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https://github.com/dreyyan/cipher-midterms-programming-cpp

[ CIPHER R&D Committee · C++ Midterms Programming Materials & Practice Problems ]
https://github.com/dreyyan/cipher-midterms-programming-cpp

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[ CIPHER R&D Committee · C++ Midterms Programming Materials & Practice Problems ]

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README 

          
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# 📘 C++ Midterms Programming - 1st Semester  



## 📌 Overview  

A collection of **C++ topic materials and practice problems** designed to reinforce concepts  

ranging from **basic syntax to data structures**.  

This repository was prepared by the **Research and Development Committee of CIPHER**  

to serve as a resource for **midterm preparation**.  



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## 🎯 Objectives  

- Reinforce understanding of **C++ fundamentals and syntax**  

- Provide **progressive practice problems** to build problem-solving skills  

- Support WVSU-CICT 1st year students in preparing for **midterms and beyond**  



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## 📚 Topics Covered  

- **Basic Syntax & Fundamentals** → Variables, operators, conditionals, loops  

- **Data Structures** → Strings only

- **Applied Practice** → Midterm-focused problems and challenges  



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## 📋 Details  

- **Prepared by:** CIPHER · Research & Development Committee  

- **Purpose:** Midterms preparation & practice reinforcement  

- **Focus Language:** C++  



---



## 📑 Table of Contents  



Click any filename below to open the example code.  

You can view it directly here on GitHub without downloading anything.  



---



### 🟢 Basics (Start Here)  

- [helloWorld.cpp](1-Basics/01-helloWorld.cpp) – Your very first C++ program  

- [comments.cpp](1-Basics/02-comments.cpp) – How to write notes inside your code  

- [dataTypes.cpp](1-Basics/03-dataTypes.cpp) – Different kinds of values (int, float, char, etc.)  

- [variables.cpp](1-Basics/04-variables.cpp) – Storing values in memory  

- [arithmeticOperations.cpp](1-Basics/05-arithmeticOperations.cpp) – Adding, subtracting, multiplying, dividing  

- [escapeSequences.cpp](1-Basics/06-escapeSequences.cpp) – Special characters like `\n` (new line)  

- [output.cpp](1-Basics/07-output.cpp) – Different ways to print text (cout, variables, printf)  

- [outputFormatting.cpp](1-Basics/08-outputFormatting.cpp) – Making your program’s output look neat  



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### 🟡 Control Flow  

- [if.cpp](2-Control-Flow/01-if.cpp) – Making simple decisions  

- [switch.cpp](2-Control-Flow/02-switch.cpp) – Choosing between many options  

- [forLoop.cpp](2-Control-Flow/03-forLoop.cpp) – Repeating code a set number of times  

- [whileLoop.cpp](2-Control-Flow/04-whileLoop.cpp) – Repeating code while a condition is true  

- [doWhileLoop.cpp](2-Control-Flow/05-doWhileLoop.cpp) – Repeating code at least once  



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### 🟠 Functions  

- [functions.cpp](3-Functions/01-functions.cpp) – Breaking code into reusable pieces  



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### 🔵 Data Structures  

- [strings.cpp](4-Data-Structures/01-strings.cpp) – Working with text in C++  

- [arrays.cpp](4-Data-Structures/02-arrays.cpp) – Storing many values together in one variable  



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## 🧩 Think You’re Ready? (Practice Problems)



Try solving these small challenges using what you’ve learned so far.  

Click any file to see the problem description or solution.  



- [01-helloWorldMod.cpp](Practice-Problems/01-helloWorldMod.cpp) – Ask the user for their name and print a hello world message  

- [02-commentsPractice.cpp](Practice-Problems/02-commentsPractice.cpp) – Add comments to a program that prints a message  

- [03-dataTypesExplore.cpp](Practice-Problems/03-dataTypesExplore.cpp) – Work with different data types (int, float, etc.)  

