#include #include // for std::size int main() { std::cout << "C-Style Arrays Practice:\n"; // Declaring and Initializing: std::cout << "\nDeclaring and initializing:\n"; // TODO: Create a C-style array with explicit length of 5, // initialized with values 10, 20, 30, 40, 50 // int explicit_arr[5]{10, 20, 30, 40, 50}; // TODO: Print all elements // std::cout << "Explicit length: "; // for (std::size_t i{0}; i < 5; ++i) // std::cout << explicit_arr[i] << ' '; // std::cout << '\n'; // TODO: Create a C-style array with omitted length, // initialized with values 2, 4, 6, 8 (compiler deduces length) // int deduced_arr[]{2, 4, 6, 8}; // TODO: Print all elements using std::size() to get length // std::cout << "Omitted length: "; // for (std::size_t i{0}; i < std::size(deduced_arr); ++i) // std::cout << deduced_arr[i] << ' '; // std::cout << '\n'; // TODO: Create a C-style array of 3 ints, value-initialized (all zeros) // int zeros[3]{}; // TODO: Print all elements // std::cout << "Value initialized: "; // for (std::size_t i{0}; i < std::size(zeros); ++i) // std::cout << zeros[i] << ' '; // std::cout << '\n'; // Accessing Elements: std::cout << "\nAccessing elements:\n"; // TODO: Create an array with values 100, 200, 300, 400, 500 // int values[]{100, 200, 300, 400, 500}; // TODO: Print first element // std::cout << "First: " << values[0] << '\n'; // TODO: Print last element (use std::size - 1) // std::cout << "Last: " << values[std::size(values) - 1] << '\n'; // TODO: Print middle element (index 2) // std::cout << "Middle: " << values[2] << '\n'; // Modifying Elements: std::cout << "\nModifying elements:\n"; // TODO: Create an array with values 10, 20, 30 // int mutable_arr[]{10, 20, 30}; // TODO: Print first element, modify it to 99, then print again // std::cout << "Before: " << mutable_arr[0] << '\n'; // mutable_arr[0] = 99; // std::cout << "After: " << mutable_arr[0] << '\n'; // Array Length: std::cout << "\nArray length:\n"; // TODO: Create an array of prime numbers: 2, 3, 5, 7, 11 // int primes[]{2, 3, 5, 7, 11}; // TODO: Print the length using std::size() // std::cout << "Primes has " << std::size(primes) << " elements\n"; // TODO: Create an array of 7 elements with explicit length // int data[7]{1, 2, 3, 4, 5, 6, 7}; // TODO: Print the length // std::cout << "Data has " << std::size(data) << " elements\n"; // Const Array: std::cout << "\nConst array:\n"; // TODO: Create a const array of Fibonacci numbers: 0, 1, 1, 2, 3, 5, 8, 13 // const int fibonacci[]{0, 1, 1, 2, 3, 5, 8, 13}; // TODO: Print all Fibonacci numbers // std::cout << "Fibonacci: "; // for (std::size_t i{0}; i < std::size(fibonacci); ++i) // std::cout << fibonacci[i] << ' '; // std::cout << '\n'; return 0; }

Working with C-Style Arrays

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