제출 #605945

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
6059452022-07-26 04:29:51polya기지국 (IOI20_stations)C++14
0 / 100
977 ms644 KiB
#include "stations.h"
#include <vector>
using namespace std;
vector<int> adj[1004];
vector<int> labels;
int cnt = 0;
void dfs(int nn) {
if (labels[nn] != 1000) return;
labels[nn] = cnt++;
for (auto &i : adj[nn]) dfs(i);
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
labels.resize(n, 1000);
for (int i=0; i<n-1; i++) {
adj[u[i]].emplace_back(v[i]), adj[v[i]].emplace_back(u[i]);
}
for (int i=0; i<n; i++) {
dfs(i);
}
return labels;
}
int find_next_station(int s, int t, std::vector<int> c) {
if (s < t) return s+1;
else return s-1;
}
 
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