学习:
Your circuit has one 16-bit input, and four outputs. Build this circuit that recognizes these four scancodes and asserts the correct output.
To avoid creating latches, all outputs must be assigned a value in all possible conditions (See also always…
知识点
1. 求二进制中1的个数
int get_count(int x)//返回x的二进制有多少个1
int get_count(int x)
{int res 0;while (x){res ;x - x & -x;}return res;
}2. 建树,和树的DFS 记得初始化头节点 const int N 1e5 10, M N * 2;
int h[N], e[M], ne[M], id…