Remove white space at the end of the output in C

Question

The following code is for printing the elements of a matrix in spiral order. The program works fine. The problem, however, is that the online compiler against which I\'m checkin

Answer 1

You can put an if condition in your for loops

for (i = l; i < n; ++i)
{
        printf("%d", a[k][i]);
        if(i < n-1)
            printf(" ");
}