- [04-variableSwap.cpp](Practice-Problems/04-variableSwap.cpp) – Swap the values of two variables  

- [05-arithmeticCalc.cpp](Practice-Problems/05-arithmeticCalc.cpp) – Perform basic arithmetic operations on two numbers  

- [06-escapeSequencePractice.cpp](Practice-Problems/06-escapeSequencePractice.cpp) – Use escape sequences to format output  

- [07-formattedOutput.cpp](Practice-Problems/07-formattedOutput.cpp) – Format output neatly with variables  

- [08-gradeChecker.cpp](Practice-Problems/08-gradeChecker.cpp) – Determine a letter grade from a score  

- [09-dayOfWeek.cpp](Practice-Problems/09-dayOfWeek.cpp) – Print the day of the week using a switch statement  

- [10-countEvenNumbers.cpp](Practice-Problems/10-countEvenNumbers.cpp) – Print even numbers using a loop  

- [11-sumUntilZero.cpp](Practice-Problems/11-sumUntilZero.cpp) – Sum numbers until zero is entered  

- [12-guessNumber.cpp](Practice-Problems/12-guessNumber.cpp) – Create a simple number guessing game  

- [13-rectangleArea.cpp](Practice-Problems/13-rectangleArea.cpp) – Calculate the area of a rectangle using a function  

- [14-maxOfThree.cpp](Practice-Problems/14-maxOfThree.cpp) – Find the largest of three numbers using a function  

- [15-stringReverse.cpp](Practice-Problems/15-stringReverse.cpp) – Reverse a string using a loop  

- [16-arraySum.cpp](Practice-Problems/16-arraySum.cpp) – Sum the elements of an array  

- [17-arrayMinMax.cpp](Practice-Problems/17-arrayMinMax.cpp) – Find the smallest and largest values in an array  

- [18-PrimeNumberCheck.cpp](Practice-Problems/18-PrimeNumberCheck.cpp) – Check if a number is prime using loops  

- [19-PalindromeString.cpp](Practice-Problems/19-PalindromeString.cpp) – Check if a string is a palindrome  

- [20-FibonacciSequence.cpp](Practice-Problems/20-FibonacciSequence.cpp) – Generate Fibonacci numbers up to a limit  

- [21-GCDCalculator.cpp](Practice-Problems/21-GCDCalculator.cpp) – Find the GCD of two numbers using a loop  

- [22-NumberPattern.cpp](Practice-Problems/22-NumberPattern.cpp) – Print a number pattern using nested loops  

- [23-StringVowelCount.cpp](Practice-Problems/23-StringVowelCount.cpp) – Count vowels in a string  

- [24-AveragePositiveNumbers.cpp](Practice-Problems/24-AveragePositiveNumbers.cpp) – Calculate average of positive numbers  

- [25-MultiplesInRange.cpp](Practice-Problems/25-MultiplesInRange.cpp) – Print multiples of a number in a range  

- [26-ReverseArray.cpp](Practice-Problems/26-ReverseArray.cpp) – Reverse an array in-place  

- [27-DigitSum.cpp](Practice-Problems/27-DigitSum.cpp) – Sum the digits of a number  

- [28-TriangleValidator.cpp](Practice-Problems/28-TriangleValidator.cpp) – Check if three sides form a valid triangle  

- [29-CountOccurrences.cpp](Practice-Problems/29-CountOccurrences.cpp) – Count occurrences of a character in a string  

- [30-FactorialRange.cpp](Practice-Problems/30-FactorialRange.cpp) – Print factorials within a range  

- [31-PerfectNumber.cpp](Practice-Problems/31-PerfectNumber.cpp) – Check if a number is perfect  

- [32-StringCaseToggle.cpp](Practice-Problems/32-StringCaseToggle.cpp) – Toggle case of characters in a string  

- [33-ArrayRotation.cpp](Practice-Problems/33-ArrayRotation.cpp) – Rotate an array by k positions  

- [34-PrimeFactors.cpp](Practice-Problems/34-PrimeFactors.cpp) – Find prime factors of a number  

- [35-BinaryConverter.cpp](Practice-Problems/35-BinaryConverter.cpp) – Convert a number to binary  

- [36-MatrixDiagonalSum.cpp](Practice-Problems/36-MatrixDiagonalSum.cpp) – Sum the diagonals of a square matrix  

- [37-LongestWord.cpp](Practice-Problems/37-LongestWord.cpp) – Find the longest word in a sentence  



✉️ **Want your code checked or reviewed?**  

Feel free to reach out to **CIPHER's Research & Development Head** on **Messenger**!  

👉 [Facebook](https://www.facebook.com/baka.drey.yan): *Adrian Dominic Tan*  



Happy coding! 🚀  



> "The only way to learn a new programming language is by writing programs in it."  

> — Dennis Ritchie