Monday, July 12, 2021

C Programming Questions



Programs on Operators


·                     Write a C program to check Least Significant Bit (LSB) of a number is set or not.


·                     Write a C program to check Most Significant Bit (MSB) of a number is set or not.


·                     Write a C program to get nth bit of a number.


·                     Write a C program to set nth bit of a number.


·                     Write a C program to clear nth bit of a number.


·                     Write a C program to toggle nth bit of a number.


·                     Write a C program to flip bits of a binary number using bitwise operator.


·                     Write a C program to swap two numbers using bitwise operator.


·                     Write a C program to check whether a number is even or odd using bitwise operator.


·                     Write a C program to find maximum between two numbers using conditional operator.


·                     Write a C program to find maximum between three numbers using conditional operator.


·                     Write a C program to check whether a number is even or odd using conditional operator.


·                     Write a C program to check whether year is leap year or not using conditional operator.


·                     Write a C program to check whether character is an alphabet or not using conditional operator.


 


Programs on if-else


 


·                     Write a C program to find maximum between two numbers.


·                     Write a C program to find maximum between three numbers.


·                     Write a C program to check whether a number is negative, positive or zero.


·                     Write a C program to check whether a number is divisible by 5 and 11 or not.


·                     Write a C program to check whether a number is even or odd.


·                     Write a C program to check whether a year is leap year or not.


·                     Write a C program to check whether a character is alphabet or not.


·                     Write a C program to input any alphabet and check whether it is vowel or consonant.


·                     Write a C program to input any character and check whether it is alphabet, digit or special character.


·                     Write a C program to check whether a character is uppercase or lowercase alphabet.


·                     Write a C program to input week number and print week day.


·                     Write a C program to input month number and print number of days in that month.


·                     Write a C program to count total number of notes in given amount.


·                     Write a C program to input angles of a triangle and check whether triangle is valid or not.


·                     Write a C program to input all sides of a triangle and check whether triangle is valid or not.


·                     Write a C program to check whether the triangle is equilateral, isosceles or scalene triangle.


·                     Write a C program to find all roots of a quadratic equation.


·                     Write a C program to calculate profit or loss.


·                     Write a C program to input marks of five subjects Physics, Chemistry, Biology, Mathematics and Computer. Calculate percentage and grade according to following:

Percentage >= 90% : Grade A

Percentage >= 80% : Grade B

Percentage >= 70% : Grade C

Percentage >= 60% : Grade D

Percentage >= 40% : Grade E

Percentage < 40% : Grade F


·                     Write a C program to input basic salary of an employee and calculate its Gross salary according to following:

Basic Salary <= 10000 : HRA = 20%, DA = 80%

Basic Salary <= 20000 : HRA = 25%, DA = 90%

Basic Salary > 20000 : HRA = 30%, DA = 95%


·                      Write a C program to input electricity unit charges and calculate total electricity bill according to the given condition:

For first 50 units Rs. 0.50/unit

For next 100 units Rs. 0.75/unit

For next 100 units Rs. 1.20/unit

For unit above 250 Rs. 1.50/unit

An additional surcharge of 20% is added to the bill


Programs on switch case


·                     Write a C program to print day of week name using switch case.


·                     Write a C program print total number of days in a month using switch case.


·                     Write a C program to check whether an alphabet is vowel or consonant using switch case.


·                     Write a C program to find maximum between two numbers using switch case.


·                     Write a C program to check whether a number is even or odd using switch case.


·                     Write a C program to check whether a number is positive, negative or zero using switch case.


·                     Write a C program to find roots of a quadratic equation using switch case.


·                     Write a C program to create Simple Calculator using switch case.


 


Programs on loops


·                     Write a C program to print all natural numbers from 1 to n. - using while loop


·                     Write a C program to print all natural numbers in reverse (from n to 1). - using while loop


·                     Write a C program to print all alphabets from a to z. - using while loop


·                     Write a C program to print all even numbers between 1 to n. - using while loop


·                     Write a C program to print all odd number between 1 to n.


·                     Write a C program to find sum of all natural numbers between 1 to n.


·                     Write a C program to find sum of all even numbers between 1 to n.


·                     Write a C program to find sum of all odd numbers between 1 to n.


