# C Programming Code Examples

## C > Arrays and Matrices Code Examples

### program to input and print elements in array

C Program Code Write a Sentence to a File -
Program stores a sentence entered by user in a file. After termination of this program, you can see a text file program.txt created in the same location where this program is located.

Find Frequency of Each Character in String -
C Program code to 'Count Frequency' of each character in a string Using Loop. There are so many algorithms to Count Frequency of each character. Here I'm explaining the easiest one

C++ Implements Fermat's Little Theorem -
Program demonstrates the implementation of Fermat's Little Theorem. For the modular "multiplicative inverse" to exist, the number and 'Modular' must be 'Coprime'. Calculates

Prints the Sum of all Odd Numbers in C++ -
The digit sum of a given integer is the sum of all its digits (digit sum of '84001' is calculated as 8+4+0+0+1 = 13). Odd number is an integer which is not a multiple of two. If it is "divided"

Sum of Natural numbers using While loop -
Find the sum of natural numbers using While Loop. When you use while loop, you have to initialize the loop counter variable before the Loop & Increment or Decrement it inside the

Program Code Implement Pigeonhole Sort -
Code implement pigeonhole sort. Pigeonhole sorting, also known as count sort, is a sorting algorithm that is suitable for 'Sorting Lists' of elements where the Number of Elements (n)

Checks a Character is Capital Letter or Not -
Takes input a Character and Check it whether a 'character' is capital letter, small letter, Digit or Special character. 'All characters' like small or capital letters, digits and special characters

Triangle is Valid or not if Angles are given -
C Program code to check whether a Triangle is valid or not if angles are given using if else. Input all three angles of triangle in a variable say angle1, angle2 and angle3. Find sum of...