#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 3e4+5, MAX = 2e9;
int n, m, batas;
vector<pair<int, int>> adj[N];
set<int> power[N];
int location[N], p[N];
typedef pair<int, int> state;
int dijkstra(int s, int e) {
vector<bool> vis(n+1, 0);
vector<int> dist(n+1, MAX);
priority_queue<state, vector<state>, greater<state>> pq;
pq.push({0, s});
dist[s] = 0;
while(!pq.empty()) {
int u = pq.top().second; pq.pop();
if(u == e) return dist[e];
if(!vis[u]) {
vis[u] = 1;
for(auto& it : adj[u]) {
int v = it.first, d = it.second;
if(dist[v] > dist[u] + d) {
dist[v] = dist[u] + d;
pq.push({dist[v], v});
}
}
}
}
return -1;
}
int main() {
ios::sync_with_stdio(0); cin.tie(0);
cin >> n >> m;
for(int i = 0; i < m; i++) {
cin >> location[i] >> p[i];
power[location[i]].insert(p[i]);
}
for(int i = 0; i < n; i++) {
for(auto x : power[i]) {
int lst = -1;
for(int j = i%x; j < n; j+=x) {
if(power[j].count(x) > 0) {
if(lst >= 0) {
adj[lst].push_back({j, abs(lst-j)/x});
adj[j].push_back({lst, abs(lst-j)/x});
}
for(int k = j-x; k > lst; k-=x)
adj[j].push_back({k, abs(k-j)/x});
lst = j;
if(i != j) power[j].erase(x);
} else if(lst >= 0) {
adj[lst].push_back({j, abs(lst-j)/x});
}
}
}
power[i].clear();
}
int ans = dijkstra(location[0], location[1]);
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
2432 KB |
Output is correct |
2 |
Correct |
6 ms |
2432 KB |
Output is correct |
3 |
Correct |
6 ms |
2432 KB |
Output is correct |
4 |
Correct |
6 ms |
2432 KB |
Output is correct |
5 |
Correct |
6 ms |
2432 KB |
Output is correct |
6 |
Correct |
6 ms |
2432 KB |
Output is correct |
7 |
Correct |
6 ms |
2432 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
2432 KB |
Output is correct |
2 |
Correct |
6 ms |
2432 KB |
Output is correct |
3 |
Correct |
6 ms |
2432 KB |
Output is correct |
4 |
Correct |
6 ms |
2432 KB |
Output is correct |
5 |
Correct |
6 ms |
2432 KB |
Output is correct |
6 |
Correct |
6 ms |
2432 KB |
Output is correct |
7 |
Correct |
6 ms |
2432 KB |
Output is correct |
8 |
Correct |
6 ms |
2432 KB |
Output is correct |
9 |
Correct |
6 ms |
2432 KB |
Output is correct |
10 |
Correct |
6 ms |
2560 KB |
Output is correct |
11 |
Correct |
6 ms |
2560 KB |
Output is correct |
12 |
Correct |
6 ms |
2432 KB |
Output is correct |
13 |
Correct |
6 ms |
2432 KB |
Output is correct |
14 |
Correct |
7 ms |
2688 KB |
Output is correct |
15 |
Correct |
7 ms |
2560 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
2432 KB |
Output is correct |
2 |
Correct |
5 ms |
2432 KB |
Output is correct |
3 |
Correct |
5 ms |
2432 KB |
Output is correct |
4 |
Correct |
6 ms |
2432 KB |
Output is correct |
5 |
Correct |
7 ms |
2560 KB |
Output is correct |
6 |
Correct |
6 ms |
2432 KB |
Output is correct |
7 |
Correct |
6 ms |
2432 KB |
Output is correct |
8 |
Correct |
6 ms |
2432 KB |
Output is correct |
9 |
Correct |
6 ms |
2432 KB |
Output is correct |
10 |
Correct |
6 ms |
2432 KB |
Output is correct |
11 |
Correct |
7 ms |
2560 KB |
Output is correct |
12 |
Correct |
7 ms |
2432 KB |
Output is correct |
13 |
Correct |
7 ms |
2432 KB |
Output is correct |
14 |
Correct |
6 ms |
2560 KB |
Output is correct |
15 |
Correct |
7 ms |
2560 KB |
Output is correct |
16 |
Correct |
6 ms |
2560 KB |
Output is correct |
17 |
Correct |
7 ms |
2688 KB |
Output is correct |
18 |
Correct |
6 ms |
2560 KB |
Output is correct |
19 |
Correct |
6 ms |
