首先，我们需要使您的代码可编译。您正在使用所谓的 VLA（可变长度数组），例如 int array[n][m];。 Rhese VLA 不是 C++ 语言的一部分，不会编译。我用std::vector 替换了它们，它的工作方式相同。然后我更正了代码标识（我还编辑了你的问题），然后就可以编译了。
然后它会像下面这样（但当然仍然不工作）
#include <iostream>
#include <vector>
int main() {
int n, m;
std::cout << "array size: n = ";
std::cin >> n;
std::cout << "array size: m = ";
std::cin >> m;
std::vector<std::vector<int>> array(n, std::vector<int>(m, 0));
std::vector<int> arrayS(n);
for (int z = 0; z < n; z++) {
for (int a = 0; a < m; a++) {
std::cin >> array[z][a];
}
}
for (int i = 0; i < n; i++) {
arrayS[i] = array[i][0];
}
for (int y = 0; y < n; y++) {
for (int i = 0; i < m; i++) {
std::cout << array[y][i] << " ";
}
std::cout << std::endl; //endline
}
std::cout << "************************************\n";
std::cout << "massivin sutunlari\n";
int enk = 0;
for (int i = 0; i < 9; i++)
for (int j = 0; j < 9; j++)
{
if (arrayS[j] > arrayS[j + 1])
{
enk = arrayS[j];
arrayS[j] = arrayS[j + 1];
arrayS[j + 1] = enk;
}
}
for (int i = 0; i < n; i++)
{
std::cout << arrayS[i] << " ";
}
}
一些基本提示。请使用“说话”的变量名称并编写许多 cmets，最好是每行代码一个多于一个注释。那么你自己就已经看到了问题。
您的代码中存在一些很可能会使您的程序崩溃的严重错误。在你排序的地方，你使用幻数 9（无论出于何种原因），因此超出了定义数组的范围。
此外，您对冒泡排序的实现是错误的。你可以在网上查很多很多例子。
然后，您只对一列进行排序。您需要为矩阵的每一列实现冒泡排序。
下一步我将使用更好的变量名并编写 cmets。该代码仍然无法正常工作。但是看到并理解其中的区别。
#include <iostream>
#include <vector>
int main() {
// Here we will define the dimensions for our matrix
int numberOfRows{}, numberOfColumns{};
// Inform user what to do. Enter number of rows of the matrix
std::cout << "\nPlease enter the number of rows: ";
// Read the number of rows from the user via std::cin
std::cin >> numberOfRows;
// Inform user what to do. Enter number of columns of the matrix
std::cout << "\nPlease enter the number of columns: ";
// Read the number of rows from the user via std::cin
std::cin >> numberOfColumns;
// Define the array for the complete 2d matrix
std::vector<std::vector<int>> array(numberOfRows, std::vector<int>(numberOfColumns, 0));
// We can store one column here
std::vector<int> arrayS(numberOfRows);
// Inform user what to do. Enter all data for the matrix
std::cout << "\nPlease enter all data for the matrix";
// Now read all data, for all rows and columns from the user, via std::cin
for (int row = 0; row < numberOfRows; ++row) {
for (int col = 0; col < numberOfColumns; ++col) {
std::cin >> array[row][col];
}
}
// Copy the first column in a separate array
for (int i = 0; i < numberOfRows; i++) {
arrayS[i] = array[i][0];
}
// Show current data in our matrix
std::cout << "\n\nThe matrix:\n\n";
for (int row = 0; row < numberOfRows; ++row) {
for (int col = 0; col < numberOfColumns; ++col) {
std::cout << array[row][col] << " ";
}
std::cout << '\n'; //endline
}
// SHow some status message
std::cout << "\n\n\n************************************\n";
std::cout << "Sorted first column\n";
// This is a temporary variable needed to swap 2 values
int tempValue = 0;
// Try to do bubble sort
for (int i = 0; i < 9; i++)
for (int j = 0; j < 9; j++)
{
if (arrayS[j] > arrayS[j + 1])
{
tempValue = arrayS[j];
arrayS[j] = arrayS[j + 1];
arrayS[j + 1] = tempValue;
}
}
// Show the result of the sorting
for (int i = 0; i < numberOfRows; i++)
{
std::cout << arrayS[i] << " ";
}
}
接下来，我们修复一列的排序。
只需要小改动：
#include <iostream>
#include <vector>
int main() {
// Here we will define the dimensions for our matrix
int numberOfRows{}, numberOfColumns{};
// Inform user what to do. Enter number of rows of the matrix
std::cout << "\nPlease enter the number of rows: ";
// Read the number of rows from the user via std::cin
std::cin >> numberOfRows;
// Inform user what to do. Enter number of columns of the matrix
std::cout << "\nPlease enter the number of columns: ";
// Read the number of rows from the user via std::cin
std::cin >> numberOfColumns;
