#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double doublel;
#define f first
#define s second
const int N = 3e5 + 100;
const ll base = 313;
const ll mod = 1e9 + 9;
const int inf = 1e8;
int dis[N], b[N];
vector<int> adj[N];
priority_queue<pair<int, int>> q;
int main()
{
ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);
int n, m;
cin >> n >> m;
for(int i = 0; i < m; i++)
{
int p;
cin >> b[i] >> p;
adj[b[i]].push_back(p);
}
for(int i = 0; i < n; i++)
dis[i] = inf;
dis[b[0]] = 0;
q.push({0, b[0]});
while(!q.empty())
{
int x = q.top().s;
q.pop();
for(auto p : adj[x])
{
int c = 1;
for(int i = x+p; i < n; i += p)
{
if(dis[i] > dis[x] + c)
{
dis[i] = dis[x] + c;
q.push({-dis[i], i});
}
c++;
}
c = 1;
for(int i = x-p; i >= 0; i -= p)
{
if(dis[i] > dis[x] + c)
{
dis[i] = dis[x] + c;
q.push({-dis[i], i});
}
c++;
}
}
}
if(dis[b[1]] >= inf)
dis[b[1]] = -1;
cout << dis[b[1]] << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
7404 KB |
Output is correct |
2 |
Correct |
5 ms |
7404 KB |
Output is correct |
3 |
Correct |
6 ms |
7404 KB |
Output is correct |
4 |
Correct |
5 ms |
7404 KB |
Output is correct |
5 |
Correct |
5 ms |
7404 KB |
Output is correct |
6 |
Correct |
5 ms |
7404 KB |
Output is correct |
7 |
Correct |
5 ms |
7404 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
7404 KB |
Output is correct |
2 |
Correct |
6 ms |
7404 KB |
Output is correct |
3 |
Correct |
5 ms |
7404 KB |
Output is correct |
4 |
Correct |
6 ms |
7532 KB |
Output is correct |
5 |
Correct |
5 ms |
7404 KB |
Output is correct |
6 |
Correct |
5 ms |
7404 KB |
Output is correct |
7 |
Correct |
5 ms |
7404 KB |
Output is correct |
8 |
Correct |
5 ms |
7404 KB |
Output is correct |
9 |
Correct |
5 ms |
7404 KB |
Output is correct |
10 |
Correct |
5 ms |
7404 KB |
Output is correct |
11 |
Correct |
6 ms |
7404 KB |
Output is correct |
12 |
Correct |
7 ms |
7404 KB |
Output is correct |
13 |
Correct |
6 ms |
7404 KB |
Output is correct |
14 |
Correct |
6 ms |
7404 KB |
Output is correct |
15 |
Correct |
6 ms |
7404 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
7404 KB |
Output is correct |
2 |
Correct |
5 ms |
7404 KB |
Output is correct |
3 |
Correct |
5 ms |
7404 KB |
Output is correct |
4 |
Correct |
5 ms |
7404 KB |
Output is correct |
5 |
Correct |
5 ms |
7404 KB |
Output is correct |
6 |
Correct |
5 ms |
7424 KB |
Output is correct |
7 |
Correct |
5 ms |
7404 KB |
Output is correct |
8 |
Correct |
5 ms |
7404 KB |
Output is correct |
9 |
Correct |
6 ms |
7404 KB |
Output is correct |
10 |
Correct |
5 ms |
7404 KB |
Output is correct |
11 |
Correct |
6 ms |
7404 KB |
Output is correct |
12 |
Correct |
7 ms |
7404 KB |
Output is correct |
13 |
Correct |
6 ms |
7404 KB |
Output is correct |
14 |
Correct |
6 ms |
7404 KB |
Output is correct |
15 |
Correct |
6 ms |
7404 KB |
Output is correct |
16 |
Correct |
5 ms |
7404 KB |
Output is correct |
17 |
Correct |
7 ms |
7404 KB |
Output is correct |
18 |
Correct |
5 ms |
7404 KB |
Output is correct |
19 |
Correct |
5 ms |
7404 KB |
Output is correct |
20 |
Correct |
10 ms |
7532 KB |
Output is correct |
21 |
Correct |
5 ms |
7404 KB |
