#include <bits/stdc++.h>
using namespace std;
const int O = 3e5 + 5;
const int N = 2e3 + 5;
const int inf = 1e9;
int n, m, b[O], p[O], d[O];
vector <pair <int, int>> g[O];
vector <int> a[O];
main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin >> n >> m;
for (int i = 1; i <= m; ++ i){
cin >> b[i] >> p[i];
a[b[i]].push_back(p[i]);
}
for (int i = 0; i < n; ++ i){
for (int j : a[i]){
if (j == 0) continue;
for (int z = i % j; z < n; z += j){
if (z != i){
g[i].push_back({z, abs(i - z) / j});
}
}
}
}
for (int i = 0; i < n; ++ i) d[i] = inf;
priority_queue <pair <int, int>> q;
q.push({0, b[1]}); d[b[1]] = 0;
while (q.size()){
int u = q.top().second;
int du = -q.top().first;
q.pop();
if (d[u] != du) continue;
for (auto i : g[u]){
int v = i.first;
int w = i.second;
if (d[v] > d[u] + w){
d[v] = d[u] + w;
q.push({-d[v], v});
}
}
}
if (d[b[2]] >= 1e9) d[b[2]] = -1;
cout << d[b[2]];
}
Compilation message
skyscraper.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
13 | main(){
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
14412 KB |
Output is correct |
2 |
Correct |
7 ms |
14312 KB |
Output is correct |
3 |
Correct |
7 ms |
14412 KB |
Output is correct |
4 |
Correct |
7 ms |
14412 KB |
Output is correct |
5 |
Correct |
7 ms |
14412 KB |
Output is correct |
6 |
Correct |
8 ms |
14396 KB |
Output is correct |
7 |
Correct |
8 ms |
14424 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
14412 KB |
Output is correct |
2 |
Correct |
7 ms |
14412 KB |
Output is correct |
3 |
Correct |
8 ms |
14412 KB |
Output is correct |
4 |
Correct |
7 ms |
14408 KB |
Output is correct |
5 |
Correct |
8 ms |
14308 KB |
Output is correct |
6 |
Correct |
7 ms |
14412 KB |
Output is correct |
7 |
Correct |
7 ms |
14400 KB |
Output is correct |
8 |
Correct |
8 ms |
14428 KB |
Output is correct |
9 |
Correct |
8 ms |
14412 KB |
Output is correct |
10 |
Correct |
8 ms |
14444 KB |
Output is correct |
11 |
Correct |
8 ms |
14540 KB |
Output is correct |
12 |
Correct |
15 ms |
16584 KB |
Output is correct |
13 |
Correct |
14 ms |
16708 KB |
Output is correct |
14 |
Correct |
8 ms |
14412 KB |
Output is correct |
15 |
Correct |
8 ms |
14412 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
14412 KB |
Output is correct |
2 |
Correct |
8 ms |
14412 KB |
Output is correct |
3 |
Correct |
8 ms |
14412 KB |
Output is correct |
4 |
Correct |
8 ms |
14432 KB |
Output is correct |
5 |
Correct |
8 ms |
14316 KB |
Output is correct |
6 |
Correct |
8 ms |
14412 KB |
Output is correct |
7 |
Correct |
8 ms |
14412 KB |
Output is correct |
8 |
Correct |
8 ms |
14348 KB |
Output is correct |
9 |
Correct |
10 ms |
14384 KB |
Output is correct |
10 |
Correct |
8 ms |
14452 KB |
Output is correct |
11 |
Correct |
9 ms |
14540 KB |
Output is correct |
12 |
Correct |
13 ms |
16584 KB |
Output is correct |
13 |
Correct |
12 ms |
16748 KB |
Output is correct |
14 |
Correct |
9 ms |
14412 KB |
Output is correct |
15 |
Correct |
9 ms |
14412 KB |
Output is correct |
16 |
Correct |
8 ms |
14412 KB |
Output is correct |
17 |
Correct |
8 ms |
14688 KB |
Output is correct |
18 |
Correct |
7 ms |
14412 KB |
Output is correct |
19 |
Correct |
8 ms |
14412 KB |
Output is correct |
20 |
Correct |
71 ms |
46588 KB |
Output is correct |
21 |
Correct |
9 ms |
14412 KB |
Output is correct |
22 |
Correct |
9 ms |
14412 KB |
