https://ac.nowcoder.com/acm/contest/view-submission?submissionId=41630926一条1到n按顺序链接的链即可卡成而这个代码是可以过纯随机数据的。数据生成器: #include<bits/stdc++.h> #define maxn 300005 using namespace std; int Ran(){ return rand() << 15 | rand(); } int Ran(int a,int b){ return Ran() % (b-a+1) + a; } int F[maxn]; in...