transpose of a matrix in c

1#include <stdio.h>
2int main() {
3    int a[10][10], transpose[10][10], r, c, i, j;
4    printf("Enter rows and columns: ");
5    scanf("%d %d", &r, &c);
6
7    // Assigning elements to the matrix
8    printf("\nEnter matrix elements:\n");
9    for (i = 0; i < r; ++i)
10        for (j = 0; j < c; ++j) {
11            printf("Enter element a%d%d: ", i + 1, j + 1);
12            scanf("%d", &a[i][j]);
13        }
14
15    // Displaying the matrix a[][]
16    printf("\nEntered matrix: \n");
17    for (i = 0; i < r; ++i)
18        for (j = 0; j < c; ++j) {
19            printf("%d  ", a[i][j]);
20            if (j == c - 1)
21                printf("\n");
22        }
23
24    // Finding the transpose of matrix a
25    for (i = 0; i < r; ++i)
26        for (j = 0; j < c; ++j) {
27            transpose[j][i] = a[i][j];
28        }
29
30    // Displaying the transpose of matrix a
31    printf("\nTranspose of the matrix:\n");
32    for (i = 0; i < c; ++i)
33        for (j = 0; j < r; ++j) {
34            printf("%d  ", transpose[i][j]);
35            if (j == r - 1)
36                printf("\n");
37        }
38    return 0;
39}
40

1The transpose of a matrix is simply a flipped version of 
2the original matrix. We can transpose a matrix by switching 
3its rows with its columns. We denote the transpose of matrix 
4A by AT. For example, if A=[123456] then the transpose of A is 
5AT=[142536].

1#include <stdio.h>
2
3void main()
4{
5  int a[10][10], transpose[10][10], m, n;
6  printf("Enter rows and columns: ");
7  scanf("%d %d", &m, &n);
8
9
10  printf("\nEnter matrix elements:\n\n");
11  for (int i = 0; i < m; ++i)
12  {
13    for (int j = 0; j < n; ++j)
14    {
15        printf("Enter element a[%d%d]: ",i, j);
16        scanf("%d", &a[i][j]);
17    }
18
19  }
20
21
22  printf("\nEntered matrix: \n");
23
24  for (int i = 0; i < m; ++i)
25  {
26    for (int j = 0; j < n; ++j)
27    {
28        printf("%d  ", a[i][j]);
29        if (j == n - 1)
30        printf("\n");
31    }
32  }
33
34  for (int i = 0; i < m; ++i)
35  {
36       for (int j = 0; j < n; ++j)
37        {
38            transpose[j][i] = a[i][j];
39        }
40
41  }
42
43
44  printf("\nTranspose of the matrix:\n");
45
46  for (int i = 0; i < n; ++i)
47  {
48    for (int j = 0; j < m; ++j)
49    {
50        printf("%d  ", transpose[i][j]);
51        if (j == m - 1)
52        printf("\n");
53    }
54  }
55}
56