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 <bits/stdc++.h>
#include "keys.h"
using namespace std;
const int nax = 200;
vector<pair<int,int>>g[nax];
vector<int> find_reachable(vector<int> r, vector<int> u,
vector<int> v, vector<int> c) {
int n = r.size(), m = u.size();
for(int i=0; i<m; ++i) {
g[u[i]].emplace_back(v[i], c[i]);
g[v[i]].emplace_back(u[i], c[i]);
}
int cnt[n] = {0};
for(int sc=0; sc<n; ++sc) {
bool rc[n] = {0};
rc[sc] = 1;
bool key[n] = {0};
key[r[sc]] = 1;
while(1) {
bool none = true;
for(int i=0; i<n; ++i) if(rc[i]) {
for(auto [to ,type] : g[i]) {
if(key[type] && !rc[to]) {
rc[to] = 1;
key[r[to]] = 1;
none = false;
}
}
}
if(none) break;
}
for(int i=0; i<n; ++i) {
cnt[sc] += rc[i];
}
}
int mn = 1e9;
for(int i=0; i<n; ++i) {
mn = min(mn, cnt[i]);
}
vector<int>ret(n);
for(int i=0; i<n; ++i) if(cnt[i]==mn) {
ret[i] = 1;
}
return ret;
}
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