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posted @ 2019-10-31 21:04 Lesning 阅读(208) 评论(0) 推荐(1)
摘要: #include<cstring> #include<iostream> #include<cstdio> #include<queue> #include<algorithm> #define maxn 200200 using namespace std; typedef long long ll; int par[maxn]; ll num[maxn]; int find(int x) { 阅读全文
posted @ 2019-10-31 16:11 Lesning 阅读(632) 评论(0) 推荐(0)