摘要: $For$ $Example$ $:$ bool DFS(int x) { for(register int u = first[x], v; u+1; u = e[u].nex) if(book[v=e[u].to]-id) { book[v] = id; if(!match[v] || DFS( 阅读全文
posted @ 2023-03-02 18:44 Saka_Noa 阅读(27) 评论(0) 推荐(0)