2560 KB |
Output is correct |
20 |
Correct |
7 ms |
2560 KB |
Output is correct |
21 |
Correct |
6 ms |
2560 KB |
Output is correct |
22 |
Correct |
6 ms |
2560 KB |
Output is correct |
23 |
Correct |
7 ms |
2560 KB |
Output is correct |
24 |
Correct |
7 ms |
2688 KB |
Output is correct |
25 |
Correct |
6 ms |
2688 KB |
Output is correct |
26 |
Correct |
6 ms |
2560 KB |
Output is correct |
27 |
Correct |
6 ms |
2560 KB |
Output is correct |
28 |
Correct |
7 ms |
2688 KB |
Output is correct |
29 |
Correct |
9 ms |
3328 KB |
Output is correct |
30 |
Correct |
7 ms |
2816 KB |
Output is correct |
31 |
Correct |
7 ms |
2944 KB |
Output is correct |
32 |
Correct |
7 ms |
2816 KB |
Output is correct |
33 |
Correct |
12 ms |
3968 KB |
Output is correct |
34 |
Correct |
10 ms |
3968 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
2432 KB |
Output is correct |
2 |
Correct |
6 ms |
2432 KB |
Output is correct |
3 |
Correct |
6 ms |
2688 KB |
Output is correct |
4 |
Correct |
6 ms |
2432 KB |
Output is correct |
5 |
Correct |
6 ms |
2432 KB |
Output is correct |
6 |
Correct |
6 ms |
2432 KB |
Output is correct |
7 |
Correct |
7 ms |
2432 KB |
Output is correct |
8 |
Correct |
6 ms |
2432 KB |
Output is correct |
9 |
Correct |
6 ms |
2432 KB |
Output is correct |
10 |
Correct |
6 ms |
2432 KB |
Output is correct |
11 |
Correct |
7 ms |
2560 KB |
Output is correct |
12 |
Correct |
6 ms |
2432 KB |
Output is correct |
13 |
Correct |
6 ms |
2432 KB |
Output is correct |
14 |
Correct |
7 ms |
2560 KB |
Output is correct |
15 |
Correct |
7 ms |
2688 KB |
Output is correct |
16 |
Correct |
6 ms |
2560 KB |
Output is correct |
17 |
Correct |
7 ms |
2688 KB |
Output is correct |
18 |
Correct |
6 ms |
2560 KB |
Output is correct |
19 |
Correct |
6 ms |
2560 KB |
Output is correct |
20 |
Correct |
6 ms |
2560 KB |
Output is correct |
21 |
Correct |
6 ms |
2560 KB |
Output is correct |
22 |
Correct |
6 ms |
2560 KB |
Output is correct |
23 |
Correct |
7 ms |
2560 KB |
Output is correct |
24 |
Correct |
8 ms |
2688 KB |
Output is correct |
25 |
Correct |
7 ms |
2688 KB |
Output is correct |
26 |
Correct |
6 ms |
2560 KB |
Output is correct |
27 |
Correct |
6 ms |
2560 KB |
Output is correct |
28 |
Correct |
7 ms |
2816 KB |
Output is correct |
29 |
Correct |
9 ms |
3328 KB |
Output is correct |
30 |
Correct |
7 ms |
2816 KB |
Output is correct |
31 |
Correct |
7 ms |
2944 KB |
Output is correct |
32 |
Correct |
7 ms |
2816 KB |
Output is correct |
33 |
Correct |
12 ms |
3968 KB |
Output is correct |
34 |
Correct |
10 ms |
3968 KB |
Output is correct |
35 |
Correct |
21 ms |
4608 KB |
Output is correct |
36 |
Correct |
8 ms |
2816 KB |
Output is correct |
37 |
Correct |
21 ms |
5248 KB |
Output is correct |
38 |
Correct |
27 ms |
5632 KB |
Output is correct |
39 |
Correct |
25 ms |
5376 KB |
Output is correct |
40 |
Correct |
25 ms |
5376 KB |
Output is correct |
41 |
Correct |
27 ms |
5504 KB |
Output is correct |
42 |
Correct |
10 ms |
2816 KB |
Output is correct |
43 |
Correct |
10 ms |
2816 KB |
Output is correct |
44 |
Correct |
10 ms |
2816 KB |
Output is correct |
45 |
Correct |
32 ms |
8312 KB |
Output is correct |
46 |
Correct |
30 ms |
8188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
2432 KB |
Output is correct |
2 |
Correct |
6 ms |
2432 KB |
Output is correct |
3 |
Correct |
6 ms |
2432 KB |
Output is correct |
