric mean, Harmonic mean of n elements of an array.

Solution

36. Write a program to sort given array in ascending order.

Solution

37. Write a program to find a character from given string.

Solution

38. Write a program to replace a character in given string.

Solution

39. Write a program to delete a character in given string.

Solution

40. Write a program to reverse given string.

Solution

41. Write a program to convert given string into upper case.

Solution

42. Write a program that defines a function to add first n numbers.

Solution

43. Write a Write a program to return 1 if given number is prime and or to return 0 if number is not prime.

Solution

44. Write a function exchange to interchange the values of two variables, say x and y. Illustrate the effect of this change in calling function.

Solution

45. Write a program to use recursive calls to evaluate f(x) = x - x^3/3! + x^5/5! - .................... x^n/n!.

Solution

46. Write a program to find factorial of a number using recursion.

Solution

47. Write a C program using Global variable, Static variable.

Global variable             Local variable

48. Write a function that will scan a character string passed as an argument and convert all lower case letters into their uppercase equivalents.

Solution

49. Write s program to read structure elements from keyboard.

Solution

50. Define a  structure type struct personal that would contain person name, date of joining and salary. Use this structure to read the information of 5 people and print the same on the screen.

Solution

51. Define a structure data type called time_struct containing three numbers integer hour, integer minute and integer second. Develop a program that would assign values to the individual number and display the time in the shown format:   16:40:51.

Solution

52. Define a structure called cricket that will describe the following information:
Player name
Team name
Batting average
Using cricket, declare an array player with 50 elements and write a C program to read the information about all the 50 players and print team wise list containing names of players with their batting average.

Solution

53. Design a structure student_record to contain name, branch and total marks obtained. Develop a program to read data for 10 students in a class and print them.

Solution

54. Write a program to print address of variable using pointer.

Solution

55. Write a C program to swap the two values using pointers.

Solution

56.Write a C program to print the address of character and the character of string using pointer.

Solution

57. Write a program to access elements using pointer.

Solution

58. Write a program for sorting using pointer.

Solution

59. Write a program to write a string in file.

Solution

60. A file named data contains series of integer numbers. Write a c program to read all numbers from file and then write all odd numbers into file named “odd” and write all even numbers into file named “even”. Display all the contents of these file on screen.     

Solution