이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "stations.h"
#include <vector>
#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
using namespace std;
typedef pair<int,int> pii;
typedef pair<pii,int> ipii;
const int MAXN = 1e3+10;
int n, k;
vector <int> adj[MAXN];
int x, sta;
int ans[MAXN][MAXN];
void dfs(int nw, int par){
ans[sta][nw] = x;
for(auto nx : adj[nw]){
if(nx == par) continue;
dfs(nx, nw);
}
}
vector <int> vec;
int dep[MAXN], inv[MAXN], cnt;
void df(int nw, int par=-1){
vec.pb(nw);
dep[nw] = cnt; inv[cnt] = nw; cnt++;
for(auto in : adj[nw]){
if(in==par) continue;
df(in, nw);
}
}
vector<int> label(int N, int K, vector<int> u, vector<int> v) {
n = N; k = K;
for(int i=0; i<=n; i++) adj[i].clear();
for(int i=0; i<n-1; i++){
adj[u[i]].pb(v[i]); adj[v[i]].pb(u[i]);
}
// for(int i=0; i<n; i++){ // start
// sta = i;
// for(auto in : adj[i]){
// x = in;
// dfs(in, i);
// }
// }
// for(int i=0; i<n; i++){
// for(int j=0; j<n; j++){
// if(i==j) continue;
// //cout << i << ' ' << j << ' ' << ans[i][j] << " p\n";
// }
// }
for(int i=0; i<n; i++){
if(adj[i].size() == 1){
vec.clear(); cnt = 0;
df(i); break;
}
}
for(auto in : vec) cout << in << 'p';
for(int i=0; i<n; i++){
cout << i << ' '<< dep[i] << ' ' << inv[i] << " p\n";
}
vector<int> labels(n);
for (int i = 0; i < n; i++) {
labels[i] = dep[i];
}
return labels;
}
int find_next_station(int s, int t, vector<int> c) {
int te = 0;
if(s < t) return s+1;
return s-1;
// bool b = 0;
// for(auto in : c)
// if(in == te) b = 1;
// if(!b) assert(false);
return te;
}
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