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All LessonsFree Lessons (2)

Getting Started

Who Should take this Course and Why?Lesson Structure

Basic Control Flow

Introduction Example 1: Round Off to Another Integer's Multiple Example 2: Conversion from Cartesian to Polar Coordinates Example 3: Swap Two Variables Example 4: Weight Conversions Example 5: Calculate the Dimensions of a Paper Given the Size Example 6: Solve the Denomination Problem Example 7: Distance Between the Two Points

Decision Making

Introduction Example 8: Find the Greatest Number Example 9: Determine the Character Type Example 10: Solve the Quadratic Equation Example 11: Check if a Given Year Is a Leap Year Example 12: Find the Position of a Point Example 13: Determine the Type of a Triangle Example 14: Determine the Collinear Points Example 15: Find the Position of a Point on the Plane Example 16: Determine the Weight Class of a Boxer Example 17: Display Zodiac Sign Example 18: Calculate Utility Bill Example 19: RGB to CMYK Color Conversion

Loops

Example 20: Wolf and Rabbit Population

Example 21: Combination of Numbers

Example 22: Four-Digit Perfect Square

Example 23: Prime Numbers

Example 24: Base Conversion

Example 25: Natural Logarithm Series

Example 26: Generate Pythagorean Triple

Example 27: Evaluate Exponential Series

Example 28: Factorial of a Number

Example 29: Ramanujan Number Series

Example 30: Armstrong Numbers

Example 31: Number Pattern

Example 32: Fibonacci Series

Example 33: Calculate Interest

Example 34: Day Clock

Functions

Introduction Example 35: Integer to Roman Conversion Example 36: Find LCM and GCD Example 37: Determine the Position of a Point Example 38: Calculate Power Example 39: Prime Factors Example 40: Pascal's Triangle

Pointers

Introduction Example 41: Arithmetic Operations Example 42: Area and Perimeter of a Triangle Example 43: Calculate Sum, Average, and Standard Deviation Example 44: Area of a Triangle

Recursion

Introduction Example 45: Sum of the First n Natural Numbers Example 46: Tower of Hanoi Example 47: Prime Factors of a Number Example 48: The Sum of the Digits of a Number Example 49: Calculate a Factorial Example 50: Paper Sizes Example 51: The Fibonacci Sequence Example 52: Decimal to Binary Conversion

Preprocessor

Introduction Example 53: Write Macro Definitions Example 54: Area and Perimeter Example 55: Arithmetic Operation Example 56: Calculate Interest Example 57: Angle Conversion

Arrays

Introduction Example 58: Mean, Median, and Mode Example 59: Implementation of a Stack of Integers Example 60: Frequency of Positive, Negative, and Zero Example 61: Quicksort Example 62: Linear Search Example 63: Binary Search Example 64: Compare Arrays Example 65: Rotate an Array Example 66: Reverse an Array Example 67: Decimal to Binary Conversion Example 68: Sieve of Eratosthenes

Multi-Dimensional Arrays

Introduction Example 69: Transpose a Matrix Example 70: Addition of Matrices Example 71: Product of Matrices Example 72: Access 2-D Array Elements in a Spiral Example 73: Largest Square Submatrix with All 1s

Strings

Introduction Example 74: Common String Functions Implementation Example 75: Extract a Substring Example 76: Count Vowels, Consonants, and Words Example 77: Delete Vowels Example 78: Reverse a String Example 79: Fibonacci Words Example 80: Verify a Credit Card Number Example 81: Verify an ISBN Number Example 82: Display a Calendar Example 83: Sorting Names Example 84: Generate a Combination of Characters Example 85: Expanded Digit Printing Example 86: Conversion from Number to Words

Structures

Introduction Example 87: Sort Dates Example 88: Implementation of a Linked List Example 89: Implementation of a Stack as a Linked List Example 90: Implementation of Queues as a Linked List Example 91: Cricket Scores

File IO

Introduction Example 92: Reading from the File Example 93: Sort Records in a File Example 94: Encryption and Decryption of a File Example 95: File Copying

Bitwise Operators

Introduction Example 96: Print Binary Value Example 97: Pack Information in Bits

Miscellaneous Features

Example 98: Function Pointers Example 99: Function with a Variable Number of Arguments Example 100: Sort Dates Using Bit Fields Example 101: Store Information Using Bit Fields

The Final Note

C Programming for Experienced Engineers/

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Example 30: Armstrong Numbers

Example 30: Armstrong Numbers

Learn how to print Armstrong numbers.

We'll cover the following...

- Solution
- Explanation

Problem

If the sum of cubes of each digit of the number is equal to the number itself, the number is called an Armstrong number. For instance,

153 = ( 1 * 1 * 1 ) + ( ...