#include "supertrees.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define V vector
using namespace std;
typedef long long ll;
#define all(v) v.begin(), v.end()
#define P pair
#define F first
#define S second
V<int>adj[(int)2000];
V<int>comp(2000);
V<bool>visited(2000);
void dfs(int nd,int s){
if(visited[nd]){
return;
}
visited[nd]=true;
comp[nd]=s;
for(auto u:adj[nd]){
dfs(u,s);
}
}
int construct(std::vector<std::vector<int>> p) {
int n = p.size();
std::vector<std::vector<int>> answer(n,V<int>(n));
for(int i=0;i<n;i++){
comp[i]=i;
visited[i]=false;
}
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
if(p[i][j]==1 && i!=j){
adj[i].pb(j);
adj[j].pb(i);
}
}
}
for(int i=0;i<n;i++){
dfs(i,i);
}
for(int i=0;i<n;i++) {
for (int j = 0; j < n; j++) {
if (comp[i] == j && i != j) {
answer[i][j] = 1;
answer[j][i] = 1;
}
}
}
build(answer);
return 1;
}
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