C++程序打印矩阵的所有非边界元素

#include <bits/stdc++.h>
using namespace std;

void nonBoundaryElements(int rows, int cols, int matrix[5][6]) {
    // Check edge case
    if (rows < 3 || cols < 3) {
        cout << "No non-boundary elements exist in the matrix." << endl;
        return;
    }
    // Skip row elements
    for (int i = 1; i < rows - 1; i++) {
        // Skip column elements
        for (int j = 1; j < cols - 1; j++) {
            cout << matrix[i][j] << " ";
        }
        cout << endl;
    }
}

int main() {
    int rows = 5, cols = 6;
    int matrix[5][6] = {
        {1, 2, 3, 4, 5, 6},
        {7, 8, 9, 10, 11, 12},
        {13, 14, 15, 16, 17, 18},
        {19, 20, 21, 22, 23, 24},
        {25, 26, 27, 28, 29, 30}
    };

    // Print the non-boundary elements
    cout << "Non-boundary elements of the matrix are:" << endl;
    nonBoundaryElements(rows, cols, matrix);

    return 0;
}