| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 101173 |
2019-03-17T08:05:23 Z |
square1001 |
007 (CEOI14_007) |
C++14 |
|
330 ms |
16512 KB |
#include <queue>
#include <vector>
#include <iostream>
using namespace std;
vector<int> shortest_path(int src, vector<vector<int> > &G) {
int N = G.size();
vector<int> dist(N, -1);
queue<int> que;
que.push(src);
dist[src] = 0;
while (!que.empty()) {
int u = que.front(); que.pop();
for (int i : G[u]) {
if (dist[i] == -1) {
dist[i] = dist[u] + 1;
que.push(i);
}
}
}
return dist;
}
int main() {
cin.tie(0);
ios_base::sync_with_stdio(false);
int N, M;
cin >> N >> M;
int S, D, A, B;
cin >> S >> D >> A >> B; --S, --D, --A, --B;
vector<vector<int> > G(N);
for (int i = 0; i < M; ++i) {
int a, b;
cin >> a >> b; --a, --b;
G[a].push_back(b);
G[b].push_back(a);
}
vector<int> da = shortest_path(A, G);
vector<int> db = shortest_path(B, G);
int s1 = min(da[D] - da[S], db[D] - da[S] - 1);
int s2 = min(db[D] - db[S], da[D] - db[S] - 1);
int ans = max(s1, s2);
if (ans < 0) cout << -1 << endl;
else cout << ans << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Partially correct |
2 ms |
384 KB |
Partially correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
384 KB |
Output is correct |
| 6 |
Partially correct |
3 ms |
384 KB |
Partially correct |
| 7 |
Partially correct |
2 ms |
384 KB |
Partially correct |
| 8 |
Correct |
3 ms |
384 KB |
Output is correct |
| 9 |
Partially correct |
2 ms |
384 KB |
Partially correct |
| 10 |
Correct |
2 ms |
256 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
304 KB |
Output is correct |
| 13 |
Partially correct |
2 ms |
384 KB |
Partially correct |
| 14 |
Correct |
3 ms |
384 KB |
Output is correct |
| 15 |
Partially correct |
3 ms |
256 KB |
Partially correct |
| 16 |
Correct |
3 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
356 KB |
Output is correct |
| 18 |
Correct |
3 ms |
384 KB |
Output is correct |
| 19 |
Partially correct |
4 ms |
384 KB |
Partially correct |
| 20 |
Partially correct |
4 ms |
512 KB |
Partially correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Partially correct |
2 ms |
384 KB |
Partially correct |
| 23 |
Partially correct |
2 ms |
384 KB |
Partially correct |
| 24 |
Correct |
3 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
23 ms |
3448 KB |
Partially correct |
| 2 |
Correct |
46 ms |
4664 KB |
Output is correct |
| 3 |
Partially correct |
27 ms |
3580 KB |
Partially correct |
| 4 |
Correct |
46 ms |
4984 KB |
Output is correct |
| 5 |
Correct |
25 ms |
3328 KB |
Output is correct |
| 6 |
Correct |
29 ms |
3712 KB |
Output is correct |
| 7 |
Partially correct |
29 ms |
3968 KB |
Partially correct |
| 8 |
Partially correct |
28 ms |
3960 KB |
Partially correct |
| 9 |
Correct |
47 ms |
4472 KB |
Output is correct |
| 10 |
Partially correct |
187 ms |
9080 KB |
Partially correct |
| 11 |
Correct |
59 ms |
6648 KB |
Output is correct |
| 12 |
Partially correct |
80 ms |
8324 KB |
Partially correct |
| 13 |
Correct |
97 ms |
7288 KB |
Output is correct |
| 14 |
Correct |
56 ms |
6188 KB |
Output is correct |
| 15 |
Partially correct |
96 ms |
8312 KB |
Partially correct |
| 16 |
Correct |
90 ms |
8696 KB |
Output is correct |
| 17 |
Partially correct |
83 ms |
7928 KB |
Partially correct |
| 18 |
Correct |
91 ms |
7900 KB |
Output is correct |
| 19 |
Partially correct |
131 ms |
9064 KB |
Partially correct |
| 20 |
Correct |
279 ms |
12024 KB |
Output is correct |
| 21 |
Correct |
107 ms |
11128 KB |
Output is correct |
| 22 |
Partially correct |
124 ms |
9952 KB |
Partially correct |
| 23 |
Correct |
132 ms |
10912 KB |
Output is correct |
| 24 |
Partially correct |
139 ms |
10872 KB |
Partially correct |
| 25 |
Correct |
164 ms |
10400 KB |
Output is correct |
| 26 |
Correct |
119 ms |
9848 KB |
Output is correct |
| 27 |
Partially correct |
125 ms |
11128 KB |
Partially correct |
| 28 |
Partially correct |
136 ms |
11064 KB |
Partially correct |
| 29 |
Partially correct |
178 ms |
11256 KB |
Partially correct |
| 30 |
Correct |
257 ms |
12928 KB |
Output is correct |
| 31 |
Correct |
154 ms |
12656 KB |
Output is correct |
| 32 |
Partially correct |
139 ms |
10872 KB |
Partially correct |
| 33 |
Correct |
140 ms |
11428 KB |
Output is correct |
| 34 |
Correct |
191 ms |
11908 KB |
Output is correct |
| 35 |
Correct |
129 ms |
11388 KB |
Output is correct |
| 36 |
Correct |
145 ms |
12024 KB |
Output is correct |
| 37 |
Correct |
204 ms |
13304 KB |
Output is correct |
| 38 |
Partially correct |
163 ms |
12920 KB |
Partially correct |
| 39 |
Partially correct |
216 ms |
13120 KB |
Partially correct |
| 40 |
Correct |
230 ms |
14328 KB |
Output is correct |
| 41 |
Partially correct |
330 ms |
16512 KB |
Partially correct |
