C++: تمرين: الدوال الشامل

#include <iostream>
#include <cmath>

// تصاريح الدوال
int add(int a, int b);
int subtract(int a, int b);
int multiply(int a, int b);
double divide(int a, int b);
int power(int base, int exp);
bool isPrime(int n);

int main() {
	int x = 10, y = 3;
	
	std::cout << "x + y = " << add(x, y) << std::endl;
	std::cout << "x - y = " << subtract(x, y) << std::endl;
	std::cout << "x * y = " << multiply(x, y) << std::endl;
	std::cout << "x / y = " << divide(x, y) << std::endl;
	std::cout << "x ^ y = " << power(x, y) << std::endl;
	std::cout << "Is x prime? " << (isPrime(x) ? "Yes" : "No") << std::endl;
	
	return 0;
}

// تعريفات الدوال
int add(int a, int b) {
	return a + b;
}

int subtract(int a, int b) {
	return a - b;
}

int multiply(int a, int b) {
	return a * b;
}

double divide(int a, int b) {
	if (b == 0) {
		return 0.0;
	}
	return static_cast<double>(a) / b;
}

int power(int base, int exp) {
	if (exp < 0) {
		return 0; // مبسط: الأسس السالبة غير مدعومة
	}
	int result = 1;
	for (int i = 0; i < exp; i++) {
		result *= base;
	}
	return result;
}

bool isPrime(int n) {
	if (n <= 1) {
		return false;
	}
	for (int i = 2; i * i <= n; i++) {
		if (n % i == 0) {
			return false;
		}
	}
	return true;
}

x + y = 
x - y = 
x * y = 
x / y = 
x ^ y = 
Is x prime? YesNo

x + y = 13
x - y = 7
x * y = 30
x / y = 3.33333
x ^ y = 1000
Is x prime? No

#include <iostream>
#include <cstdlib>
#include <ctime>

// تصاريح الدوال
void printWelcome();
int getSecretNumber();
int getGuess();
void printResult(int guess, int secretNumber);
void playGame();

int main() {
	std::srand(static_cast<unsigned int>(std::time(nullptr)));
	
	char playAgain;
	do {
		playGame();
		std::cout << "Want to play again? (y/n): ";
		std::cin >> playAgain;
	} while (playAgain == 'y' || playAgain == 'Y');
	
	std::cout << "Thanks for playing, goodbye!" << std::endl;
	return 0;
}

// تعريفات الدوال
void printWelcome() {
	std::cout << "=========== Number Guessing Game ===========" << std::endl;
	std::cout << "I'm thinking of a number from 1-100, guess it!" << std::endl << std::endl;
}

int getSecretNumber() {
	return std::rand() % 100 + 1;
}

int getGuess() {
	int guess;
	std::cout << "Enter your guess: ";
	std::cin >> guess;
	return guess;
}

void printResult(int guess, int secretNumber) {
	if (guess > secretNumber) {
		std::cout << "Too high! Try again." << std::endl;
	} else if (guess < secretNumber) {
		std::cout << "Too low! Try again." << std::endl;
	} else {
		std::cout << "🎉 Congratulations! You got it!" << std::endl;
	}
}

void playGame() {
	printWelcome();
	int secretNumber = getSecretNumber();
	int guess;
	int attempts = 0;
	
	do {
		guess = getGuess();
		attempts++;
		printResult(guess, secretNumber);
	} while (guess != secretNumber);
	
	std::cout << "You guessed " << attempts << " times." << std::endl << std::endl;
}

Want to play again? (y/n):
Thanks for playing, goodbye!
=========== Number Guessing Game ===========
I'm thinking of a number from 1-100, guess it!
Enter your guess:
Too high! Try again.
Too low! Try again.
🎉 Congratulations! You got it!
You guessed  times.