Output is correct |
22 |
Correct |
5 ms |
7404 KB |
Output is correct |
23 |
Correct |
6 ms |
7404 KB |
Output is correct |
24 |
Correct |
7 ms |
7532 KB |
Output is correct |
25 |
Correct |
8 ms |
7532 KB |
Output is correct |
26 |
Correct |
9 ms |
7404 KB |
Output is correct |
27 |
Correct |
9 ms |
7404 KB |
Output is correct |
28 |
Correct |
6 ms |
7532 KB |
Output is correct |
29 |
Correct |
6 ms |
7532 KB |
Output is correct |
30 |
Correct |
6 ms |
7532 KB |
Output is correct |
31 |
Correct |
6 ms |
7532 KB |
Output is correct |
32 |
Correct |
6 ms |
7532 KB |
Output is correct |
33 |
Correct |
7 ms |
7532 KB |
Output is correct |
34 |
Correct |
7 ms |
7660 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
7404 KB |
Output is correct |
2 |
Correct |
5 ms |
7404 KB |
Output is correct |
3 |
Correct |
6 ms |
7424 KB |
Output is correct |
4 |
Correct |
5 ms |
7404 KB |
Output is correct |
5 |
Correct |
5 ms |
7404 KB |
Output is correct |
6 |
Correct |
5 ms |
7404 KB |
Output is correct |
7 |
Correct |
5 ms |
7404 KB |
Output is correct |
8 |
Correct |
7 ms |
7404 KB |
Output is correct |
9 |
Correct |
5 ms |
7404 KB |
Output is correct |
10 |
Correct |
5 ms |
7404 KB |
Output is correct |
11 |
Correct |
6 ms |
7404 KB |
Output is correct |
12 |
Correct |
6 ms |
7404 KB |
Output is correct |
13 |
Correct |
6 ms |
7404 KB |
Output is correct |
14 |
Correct |
6 ms |
7404 KB |
Output is correct |
15 |
Correct |
6 ms |
7404 KB |
Output is correct |
16 |
Correct |
5 ms |
7404 KB |
Output is correct |
17 |
Correct |
6 ms |
7404 KB |
Output is correct |
18 |
Correct |
5 ms |
7424 KB |
Output is correct |
19 |
Correct |
6 ms |
7404 KB |
Output is correct |
20 |
Correct |
9 ms |
7532 KB |
Output is correct |
21 |
Correct |
6 ms |
7404 KB |
Output is correct |
22 |
Correct |
5 ms |
7404 KB |
Output is correct |
23 |
Correct |
6 ms |
7404 KB |
Output is correct |
24 |
Correct |
7 ms |
7532 KB |
Output is correct |
25 |
Correct |
6 ms |
7532 KB |
Output is correct |
26 |
Correct |
8 ms |
7404 KB |
Output is correct |
27 |
Correct |
8 ms |
7404 KB |
Output is correct |
28 |
Correct |
6 ms |
7532 KB |
Output is correct |
29 |
Correct |
6 ms |
7532 KB |
Output is correct |
30 |
Correct |
6 ms |
7532 KB |
Output is correct |
31 |
Correct |
6 ms |
7532 KB |
Output is correct |
32 |
Correct |
6 ms |
7532 KB |
Output is correct |
33 |
Correct |
7 ms |
7532 KB |
Output is correct |
34 |
Correct |
7 ms |
7660 KB |
Output is correct |
35 |
Correct |
13 ms |
7788 KB |
Output is correct |
36 |
Correct |
7 ms |
7532 KB |
Output is correct |
37 |
Correct |
12 ms |
7788 KB |
Output is correct |
38 |
Correct |
15 ms |
7916 KB |
Output is correct |
39 |
Correct |
14 ms |
7916 KB |
Output is correct |
40 |
Correct |
14 ms |
7916 KB |
Output is correct |
41 |
Correct |
14 ms |
7916 KB |
Output is correct |
42 |
Correct |
50 ms |
8044 KB |
Output is correct |
43 |
Correct |
54 ms |
8044 KB |
Output is correct |
44 |
Correct |
50 ms |
7916 KB |
Output is correct |
45 |
Correct |
13 ms |
8044 KB |
Output is correct |
46 |
Correct |
14 ms |
8044 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
7424 KB |
Output is correct |
