#include "split.h"
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define fr first
#define se second
const int MAXN = 1e5 + 10;
const int INF = 0x3f3f3f3f;
bool seen[MAXN];
int ans[MAXN];
vector<int> adj[MAXN];
int dfs(int node, int qtd, int qual) {
seen[node] = 1;
ans[node] = qual;
qtd--;
if (qtd == 0) {
for (auto u : adj[node]) if (!seen[u]) return u;
return -1;
}
for (auto u : adj[node]) {
if (seen[u]) continue;
return dfs(u, qtd, qual);
}
}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
vector<pii> ord = {{a, 1}, {b, 2}, {c, 3}};
sort(ord.begin(), ord.end());
for (int i = 0; i < ((int) p.size()); i++) {
adj[p[i]].push_back(q[i]);
adj[q[i]].push_back(p[i]);
}
pii comeco = {INF, INF};
for (int i = 0; i < n; i++) {
comeco = min(comeco, {((int)adj[i].size()), i});
}
int nxt = dfs(comeco.se, ord[0].fr, ord[0].se);
nxt = dfs(nxt, ord[1].fr, ord[1].se);
dfs(nxt, ord[2].fr, ord[2].se);
// retornar
vector<int> resposta(n);
for (int i = 0; i < n; i++) resposta[i] = ans[i];
return resposta;
}
Compilation message (stderr)
split.cpp: In function 'int dfs(int, int, int)':
split.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type]
29 | }
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