#include <iostream>
#include <iomanip>

// تصاريح الدوال (محمّلة زائدًا)
int calculate(int a, int b, char op);
double calculate(double a, double b, char op);

int main() {
	int intResult = calculate(10, 3, '+');
	double doubleResult = calculate(10.0, 3.0, '/');
	
	std::cout << "10 + 3 = " << intResult << std::endl;
	std::cout << std::fixed << std::setprecision(2);
	std::cout << "10.0 / 3.0 = " << doubleResult << std::endl;
	
	return 0;
}

// تعريفات الدوال (محمّلة زائدًا)
int calculate(int a, int b, char op) {
	switch (op) {
	case '+': return a + b;
	case '-': return a - b;
	case '*': return a * b;
	case '/': return a / b; // قسمة أعداد صحيحة
	default: return 0;
	}
}

double calculate(double a, double b, char op) {
	switch (op) {
	case '+': return a + b;
	case '-': return a - b;
	case '*': return a * b;
	case '/': return b != 0 ? a / b : 0.0;
	default: return 0.0;
	}
}

10 + 3 = 
10.0 / 3.0 = 

#include <iostream>
#include <string>

// تصاريح الدوال
void printMenu();
void addStudent(std::string names[], int scores[], int& count);
void printStudents(const std::string names[], const int scores[], int count);
double calculateAverage(const int scores[], int count);
int findMaxScore(const int scores[], int count);

int main() {
	const int MAX_STUDENTS = 100;
	std::string names[MAX_STUDENTS];
	int scores[MAX_STUDENTS];
	int count = 0;
	
	int choice;
	do {
		printMenu();
		std::cout << "Choose (1-4): ";
		std::cin >> choice;
		
		if (choice == 1) {
			addStudent(names, scores, count);
		} else if (choice == 2) {
			printStudents(names, scores, count);
		} else if (choice == 3) {
			if (count == 0) {
				std::cout << "No student data!" << std::endl;
			} else {
				std::cout << "Average: " << calculateAverage(scores, count) << std::endl;
				std::cout << "Highest score: " << findMaxScore(scores, count) << std::endl;
			}
		} else if (choice == 4) {
			std::cout << "Goodbye!" << std::endl;
		} else {
			std::cout << "Error: Please enter a number between 1-4!" << std::endl;
		}
		
		std::cout << std::endl;
		
	} while (choice != 4);
	
	return 0;
}

// تعريفات الدوال
void printMenu() {
	std::cout << "=========== Student Grade Management ===========" << std::endl;
	std::cout << "1. Add student" << std::endl;
	std::cout << "2. Show all students" << std::endl;
	std::cout << "3. Statistics" << std::endl;
	std::cout << "4. Exit" << std::endl;
}

void addStudent(std::string names[], int scores[], int& count) {
	if (count >= 100) {
		std::cout << "Maximum number of students reached!" << std::endl;
		return;
	}
	
	std::cout << "Enter name: ";
	std::cin.ignore();
	std::getline(std::cin, names[count]);
	
	std::cout << "Enter score: ";
	std::cin >> scores[count];
	
	count++;
	std::cout << "Added successfully!" << std::endl;
}

void printStudents(const std::string names[], const int scores[], int count) {
	if (count == 0) {
		std::cout << "No student data!" << std::endl;
		return;
	}
	
	std::cout << "=========== Student List ==========" << std::endl;
	for (int i = 0; i < count; i++) {
		std::cout << i + 1 << ". " << names[i] << " - " << scores[i] << std::endl;
	}
}

double calculateAverage(const int scores[], int count) {
	if (count == 0) {
		return 0.0;
	}
	
	int sum = 0;
	for (int i = 0; i < count; i++) {
		sum += scores[i];
	}
	
	return static_cast<double>(sum) / count;
}

int findMaxScore(const int scores[], int count) {
	if (count == 0) {
		return 0;
	}
	
	int maxScore = scores[0];
	for (int i = 1; i < count; i++) {
		if (scores[i] > maxScore) {
			maxScore = scores[i];
		}
	}
	
	return maxScore;
}

Choose (1-4):
No student data!
Average:
Highest score:
Goodbye!
Error: Please enter a number between 1-4!
=========== Student Grade Management ===========
1. Add student
2. Show all students
3. Statistics
4. Exit
Maximum number of students reached!
Enter name:
Enter score:
Added successfully!
No student data!
=========== Student List ==========
.  -