·                     Write a C program to print multiplication table of any number.


·                     Write a C program to count number of digits in a number.


·                     Write a C program to find first and last digit of a number.


·                     Write a C program to find sum of first and last digit of a number.


·                     Write a C program to swap first and last digits of a number.


·                     Write a C program to calculate sum of digits of a number.


·                     Write a C program to calculate product of digits of a number.


·                     Write a C program to enter a number and print its reverse.


·                     Write a C program to check whether a number is palindrome or not.


·                     Write a C program to find frequency of each digit in a given integer.


·                     Write a C program to enter a number and print it in words.


·                     Write a C program to print all ASCII character with their values.


·                     Write a C program to find power of a number using for loop.


·                     Write a C program to find all factors of a number.


·                     Write a C program to calculate factorial of a number.


·                     Write a C program to find HCF (GCD) of two numbers.


·                     Write a C program to find LCM of two numbers.


·                     Write a C program to check whether a number is Prime number or not.


·                     Write a C program to print all Prime numbers between 1 to n.


·                     Write a C program to find sum of all prime numbers between 1 to n.


·                     Write a C program to find all prime factors of a number.


·                     Write a C program to check whether a number is Armstrong number or not.


·                     Write a C program to print all Armstrong numbers between 1 to n.


·                     Write a C program to check whether a number is Perfect number or not.


·                     Write a C program to print all Perfect numbers between 1 to n.


·                     Write a C program to check whether a number is Strong number or not.


·                     Write a C program to print all Strong numbers between 1 to n.


·                     Write a C program to print Fibonacci series up to n terms.


·                     Write a C program to find one's complement of a binary number.


·                     Write a C program to find two's complement of a binary number.


·                     Write a C program to convert Binary to Octal number system.


·                     Write a C program to convert Binary to Decimal number system.


·                     Write a C program to convert Binary to Hexadecimal number system.


·                     Write a C program to convert Octal to Binary number system.


·                     Write a C program to convert Octal to Decimal number system.


·                     Write a C program to convert Octal to Hexadecimal number system.


·                     Write a C program to convert Decimal to Binary number system.


·                     Write a C program to convert Decimal to Octal number system.


·                     Write a C program to convert Decimal to Hexadecimal number system.


·                     Write a C program to convert Hexadecimal to Binary number system.


·                     Write a C program to convert Hexadecimal to Octal number system.


·                     Write a C program to convert Hexadecimal to Decimal number system.


·                     Write a C program to print Pascal triangle upto n rows.


 


Pattern Programs


11111

22222

33333

44444

55555

     Solution



12345


12345


12345


12345


12345


    solution



1


12


123


1234


12345


 solution


1


23


456


78910


solution


 


 


 


1


22


333


4444


55555 


solution 


5


54


543


5432


 


54321


solution


 


            1


         2 2


      3 3 3


  4 4  4 4


5 5 5 5 5


solution


 


55555


  4444


    333


      22


         1

solution


12345


1234


123


12


 


1


solution


 


12345


2345


345


45


 


5


solution


 


54321


4321


321


21


1


solution


 


54321


5432


543


54


5


solution


 


5


45


345


2345


12345


solution


 


1


21


321


4321


54321


 solution


 


00000


11111


00000


11111


00000



solution 



01010


01010


01010


01010


01010


solution



10000


01000


00100


00010


00001



solution



11111


10001


10001


10001


11111



solution


10101


01010


10101


01010


10101

solution



110011


110011


000000


000000


110011


110011



solution



10001


01010


00100


01010


10001


solution


01110


10001


10001


10001


 


01110


solution


12345


23456


34567


45678


 


56789


solution


12345


21234


32123


43212


 


54321


solution


 


54321


43212


32123


21234


12345


solution


 


12345


23451


34521


45321


54321

solution



55555


54444


54333


54322


 


54321


solution


 


55555


45555


34555


23455


12345


solution


 


55555


44445


33345


22345


 


12345


solution


 


54321


54322


54333


54444


55555


solution


 


12345


22345


33345


44445


55555


solution


 


 


1  2  3  4  5 


6  7  8  9  10


11 12 13 14 15


16 17 18 19 20


 


