This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "doll.h"
#include <bits/stdc++.h>
#define pb push_back
#define F first
#define S second
using namespace std;
vector<int> X, Y;
int uni = 12345678;
int Solve(vector<int> A){
// cerr << "!! " ;
// for(auto x : A) cerr << x << ' ';
// cerr << '\n';
if(A[0] == -1){
// X.pb(uni);
// Y.pb(uni);
// return -((int) X.size());
return uni;
}
if(A.size() == 1)
return A[0];
int n = A.size();
vector<int> L, R;
// for(auto x : A)
// (x == -1 ? B : G).pb(x);
int cnt = 0;
for(auto x : A)
cnt += (x >= 0);
if(cnt <= n / 2){
for(int i = 0; i < n / 2; i++) L.pb(A[i]);
for(int i = n / 2; i < n; i++) R.pb(A[i]);
} else {
int rm = n - cnt;
for(int i = 0; i < (n / 2) - rm; i++){
L.pb(A[i + i]);
R.pb(A[i + i + 1]);
}
int la = ((n / 2) - rm) * 2;
for(int i = 0; i < rm; i++){
L.pb(A[la + i]);
R.pb(-1);
}
}
assert(L.size() == R.size());
int lf = Solve(L);
int rt = Solve(R);
X.pb(lf);
Y.pb(rt);
return -((int) X.size());
}
void create_circuit(int m, vector<int> A) {
X.clear();
Y.clear();
A.pb(0);
reverse(A.begin(), A.end());
int n = A.size();
int sz = n;
for(int i = 0; i < 30; i++){
if((1 << i) >= n){
sz = (1 << i);
break;
}
}
A.resize(sz, -1);
// vector<int> B(A.size() - sz);
int rt = Solve(A);
vector<int> C(m + 1, rt);
for(auto &x : X) if(x == uni) x = rt;
for(auto &x : Y) if(x == uni) x = rt;
// cerr << "! ";
// for(auto x : C) cerr << x << ' ';
// cerr << '\n';
// cerr << "# ";
// for(int i = 0; i < X.size(); i++)
// cerr << X[i] << ':' << Y[i] << '\n';
// cerr << '\n';
answer(C, Y, X);
}
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