#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define sz(a) a.size()
typedef long long ll;
typedef pair<int, int> pii;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<class T> using oset=tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
int N;
int construct(vector<vector<int>> p){
N = p.size();
bool c1 = false;
bool c2 = false;
bool c3 = false;
for(int i = 0; i < N; i++){
for(int j = 0;j < N; j++){
if(p[i][j] == 1)c1 = true;
if(p[i][j] == 2)c2 = true;
if(p[i][j] == 3)c3 = true;
}
}
if(c1 && !c2 && !c3){
//tree case
vector<vector<int>> b;
for(int i = 0; i < N;i ++){
int c1 = 2*i + 1;
int c2 = 2*i + 2;
int p = (i-1)/2;
vector<int> curr;
for(int j = 0;j < N; j++){
if(j == p || j == c1 || j== c2){
curr.pb(1);
}
else{
curr.pb(0);
}
}
b.pb(curr);
}
build(b);
return 1;
}
return 0;
}
