68. 4-bit Comparator

How do you plan to solve it?

/*Write your code here*/

module maxmin4(
    input [3:0] a,b,c,d,
    output [3:0] max,min
);

    wire [3:0] w0 , w1 , w2 , w3;

    assign w0 = a>b?a:b;
    assign w1 = c>d?c:d;

    assign w2 = a<b?a:b;
    assign w3 = c<d?c:d;

    assign max = w0>w1?w0:w1;
    assign min = w2<w3?w2:w3;
endmodule