2 |
Correct |
5 ms |
7404 KB |
Output is correct |
3 |
Correct |
5 ms |
7404 KB |
Output is correct |
4 |
Correct |
5 ms |
7404 KB |
Output is correct |
5 |
Correct |
5 ms |
7404 KB |
Output is correct |
6 |
Correct |
5 ms |
7404 KB |
Output is correct |
7 |
Correct |
5 ms |
7404 KB |
Output is correct |
8 |
Correct |
5 ms |
7532 KB |
Output is correct |
9 |
Correct |
5 ms |
7404 KB |
Output is correct |
10 |
Correct |
5 ms |
7404 KB |
Output is correct |
11 |
Correct |
6 ms |
7404 KB |
Output is correct |
12 |
Correct |
6 ms |
7404 KB |
Output is correct |
13 |
Correct |
6 ms |
7404 KB |
Output is correct |
14 |
Correct |
6 ms |
7404 KB |
Output is correct |
15 |
Correct |
6 ms |
7404 KB |
Output is correct |
16 |
Correct |
5 ms |
7404 KB |
Output is correct |
17 |
Correct |
6 ms |
7404 KB |
Output is correct |
18 |
Correct |
6 ms |
7404 KB |
Output is correct |
19 |
Correct |
5 ms |
7404 KB |
Output is correct |
20 |
Correct |
9 ms |
7532 KB |
Output is correct |
21 |
Correct |
5 ms |
7404 KB |
Output is correct |
22 |
Correct |
5 ms |
7404 KB |
Output is correct |
23 |
Correct |
6 ms |
7404 KB |
Output is correct |
24 |
Correct |
6 ms |
7552 KB |
Output is correct |
25 |
Correct |
6 ms |
7532 KB |
Output is correct |
26 |
Correct |
8 ms |
7404 KB |
Output is correct |
27 |
Correct |
8 ms |
7404 KB |
Output is correct |
28 |
Correct |
6 ms |
7532 KB |
Output is correct |
29 |
Correct |
6 ms |
7532 KB |
Output is correct |
30 |
Correct |
6 ms |
7532 KB |
Output is correct |
31 |
Correct |
6 ms |
7532 KB |
Output is correct |
32 |
Correct |
6 ms |
7532 KB |
Output is correct |
33 |
Correct |
7 ms |
7532 KB |
Output is correct |
34 |
Correct |
7 ms |
7660 KB |
Output is correct |
35 |
Correct |
12 ms |
7788 KB |
Output is correct |
36 |
Correct |
7 ms |
7532 KB |
Output is correct |
37 |
Correct |
14 ms |
7788 KB |
Output is correct |
38 |
Correct |
15 ms |
7916 KB |
Output is correct |
39 |
Correct |
14 ms |
7916 KB |
Output is correct |
40 |
Correct |
14 ms |
7916 KB |
Output is correct |
41 |
Correct |
14 ms |
7916 KB |
Output is correct |
42 |
Correct |
52 ms |
8044 KB |
Output is correct |
43 |
Correct |
54 ms |
8044 KB |
Output is correct |
44 |
Correct |
51 ms |
7920 KB |
Output is correct |
45 |
Correct |
14 ms |
8044 KB |
Output is correct |
46 |
Correct |
14 ms |
8044 KB |
Output is correct |
47 |
Correct |
27 ms |
8808 KB |
Output is correct |
48 |
Correct |
12 ms |
8300 KB |
Output is correct |
49 |
Correct |
12 ms |
8300 KB |
Output is correct |
50 |
Correct |
10 ms |
8044 KB |
Output is correct |
51 |
Correct |
38 ms |
9700 KB |
Output is correct |
52 |
Correct |
35 ms |
9192 KB |
Output is correct |
53 |
Correct |
22 ms |
9192 KB |
Output is correct |
54 |
Correct |
7 ms |
7788 KB |
Output is correct |
55 |
Correct |
7 ms |
7788 KB |
Output is correct |
56 |
Correct |
778 ms |
9200 KB |
Output is correct |
57 |
Correct |
96 ms |
9824 KB |
Output is correct |
58 |
Correct |
958 ms |
8192 KB |
Output is correct |
59 |
Correct |
609 ms |
8428 KB |
Output is correct |
60 |
Execution timed out |
1093 ms |
8172 KB |
Time limit exceeded |
61 |
Halted |
0 ms |
0 KB |
- |