21 22 23 24 25


solution


555555555


544444445


543333345


543222345


543212345


543222345


543333345


544444445


 


555555555


solution


 


13579


3579


579


79


 


9


solution





1


2 4


1 3 5


2 4 6 8


1 3 5 7 9


solution



1


2 6


3 7 10


4 8 11 13


5 9 12 14 15


solution


1

2*3

4*5*6

7*8*9*10

11*12*13*14*15

11*12*13*14*15

7*8*9*10

4*5*6

2*3


1


solution


 


1

2*2

3*3*3

4*4*4*4

5*5*5*5*5

5*5*5*5*5

4*4*4*4

3*3*3

2*2

1


solution


 


3

44

555

6666

6666

555

44

3


solution


 


1 1 1 1 2

 3 2 2 2 2

 3 3 3 3 4

 5 4 4 4 4

 5 5 5 5 6

 7 6 6 6 6

 7 7 7 7 8

 9 8 8 8 8

 9 9 9 9 10

 11 10 10 10 10


solution


 


 1 1 1 1 1 1 1 2

 3 2 2 2 2 2 2 2

 3 3 3 3 3 3 3 4

 5 4 4 4 4 4 4 4

 5 5 5 5 5 5 5 6

 7 6 6 6 6 6 6 6

 7 7 7 7 7 7 7 8


solution


 


1

3*2

4*5*6

10*9*8*7

11*12*13*14*15


solution


 


12345

23451

34521

45321

54321

solution


1

232

45654

78910987

111213141514131211

solution


 A B C D E F G H I J J I H G F E D C B A

   A B C D E F G H I I H G F E D C B A

     A B C D E F G H H G F E D C B A

       A B C D E F G G F E D C B A

         A B C D E F F E D C B A

           A B C D E E D C B A

             A B C D D C B A

               A B C C B A

                 A B B A

                   A A


solution



1

10

101

1010

10101




Solution




5432*

543*1

54*21

5*321

*4321


solution


 


Programs on Functions


·                     Write a C program to find cube of any number using function.


·                     Write a C program to find diameter, circumference and area of circle using functions.


·                     Write a C program to find maximum and minimum between two numbers using functions.


·                     Write a C program to check whether a number is even or odd using functions.


·                     Write a C program to check whether a number is prime, Armstrong or perfect number using functions.


·                     Write a C program to find all prime numbers between given interval using functions.


·                     Write a C program to print all strong numbers between given interval using functions.


·                     Write a C program to print all Armstrong numbers between given interval using functions.


·                     Write a C program to print all perfect numbers between given interval using functions.


 


Programs on recursion


·                     Write a C program to find power of any number using recursion.


·                     Write a C program to print all natural numbers between 1 to n using recursion.


·                     Write a C program to print all even or odd numbers in given range using recursion.


·                     Write a C program to find sum of all even or odd numbers in given range using recursion.Write a C program to find sum of all natural numbers between 1 to n using recursion.


·                     Write a C program to find reverse of any number using recursion.


·                     Write a C program to check whether a number is palindrome or not using recursion.


·                     Write a C program to find sum of digits of a given number using recursion.


·                     Write a C program to find factorial of any number using recursion.


·                     Write a C program to generate nth Fibonacci term using recursion.


·                     Write a C program to find GCD (HCF) of two numbers using recursion.


·                     Write a C program to find LCM of two numbers using recursion.


·                     Write a C program to display all array elements using recursion.


·                     Write a C program to find sum of elements of array using recursion.


·                     Write a C program to find maximum and minimum elements in array using recursion


 


Programs on arrays


1.      Program to find sum of array elements.


2.      Program to insert an element at given position in array.


3.      Program to delete an element from an array at specified position.


4.      Program to reverse of array elements.


5.      Program to remove duplicates in array.


6.      Program to move first element to last in array.


7.      Program to count the frequency of each element of an array.


8.      Program to sort the elements in array.


9.      Program to find second smallest and second largest numbers from array.


10.   Program for left rotate of array.


11.   Program for right rotate of array.


12.   Program to find duplicate element in k-distance. If found print "YES" otherwise "NO".


13.   Program that calculate the fractions of its elements that are positive, negative and zeros.


 


Programs on matrix


·                     Write a C program to add two matrices.


