摘要: ``` class Solution { public: bool canFinish(int n, vector>& pre) { if(pre.empty()||pre[0].empty()) return true; vector> g(n,vector(n,false)); for(auto 阅读全文
posted @ 2023-07-09 11:49 穿过雾的阴霾 阅读(5) 评论(0) 推荐(0)