2d-arr1.c

int** matrix = malloc(10*sizeof(int*));
if(matrix == NULL)
{
    fprintf(stderr, "Memory Allocation Failed\n");
    exit(EXIT_FAILURE);
}
int i;
for(i=0; i<10; i++)
{
    matrix[i] = malloc(5*sizeof(int));
    if(matrix[i] == NULL)
    {
        fprintf(stderr, "Memory Allocation Failed\n");
        exit(EXIT_FAILURE);
    }
}