// Define the array for the complete 2d matrix
std::vector<std::vector<int>> array(numberOfRows, std::vector<int>(numberOfColumns, 0));
// We can store one column here
std::vector<int> arrayS(numberOfRows);
// Inform user what to do. Enter all data for the matrix
std::cout << "\nPlease enter all data for the matrix\n";
// Now read all data, for all rows and columns from the user, via std::cin
for (int row = 0; row < numberOfRows; ++row) {
for (int col = 0; col < numberOfColumns; ++col) {
std::cin >> array[row][col];
}
}
// Copy the first column in a separate array
for (int i = 0; i < numberOfRows; i++) {
arrayS[i] = array[i][0];
}
// Show current data in our matrix
std::cout << "\n\nThe matrix:\n\n";
for (int row = 0; row < numberOfRows; ++row) {
for (int col = 0; col < numberOfColumns; ++col) {
std::cout << array[row][col] << " ";
}
std::cout << '\n'; //endline
}
// SHow some status message
std::cout << "\n\n\n************************************\n";
std::cout << "Sorted first column\n";
// This is a temporary variable needed to swap 2 values
int tempValue = 0;
// Try to do bubble sort
// Go over all entries-1 in the column array.
// And compare the current value with the next value
for (int i = 0; i < numberOfRows-1; i++)
for (int j = 0; j < numberOfRows - 1; j++)
{
// If this value is bigger than the following value, then swap them
if (arrayS[j] > arrayS[j + 1])
{
// Swap
tempValue = arrayS[j];
arrayS[j] = arrayS[j + 1];
arrayS[j + 1] = tempValue;
}
}
// Show the result of the sorting
for (int i = 0; i < numberOfRows; i++)
{
std::cout << arrayS[i] << " ";
}
}
这已经可以了。但是，我的猜测是所有列都应该排序。
然后，最后，它看起来像这样：
#include <iostream>
#include <vector>
int main() {
// Here we will define the dimensions for our matrix
int numberOfRows{}, numberOfColumns{};
// Inform user what to do. Enter number of rows of the matrix
std::cout << "\nPlease enter the number of rows: ";
// Read the number of rows from the user via std::cin
std::cin >> numberOfRows;
// Inform user what to do. Enter number of columns of the matrix
std::cout << "\nPlease enter the number of columns: ";
// Read the number of rows from the user via std::cin
std::cin >> numberOfColumns;
// Define the array for the complete 2d matrix
std::vector<std::vector<int>> array(numberOfRows, std::vector<int>(numberOfColumns, 0));
// Inform user what to do. Enter all data for the matrix
std::cout << "\nPlease enter all data for the matrix\n";
// Now read all data, for all rows and columns from the user, via std::cin
for (int row = 0; row < numberOfRows; ++row) {
for (int col = 0; col < numberOfColumns; ++col) {
std::cin >> array[row][col];
}
}
// Show current data in our matrix
std::cout << "\n\nThe matrix:\n\n";
for (int row = 0; row < numberOfRows; ++row) {
for (int col = 0; col < numberOfColumns; ++col) {
std::cout << array[row][col] << " ";
}
std::cout << '\n'; //endline
}
// SHow some status message
std::cout << "\n\n\n************************************\n";
std::cout << "Matrix with sorted column\n";
// This is a temporary variable needed to swap 2 values
int tempValue = 0;
// Try to do bubble sort
// Go over all entries-1 in the column array.
// And compare the current value with the next value
// Do for all columns
for (int col = 0; col < numberOfColumns; ++col)
for (int i = 0; i < numberOfRows-1; ++i)
for (int row = 0; row < numberOfRows - 1; ++row)
{
// If this value is bigger than the following value, then swap them
if (array[row][col] > array[row + 1][col])
{
// Swap
tempValue = array[row][col];
array[row][col] = array[row + 1][col];
array[row + 1][col] = tempValue;
}
}
// Show the result of the sorting
for (int row = 0; row < numberOfRows; ++row) {
for (int col = 0; col < numberOfColumns; ++col) {
std::cout << array[row][col] << " ";
}
std::cout << '\n'; //endline
}
}