#include <bits/stdc++.h>
#include "lokahia.h"
using namespace std;
int p[210];
int visit[210][210];
int num[210];
int findset(int i){
return p[i]==i?p[i]:p[i]=findset(p[i]);
}
int FindBase(int N){
srand(3082);
int counter = 0;
for (int i = 0; i < N; i++) p[i] = i;
int fail = 0;
while (counter < 300){
int a = rand()%N,b = rand()%N;
if (fail > 10000) break;
fail++;
if (a == b) continue;
if (visit[findset(a)][findset(b)]) continue;
if (findset(a) == findset(b)) continue;
fail = 0;
counter++;
int x = findset(a),y = findset(b);
visit[x][y] = visit[y][x] = 1;
int temp = CollectRelics(a,b);
if (temp != -1) {
for (int i = 0; i < N; i++){
visit[temp][i] = visit[i][temp] = max(visit[temp][i],max(visit[x][i],visit[y][i]));
}
p[x] = temp;
p[y] = temp;
}
}
for (int i = 0; i < N; i++){
num[findset(i)]++;
}
int maxi = 0,cur = -1;
for (int i = 0; i < N; i++){
if (num[i] >= maxi){
maxi = num[i];
cur = i;
}
}
int tot = 0;
for (int i = 0; i < N; i++){
if (findset(i)== cur) tot++;
else tot += CollectRelics(i,cur)!=-1;
}
if (tot > N/2) return cur;
return -1;
}