4 |
Correct |
6 ms |
2432 KB |
Output is correct |
5 |
Correct |
6 ms |
2432 KB |
Output is correct |
6 |
Correct |
6 ms |
2432 KB |
Output is correct |
7 |
Correct |
6 ms |
2432 KB |
Output is correct |
8 |
Correct |
6 ms |
2432 KB |
Output is correct |
9 |
Correct |
6 ms |
2432 KB |
Output is correct |
10 |
Correct |
6 ms |
2560 KB |
Output is correct |
11 |
Correct |
7 ms |
2560 KB |
Output is correct |
12 |
Correct |
6 ms |
2432 KB |
Output is correct |
13 |
Correct |
6 ms |
2432 KB |
Output is correct |
14 |
Correct |
7 ms |
2560 KB |
Output is correct |
15 |
Correct |
7 ms |
2688 KB |
Output is correct |
16 |
Correct |
6 ms |
2560 KB |
Output is correct |
17 |
Correct |
7 ms |
2688 KB |
Output is correct |
18 |
Correct |
7 ms |
2560 KB |
Output is correct |
19 |
Correct |
6 ms |
2560 KB |
Output is correct |
20 |
Correct |
6 ms |
2560 KB |
Output is correct |
21 |
Correct |
6 ms |
2560 KB |
Output is correct |
22 |
Correct |
6 ms |
2560 KB |
Output is correct |
23 |
Correct |
7 ms |
2560 KB |
Output is correct |
24 |
Correct |
7 ms |
2688 KB |
Output is correct |
25 |
Correct |
7 ms |
2688 KB |
Output is correct |
26 |
Correct |
6 ms |
2560 KB |
Output is correct |
27 |
Correct |
6 ms |
2560 KB |
Output is correct |
28 |
Correct |
7 ms |
2688 KB |
Output is correct |
29 |
Correct |
9 ms |
3328 KB |
Output is correct |
30 |
Correct |
7 ms |
2816 KB |
Output is correct |
31 |
Correct |
9 ms |
2944 KB |
Output is correct |
32 |
Correct |
7 ms |
2816 KB |
Output is correct |
33 |
Correct |
12 ms |
3968 KB |
Output is correct |
34 |
Correct |
11 ms |
3968 KB |
Output is correct |
35 |
Correct |
21 ms |
4608 KB |
Output is correct |
36 |
Correct |
8 ms |
2816 KB |
Output is correct |
37 |
Correct |
22 ms |
5248 KB |
Output is correct |
38 |
Correct |
29 ms |
5504 KB |
Output is correct |
39 |
Correct |
26 ms |
5504 KB |
Output is correct |
40 |
Correct |
26 ms |
5376 KB |
Output is correct |
41 |
Correct |
28 ms |
5496 KB |
Output is correct |
42 |
Correct |
10 ms |
2816 KB |
Output is correct |
43 |
Correct |
11 ms |
2816 KB |
Output is correct |
44 |
Correct |
10 ms |
2816 KB |
Output is correct |
45 |
Correct |
33 ms |
8312 KB |
Output is correct |
46 |
Correct |
34 ms |
8184 KB |
Output is correct |
47 |
Correct |
45 ms |
12404 KB |
Output is correct |
48 |
Correct |
23 ms |
5628 KB |
Output is correct |
49 |
Correct |
24 ms |
4736 KB |
Output is correct |
50 |
Correct |
16 ms |
4480 KB |
Output is correct |
51 |
Correct |
36 ms |
7436 KB |
Output is correct |
52 |
Correct |
40 ms |
7736 KB |
Output is correct |
53 |
Correct |
27 ms |
5116 KB |
Output is correct |
54 |
Correct |
7 ms |
3072 KB |
Output is correct |
55 |
Correct |
9 ms |
3452 KB |
Output is correct |
56 |
Correct |
18 ms |
4224 KB |
Output is correct |
57 |
Correct |
22 ms |
11392 KB |
Output is correct |
58 |
Correct |
14 ms |
3836 KB |
Output is correct |
59 |
Correct |
16 ms |
4240 KB |
Output is correct |
60 |
Correct |
16 ms |
4876 KB |
Output is correct |
61 |
Correct |
17 ms |
4100 KB |
Output is correct |
62 |
Correct |
32 ms |
8572 KB |
Output is correct |
63 |
Correct |
113 ms |
26092 KB |
Output is correct |
64 |
Correct |
97 ms |
29292 KB |
Output is correct |
65 |
Correct |
133 ms |
38892 KB |
Output is correct |
66 |
Correct |
231 ms |
67172 KB |
Output is correct |
67 |
Correct |
187 ms |
67044 KB |
Output is correct |