| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 793330 |
2023-07-25T17:56:15 Z |
Valaki2 |
007 (CEOI14_007) |
C++14 |
|
176 ms |
25012 KB |
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int maxn = 2e5;
int n, m;
vector<int> graph[1 + maxn];
int g, s, a, b;
vector<int> dg, ds, da, db;
vector<int> bfs(int start) {
vector<int> res(1 + n, -1);
res[start] = 0;
queue<int> q;
q.push(start);
while(!q.empty()) {
int cur = q.front();
q.pop();
for(int nei : graph[cur]) {
if(res[nei] == -1) {
res[nei] = res[cur] + 1;
q.push(nei);
}
}
}
return res;
}
void solve() {
cin >> n >> m;
cin >> g >> s >> a >> b;
for(int i = 0; i < m; i++) {
int x, y;
cin >> x >> y;
graph[x].pb(y);
graph[y].pb(x);
}
dg = bfs(g), ds = bfs(s), da = bfs(a), db = bfs(b);
if((da[s] < da[g]) || (db[s] < db[g])) {
cout << "-1\n";
}
int add_a = da[s] - 1 - da[g], add_b = db[s] - 1 - db[g];
if(add_a != add_b) {
add_a++, add_b++;
}
int to_add = min(add_a, add_b);
cout << to_add << "\n";
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 2 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 3 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 4 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
5020 KB |
Output is correct |
| 6 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 7 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 8 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 9 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 10 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
2 ms |
5020 KB |
Output is correct |
| 12 |
Correct |
3 ms |
5024 KB |
Output is correct |
| 13 |
Partially correct |
2 ms |
5028 KB |
Partially correct |
| 14 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 15 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 16 |
Correct |
3 ms |
5032 KB |
Output is correct |
| 17 |
Correct |
3 ms |
4944 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 19 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 20 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 21 |
Correct |
2 ms |
5028 KB |
Output is correct |
| 22 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 23 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 24 |
Correct |
3 ms |
5020 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
16 ms |
7420 KB |
Partially correct |
| 2 |
Correct |
22 ms |
8436 KB |
Output is correct |
| 3 |
Partially correct |
15 ms |
7520 KB |
Partially correct |
| 4 |
Correct |
22 ms |
8528 KB |
Output is correct |
| 5 |
Correct |
15 ms |
7304 KB |
Output is correct |
| 6 |
Correct |
14 ms |
7564 KB |
Output is correct |
| 7 |
Partially correct |
15 ms |
7892 KB |
Partially correct |
| 8 |
Partially correct |
16 ms |
7872 KB |
Partially correct |
| 9 |
Correct |
24 ms |
8748 KB |
Output is correct |
| 10 |
Partially correct |
107 ms |
17284 KB |
Partially correct |
| 11 |
Correct |
37 ms |
10324 KB |
Output is correct |
| 12 |
Partially correct |
40 ms |
11704 KB |
Partially correct |
| 13 |
Correct |
37 ms |
10724 KB |
Output is correct |
| 14 |
Incorrect |
26 ms |
9816 KB |
Extra information in the output file |
| 15 |
Partially correct |
36 ms |
11740 KB |
Partially correct |
| 16 |
Correct |
36 ms |
12132 KB |
Output is correct |
| 17 |
Partially correct |
33 ms |
11360 KB |
Partially correct |
| 18 |
Correct |
36 ms |
11436 KB |
Output is correct |
| 19 |
Partially correct |
58 ms |
13852 KB |
Partially correct |
| 20 |
Correct |
120 ms |
19604 KB |
Output is correct |
| 21 |
Correct |
53 ms |
14584 KB |
Output is correct |
| 22 |
Partially correct |
42 ms |
13220 KB |
Partially correct |
| 23 |
Partially correct |
47 ms |
14416 KB |
Partially correct |
| 24 |
Partially correct |
48 ms |
14284 KB |
Partially correct |
| 25 |
Correct |
46 ms |
13784 KB |
Output is correct |
| 26 |
Partially correct |
42 ms |
13288 KB |
Partially correct |
| 27 |
Partially correct |
47 ms |
14496 KB |
Partially correct |
| 28 |
Partially correct |
64 ms |
14468 KB |
Partially correct |
| 29 |
Partially correct |
91 ms |
16284 KB |
Partially correct |
| 30 |
Correct |
136 ms |
20832 KB |
Output is correct |
| 31 |
Correct |
54 ms |
15920 KB |
Output is correct |
| 32 |
Partially correct |
73 ms |
14492 KB |
Partially correct |
| 33 |
Partially correct |
59 ms |
14796 KB |
Partially correct |
| 34 |
Correct |
72 ms |
15256 KB |
Output is correct |
| 35 |
Correct |
52 ms |
14816 KB |
Output is correct |
| 36 |
Correct |
74 ms |
15208 KB |
Output is correct |
| 37 |
Correct |
94 ms |
16512 KB |
Output is correct |
| 38 |
Partially correct |
74 ms |
16288 KB |
Partially correct |
| 39 |
Partially correct |
76 ms |
16264 KB |
Partially correct |
| 40 |
Correct |
145 ms |
19904 KB |
Output is correct |
| 41 |
Partially correct |
176 ms |
25012 KB |
Partially correct |
