#include "stations.h"
#include <bits/stdc++.h>
#define PB push_back
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
using namespace std;
vector<int> g[1000];
int tin[1000], tout[1000], tt = 0, ht[1000];
void dfs(int v, int p, bool tp){
tin[v] = tt++;
ht[v] = tp;
for (int u : g[v]){
if (u == p) continue;
dfs(u, v, tp ^ 1);
}
tout[v] = tt++;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
for (int i = 0; i < n; i++)
g[i].clear();
tt = 0;
for (int i = 0; i < sz(u); i++){
g[u[i]].PB(v[i]);
g[v[i]].PB(u[i]);
}
dfs(0, -1, 0);
vector<int> labels;
labels.resize(n);
for (int i = 0; i < n; i++) {
if (ht[i] == 0)
labels[i] = tin[i];
else labels[i] = tout[i] + 2000;
}
return labels;
}
int find_next_station(int s, int t, std::vector<int> c) {
int N = 2000;
int ss = s;
if (s >= N) ss -= N;
int tt = t;
if (t >= N) tt -= N;
if (s < N){
if (ss > tt) return c.back();
int siz = sz(c);
int anc = c.back() - N;
if (s > 0) anc = c[siz - 2] - N;
if (tt <= anc){
for (int v : c)
if (tt <= v - N)
return v;
} else return c.back();
} else {
if (ss < tt) return c[0];
if (tt >= c[1]){
reverse(all(c));
for (int v : c)
if (tt >= v)
return v;
} else return c[0];
}
}
Compilation message
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:84:1: warning: control reaches end of non-void function [-Wreturn-type]
84 | }
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
512 KB |
Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=2014 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
384 KB |
Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=3022 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
555 ms |
1024 KB |
Wrong query response. |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
923 ms |
872 KB |
Output is correct |
2 |
Correct |
780 ms |
768 KB |
Output is correct |
3 |
Incorrect |
625 ms |
872 KB |
Wrong query response. |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
521 ms |
1024 KB |
Wrong query response. |
2 |
Halted |
0 ms |
0 KB |
- |