This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
// partially_correct/subtask3-partial-lessq.cpp
#include <queue>
#include "sphinx.h"
using namespace std;
int count_comp(int N, vector<vector<int>> &adj, int u, int v) {
int cnt = 0;
vector<bool> vis(N, false);
queue<int> q;
for (int i = 0; i < N; ++i) {
if (i == u || i == v || vis[i]) continue;
++cnt;
vis[i] = true;
q.push(i);
while (!q.empty()) {
int cur = q.front();
q.pop();
for (int nxt : adj[cur]) {
if (nxt == u || nxt == v || vis[nxt]) continue;
vis[nxt] = true;
q.push(nxt);
}
}
}
return cnt;
}
vector<int> find_colours(int N, vector<int> X, vector<int> Y) {
vector<vector<int>> adj, e;
adj.assign(N, {}), e.assign(N, {});
int M = X.size();
for (int i = 0; i < M; ++i)
adj[X[i]].push_back(Y[i]), adj[Y[i]].push_back(X[i]);
for (int i = 0; i < M; ++i) {
vector<int> ord(N, N);
ord[X[i]] = ord[Y[i]] = -1;
int cnt = count_comp(N, adj, X[i], Y[i]);
if (perform_experiment(ord) == cnt + 1) {
e[X[i]].push_back(Y[i]);
e[Y[i]].push_back(X[i]);
}
}
vector<int> F(N, -1);
int c = 0;
queue<int> q;
for (int i = 0; i < N; ++i) {
if (F[i] >= 0) continue;
F[i] = c;
q.push(i);
while (!q.empty()) {
int cur = q.front();
q.pop();
for (int nxt : e[cur]) {
if (F[nxt] == -1) {
F[nxt] = c;
q.push(nxt);
}
}
}
++c;
}
return F;
}
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