Example: Find Transpose of a Matrix in C++ language using Array

// Find Transpose of a Matrix in C++ language using Array
#include <iostream>
using namespace std;

int main() {
    int r, c, i, j;
    // r - denotes the matrix's rows
    // c - dentes the matrix's columns

    cout << "-----Enter the number of rows & columns of the matrix-----\n";
    cin >> r >> c;

    int a[r][c], t[c][r];
    // a - denotes the input matrix
    // t - denotes the transpose matrix

    cout << "\n-----Enter the matrix's elements-----\n";
    for (i = 0; i < r; ++i) {
        for (j = 0; j < c; ++j) {
            cout << "Enter element at position[" << i + 1 << j + 1 << "]: ";
            cin >> a[i][j];
        }
        cout << "\n";
    }

    // It will display the input matrix
    cout << "\n-----The entered matrix-----\n";
    for (i = 0; i < r; ++i) {
        cout << "\t";
        for (j = 0; j < c; ++j) {
            cout << a[i][j] << "\t";
            if (j == c - 1)
                cout << "\n";
        }
        cout << "\n";
    }

    // It will transposes matrix
    for (i = 0; i < r; ++i) {
        for (j = 0; j < c; ++j) {
            t[j][i] = a[i][j];
        }
    }

    // It will display the transposed matrix
    cout << "\n-----The transpose of the matrix-----\n";
    for (i = 0; i < c; ++i) {
        cout << "\t";
        for (j = 0; j < r; ++j) {
            cout << t[i][j] << "\t";
            if (j == r - 1)
                cout << "\n";
        }
        cout << "\n";
    }
    return 0;
}