karnaugh map(1)(2)

题目如下：

Consider the function f shown in the Karnaugh map below.

Consider the function f shown in the Karnaugh map below. Implement this function.
(The original exam question asked for simplified SOP and POS forms of the function.)

代码如下：

module top_module (
    input [4:1] x, 
    output f );
	assign f = ~x[1]&x[3] | x[2]&x[4];
    
endmodule

module top_module (
    input [4:1] x,
    output f
); 
	assign f = ~x[2]&~x[4] | ~x[1]&x[3] | x[2]&x[3]&x[4];
    
endmodule