Write a program in C to find transpose of a given matrix

#include<stdio.h>

int main()
{
    int mat[10][10];
    int i,j,r,c;
    
    printf("Enter number of Rows :");
    scanf("%d",&r);
    printf("Enter number of Cols :");
    scanf("%d",&c);

    printf("\nEnter matrix elements :\n");
    for(i=0;i< r;i++)
    {
        for(j=0;j< c;j++)
        {
            printf("Enter element [%d,%d] : ",i,j);
            scanf("%d",&mat[i][j]);
        }
    }

    /*Transpose a matrix */
    printf("\nTranspose Matrix is : \n");
    for(i=0;i< c;i++)
    {
        for(j=0;j< r;j++)
        {
            printf("%d\t",mat[j][i]);   
        }
        printf("\n");        
    }
    return 0;      
}
-------------------------------------------------------------
OUTPUT1:

Enter number of Rows :2
Enter number of Cols :2

Enter matrix elements :
Enter element [0,0] : 1
Enter element [0,1] : 2
Enter element [1,0] : 3
Enter element [1,1] : 4

Transpose Matrix is :
1    3   
2    4   
--------------------------------------------------------------
OUTPUT2:

Enter number of Rows :3
Enter number of Cols :3

Enter matrix elements :
Enter element [0,0] : 1
Enter element [0,1] : 2
Enter element [0,2] : 3
Enter element [1,0] : 4
Enter element [1,1] : 5
Enter element [1,2] : 6
Enter element [2,0] : 7
Enter element [2,1] : 8
Enter element [2,2] : 9

Transpose Matrix is :
1    4    7   
2    5    8   
3    6    9