·                     Write a C program to subtract two matrices.


·                     Write a C program to perform Scalar matrix multiplication.


·                     Write a C program to multiply two matrices.


·                     Write a C program to check whether two matrices are equal or not.


·                     Write a C program to find sum of main diagonal elements of a matrix.


·                     Write a C program to find sum of minor diagonal elements of a matrix.


·                     Write a C program to find sum of each row and column of a matrix.


·                     Write a C program to interchange diagonals of a matrix.


·                     Write a C program to find upper triangular matrix.


·                     Write a C program to find lower triangular matrix.


·                     Write a C program to find sum of upper triangular matrix.


·                     Write a C program to find sum of lower triangular matrix.


·                     Write a C program to find transpose of a matrix.


·                     Write a C program to find transpose of a matrix.


·                     Write a C program to find determinant of a matrix.


·                     Write a C program to check Identity matrix.


·                     Write a C program to check Sparse matrix.


·                     Write a C program to check Symmetric matrix.


Programs on strings


·                     Write a C program to find length of a string.


·                     Write a C program to copy one string to another string.


·                     Write a C program to concatenate two strings.


·                     Write a C program to compare two strings.


·                     Write a C program to convert lowercase string to uppercase.


·                     Write a C program to convert uppercase string to lowercase.


·                     Write a C program to toggle case of each character of a string.


·                     Write a C program to find total number of alphabets, digits or special character in a string.


·                     Write a C program to count total number of vowels and consonants in a string.


·                     Write a C program to count total number of words in a string.


·                     Write a C program to find reverse of a string.


·                     Write a C program to check whether a string is palindrome or not.


·                     Write a C program to reverse order of words in a given string.


·                     Write a C program to find first occurrence of a character in a given string.


·                     Write a C program to find last occurrence of a character in a given string.


·                     Write a C program to search all occurrences of a character in given string.


·                     Write a C program to count occurrences of a character in given string.


·                     Write a C program to find highest frequency character in a string.


·                     Write a C program to find lowest frequency character in a string.


·                     Write a C program to count frequency of each character in a string.


·                     Write a C program to remove first occurrence of a character from string.


·                     Write a C program to remove last occurrence of a character from string.


·                     Write a C program to remove all occurrences of a character from string.


·                     Write a C program to remove all repeated characters from a given string.


·                     Write a C program to replace first occurrence of a character with another in a string.


·                     Write a C program to replace last occurrence of a character with another in a string.


·                     Write a C program to replace all occurrences of a character with another in a string.


·                     Write a C program to find first occurrence of a word in a given string.


·                     Write a C program to find last occurrence of a word in a given string.


·                     Write a C program to search all occurrences of a word in given string.


·                     Write a C program to count occurrences of a word in a given string.


·                     Write a C program to remove first occurrence of a word from string.


·                     Write a C program to remove last occurrence of a word in given string.


·                     Write a C program to remove all occurrence of a word in given string.


·                     Write a C program to trim leading white space characters from given string.


·                     Write a C program to trim trailing white space characters from given string.


·                     Write a C program to trim both leading and trailing white space characters from given string.


·                     Write a C program to remove all extra blank spaces from given string.


 


Programs on Pointers


·                     Write a C program to create, initialize and use pointers.


·                     Write a C program to add two numbers using pointers.


·                     Write a C program to swap two numbers using pointers.


·                     Write a C program to input and print array elements using pointer.


·                     Write a C program to copy one array to another using pointers.


·                     Write a C program to swap two arrays using pointers.


·                     Write a C program to reverse an array using pointers.


·                     Write a C program to search an element in array using pointers.


·                     Write a C program to access two dimensional array using pointers.


·                     Write a C program to add two matrix using pointers.


·                     Write a C program to multiply two matrix using pointers.


·                     Write a C program to find length of string using pointers.


·                     Write a C program to copy one string to another using pointers.


·                     Write a C program to concatenate two strings using pointers.


·                     Write a C program to compare two strings using pointers.


·                     Write a C program to find reverse of a string using pointers.


·                     Write a C program to sort array using pointers.


·                     Write a C program to return multiple value from function using pointers.