#include <iostream>
#include <set>
#include <queue>
#include <vector>
#include <cmath>
using namespace std;
vector<set<long long>> v;
long long n, m, q;
int M;
void bf(int k, int l) {
vector<int> viz(2*n);
queue<int> q;
viz[k] = 1;
q.push(k);
while (!q.empty()) {
int i = q.front();
if (i == 0)
v[i].insert(2LL*n-1);
if (i == 2LL*n-1)
v[i].insert(0);
if (i < 2*n-1) v[i].insert(i+1);
if (i > 0) v[i].insert(i-1);
for (auto m : v[q.front()]) {
if (!viz[m]) {
if (m == l) {
cout << viz[q.front()] << '\n';
return;
}
q.push(m);
viz[m] = viz[q.front()] + 1;
}
}
q.pop();
}
}
int main() {
cin.tie(NULL);
cin.sync_with_stdio(false);
cin >> n >> m >> q;
vector<set<long long>> V(2LL*n);
v = V;
for (int i = 0; i < m; ++i) {
cin >> M;
v[M].insert(M+n);
v[M+n].insert(M);
}
for (int i = 0; i < q; ++i) {
int a, b;
cin >> a >> b;
bf(a, b);
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
344 KB |
Output is correct |
2 |
Correct |
6 ms |
348 KB |
Output is correct |
3 |
Correct |
29 ms |
508 KB |
Output is correct |
4 |
Correct |
1 ms |
604 KB |
Output is correct |
5 |
Execution timed out |
2102 ms |
38856 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
604 KB |
Output is correct |
2 |
Correct |
7 ms |
348 KB |
Output is correct |
3 |
Correct |
6 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
440 KB |
Output is correct |
7 |
Correct |
6 ms |
596 KB |
Output is correct |
8 |
Correct |
14 ms |
844 KB |
Output is correct |
9 |
Correct |
20 ms |
856 KB |
Output is correct |
10 |
Correct |
15 ms |
604 KB |
Output is correct |
11 |
Correct |
14 ms |
604 KB |
Output is correct |
12 |
Correct |
15 ms |
848 KB |
Output is correct |
13 |
Correct |
15 ms |
604 KB |
Output is correct |
14 |
Correct |
1 ms |
600 KB |
Output is correct |
15 |
Correct |
2 ms |
856 KB |
Output is correct |
16 |
Correct |
0 ms |
344 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
376 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
604 KB |
Output is correct |
2 |
Correct |
7 ms |
348 KB |
Output is correct |
3 |
Correct |
6 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
440 KB |
Output is correct |
7 |
Correct |
6 ms |
596 KB |
Output is correct |
8 |
Correct |
14 ms |
844 KB |
Output is correct |
9 |
Correct |
20 ms |
856 KB |
Output is correct |
10 |
Correct |
15 ms |
604 KB |
Output is correct |
11 |
Correct |
14 ms |
604 KB |
Output is correct |
12 |
Correct |
15 ms |
848 KB |
Output is correct |
13 |
Correct |
15 ms |
604 KB |
Output is correct |
14 |
Correct |
1 ms |
600 KB |
Output is correct |
15 |
Correct |
2 ms |
856 KB |
Output is correct |
16 |
Correct |
0 ms |
344 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
376 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
604 KB |
Output is correct |
22 |
Correct |
5 ms |
348 KB |
Output is correct |
23 |
Correct |
6 ms |
604 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
2 ms |
348 KB |
Output is correct |
26 |
Correct |
2 ms |
500 KB |
Output is correct |
27 |
Correct |
6 ms |
348 KB |
Output is correct |
28 |
Correct |
15 ms |
604 KB |
Output is correct |
29 |
Correct |
20 ms |
856 KB |
Output is correct |
30 |
Correct |
15 ms |
840 KB |
Output is correct |
31 |
Correct |
14 ms |
836 KB |
Output is correct |
32 |
Correct |
15 ms |
852 KB |
Output is correct |
33 |
Correct |
15 ms |
604 KB |
Output is correct |
34 |
Correct |
1 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
604 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Runtime error |
413 ms |
1048576 KB |
Execution killed with signal 9 |
38 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
2 ms |
604 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
344 KB |
Output is correct |
2 |
Correct |
6 ms |
348 KB |
Output is correct |
3 |
Correct |
29 ms |
508 KB |
Output is correct |
4 |
Correct |
1 ms |
604 KB |
Output is correct |
5 |
Execution timed out |
2102 ms |
38856 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |