Write a complete C program to convert a given temperature in Centigrade scale to its equivalent Fahrenheit scale.

Write a function to swap the value of 2 variables without using any additional variable. The change should be permanent.

Write a program to check a number whether it is odd or even by the bitwise operator.

Write a C program to print the following pattern(till n rows, where n is taken as input).

        1
      0  1
    0 1  0
 1  0  1  0
1 0 1  0  1

Write a C program to accept three integer numbers as the length of three sides of a triangle, test the validity of lengths, and classify the triangle.

Write a program to generates all combinations of 1,2 and 3 using for loop.

Write a program in C to find the roots of a quadratic equation. Your program should print the imaginary roots in the form a+ib.

Write a program to print a Pattern.               

1
0 1
1 0 1
0 1 0 1
1 0 1 0 1

Write a program to find the sum of the digits of a number.

Write a program to check a number is palindrome or not. 

Write a C program to print the Pattern.

          1
       1 0  1
    1 0 1 0 1  
 1 0 1 0 1 0 1

Write a program to accept a number and find the sum of its individual digits repeatedly till the result is a single digit.

Write a program to compute 

e= 1+ 1/1! + 1/2! + 1/3! ….1/n! with accuracy of 0.001%.

Write a program to print the sum of three digits prime numbers.

Write a C program to check a number is prime or not.

Write a program to print the  following pattern (Number of lines should be given as input by the users).

Write a C program to check a number is prime or not.

Write a program which take an integer as input and print the digits of an integer in words, after storing in a character array. [ if input : 2403 , output : Two Four Zero Three]

Write a C program to count the frequency of each vowel from a user-supplied string.

The equation x²+y²=r² represent a circle which centers at origin and radius is r. Write a program that read r from the keyboard and print the number of points with integer co-ordinate that lie on the circumference of the circle.   

Write a program to print Pascal’s triangle.

Write a program to display the prime factors of an integer.(The number is input).

Write a program which will print the following pattern(no of the line is input).

Write a C program to print the prime numbers between 1 to 100.

Write a C program that will search the kth element in a list of n integers.

Write C program to solve: xsin(x)

Write C programs to solve : x³=249

Write a program to find the value of sin(x) , x=0,15,30,…,345,360 with an accuracy of 10^-4 avoiding use of abs function.

Write a program to convert decimal numbers in the range 1 to 9999 in to Roman numerals where , I=1,V=5, X=10, L=50,C=100,D=500,M=1000 and assuming L=5000.

Write a C program to find Greatest Common Divisor(GCD) for n number.

Write a  recursive function to print the content of an array on reverse order, Write the main() function to call that recursive function. 

Write a program to print Fibonacci series using recursive.

Write a c-program to convert binary number to equivalent decimal number.

Write a program to check a number is special or not. (Special is a number which is  equal to the sum of factorial of each digit of the given number).

Write a C-program to implement the Tower of Hanoi problem using recursion.

Write two C programs that calculates factorial of a number using recursion and iteration.

Write a function to sort the characters of the string passed to it as argument.

Write a program in C which prints the smallest divisor of an integer , for example smallest divisor of 77 is 7.

Write a C program to find the average of n numbers.

Write a program to create an array of n elements and then print maximum and minimum elements from that array.

Write a C program which will take input in a 2D array and then take one integer as input and search it is available or not, if it is available display the row and column of the integer.

Write a program to find the transpose of a matrix.

Write a program to insert an element (given by the user) into an array in a particular position(given by the user).

 Write a recursive C program to multiply two 3×3 matrices.

Write a C-program to implement binary searching.