C++ Array is the basic data structure that stores a collection of elements. It supports multiple types, including: Standard array: a classic linear data structure with elements of the same type and elements accessed through subscripts. Dynamic array: The length can be changed dynamically, using container management. Multidimensional array: Represents a multidimensional data structure, similar to a standard array, but with multiple dimensions. Smart Arrays: Provides additional features such as bounds checking.
Detailed explanation of C++ array types and their practical implementation
Introduction
Arrays are C++ The basic data structure used to store collections of elements. C++ supports multiple array types, each with its own unique uses and capabilities. This article will provide an in-depth analysis of C++ array types and demonstrate their usage through practical cases.
1. C++ array types
There are the following main array types in C++:
-
Standard array:
- Classic linear data structure
- Element types are the same
- Access elements through subscripts
- Syntax:
`
cpp
int arr[SIZE];
-
Dynamic array (vector):
- The length can be Dynamic changes
- Use container library management
- Syntax:
`
cpp
vectorvec;
-
##Multidimensional arrays:
- Can represent multidimensional data structures
- Similar to standard arrays, but with multiple dimensions
- Syntax:
- `
cpp
int arrROWS;
-
Smart array (array):
- C Introduced in ++11
- Modern version of standard arrays
- Providing extra features such as bounds checking
- Syntax:
- `
cpp
array arr;
2. Practical cases
Case 1: Using standard arrays to store scores
int main() { // 声明一个包含 5 个元素的标准数组 int scores[5] = {80, 90, 75, 85, 95}; // 输出每个元素 for (int i = 0; i < 5; i++) { cout << "Score " << i + 1 << ": " << scores[i] << endl; } return 0; }
Case 2: Use dynamic array to store student names
int main() { // 创建一个动态数组 vector<string> students; // 添加元素 students.push_back("John"); students.push_back("Mary"); students.push_back("Bob"); // 输出每个元素 for (int i = 0; i < students.size(); i++) { cout << "Student " << i + 1 << ": " << students[i] << endl; } return 0; }
Case 3: Use multi-dimensional array to store chessboard
int main() { // 声明一个 8x8 的多维数组 int chessboard[8][8]; // 初始化棋盘 for (int i = 0; i < 8; i++) { for (int j = 0; j < 8; j++) { chessboard[i][j] = 0; } } // 设置白色和黑色棋子 chessboard[0][0] = 1; chessboard[7][7] = -1; // 输出部分棋盘 for (int i = 0; i < 4; i++) { for (int j = 0; j < 4; j++) { cout << chessboard[i][j] << " "; } cout << endl; } return 0; }
3. Conclusion
C++ array is a powerful tool that provides a variety of types to meet different application needs. By understanding the characteristics and capabilities of each type, developers can create efficient and easy-to-maintain code.The above is the detailed content of What types of C++ arrays are there?. For more information, please follow other related articles on the PHP Chinese website!

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