#include "doll.h" #include<bits/stdc++.h> using namespace std; #define mp make_pair #define INF 10000000 #define MOD 1000000007 #define MID ((l+r)/2) #define HASHMOD 2305843009213693951 #define ll long long #define ull unsigned long long #define F first #define S second typedef pair<ll, ll> ii; typedef pair<ii, int> iii; typedef vector<int> vi; typedef vector<ii> vii; typedef map<int, int> mii; #define EPS 1e-6 #define FOR(i,n) for(int i=0;i<((int)(n));i++) #define FORi(i,a,b) for(int i=((int)(a));i<((int)(b));i++) #define FOA(v, a) for(auto v : a) void create_circuit(int M, std::vector<int> A) { int n = A.size(); vector<int> C(M + 1); C[0] = A[0]; FORi(i,1,n) C[A[i-1]] = A[i]; std::vector<int> X, Y; answer(C, X, Y); }