Transpose

#include <stdio.h>

int main()
{
    int numbers[13][13];

    printf("Input elements into the array:\n\n");

    for (int i = 0; i < 13; i++)
    {
        for (int j = 0; j < 13; j++)
        {
            scanf("%d", &numbers[i][j]);
        }

        printf("\n");
    }

    printf("\n\nPrinting the array:\n\n");

    for (int i = 0; i < 13; i++)
    {
        for (int j = 0; j < 13; j++)
        {
            printf("%d ", numbers[i][j]);
        }

        printf("\n");
    }

    printf("\n\n\nTransposing the array ....\n\n");

    for (int i = 0; i < 13; i++)
    {
        for (int j = i + 1; j < 13; j++)
        {
            numbers[i][j] += numbers[j][i];

            numbers[j][i] = numbers[i][j] - numbers[j][i];

            numbers[i][j] -= numbers[j][i];

            if (numbers[j][i] < 0)
            {
                numbers[j][i] = -numbers[j][i];
            }
        }
    }

    printf("\nPrinting the array:\n\n");

    for (int i = 0; i < 13; i++)
    {
        for (int j = 0; j < 13; j++)
        {
            printf("%d ", numbers[i][j]);
        }

        printf("\n");
    }

    return 0;
}