Output is correct |
23 |
Correct |
8 ms |
14424 KB |
Output is correct |
24 |
Correct |
9 ms |
14540 KB |
Output is correct |
25 |
Correct |
9 ms |
14540 KB |
Output is correct |
26 |
Correct |
82 ms |
47384 KB |
Output is correct |
27 |
Correct |
70 ms |
47380 KB |
Output is correct |
28 |
Correct |
9 ms |
14668 KB |
Output is correct |
29 |
Correct |
11 ms |
15040 KB |
Output is correct |
30 |
Correct |
9 ms |
14660 KB |
Output is correct |
31 |
Correct |
9 ms |
14796 KB |
Output is correct |
32 |
Correct |
9 ms |
14756 KB |
Output is correct |
33 |
Correct |
10 ms |
15680 KB |
Output is correct |
34 |
Correct |
12 ms |
15692 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
14412 KB |
Output is correct |
2 |
Correct |
8 ms |
14412 KB |
Output is correct |
3 |
Correct |
9 ms |
14416 KB |
Output is correct |
4 |
Correct |
8 ms |
14304 KB |
Output is correct |
5 |
Correct |
8 ms |
14412 KB |
Output is correct |
6 |
Correct |
8 ms |
14412 KB |
Output is correct |
7 |
Correct |
9 ms |
14412 KB |
Output is correct |
8 |
Correct |
9 ms |
14412 KB |
Output is correct |
9 |
Correct |
10 ms |
14412 KB |
Output is correct |
10 |
Correct |
8 ms |
14436 KB |
Output is correct |
11 |
Correct |
8 ms |
14540 KB |
Output is correct |
12 |
Correct |
11 ms |
16584 KB |
Output is correct |
13 |
Correct |
11 ms |
16708 KB |
Output is correct |
14 |
Correct |
8 ms |
14400 KB |
Output is correct |
15 |
Correct |
8 ms |
14412 KB |
Output is correct |
16 |
Correct |
9 ms |
14424 KB |
Output is correct |
17 |
Correct |
9 ms |
14668 KB |
Output is correct |
18 |
Correct |
8 ms |
14448 KB |
Output is correct |
19 |
Correct |
9 ms |
14388 KB |
Output is correct |
20 |
Correct |
71 ms |
46492 KB |
Output is correct |
21 |
Correct |
8 ms |
14412 KB |
Output is correct |
22 |
Correct |
9 ms |
14412 KB |
Output is correct |
23 |
Correct |
10 ms |
14536 KB |
Output is correct |
24 |
Correct |
10 ms |
14536 KB |
Output is correct |
25 |
Correct |
10 ms |
14620 KB |
Output is correct |
26 |
Correct |
73 ms |
47368 KB |
Output is correct |
27 |
Correct |
68 ms |
47432 KB |
Output is correct |
28 |
Correct |
12 ms |
14668 KB |
Output is correct |
29 |
Correct |
10 ms |
15052 KB |
Output is correct |
30 |
Correct |
9 ms |
14728 KB |
Output is correct |
31 |
Correct |
9 ms |
14796 KB |
Output is correct |
32 |
Correct |
10 ms |
14668 KB |
Output is correct |
33 |
Correct |
11 ms |
15700 KB |
Output is correct |
34 |
Correct |
12 ms |
15676 KB |
Output is correct |
35 |
Correct |
16 ms |
16332 KB |
Output is correct |
36 |
Correct |
9 ms |
14668 KB |
Output is correct |
37 |
Correct |
17 ms |
17892 KB |
Output is correct |
38 |
Correct |
19 ms |
17284 KB |
Output is correct |
39 |
Correct |
18 ms |
17484 KB |
Output is correct |
40 |
Correct |
24 ms |
17372 KB |
Output is correct |
41 |
Correct |
21 ms |
17288 KB |
Output is correct |
42 |
Runtime error |
341 ms |
262148 KB |
Execution killed with signal 9 |
43 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
14412 KB |
Output is correct |
2 |
Correct |
7 ms |
14416 KB |
Output is correct |
3 |
Correct |
7 ms |
14412 KB |
Output is correct |
4 |
Correct |
9 ms |
14308 KB |
Output is correct |
5 |
Correct |
9 ms |
14412 KB |
Output is correct |
6 |
Correct |
8 ms |
14324 KB |
Output is correct |
7 |
Correct |
9 ms |
14412 KB |
Output is correct |
8 |
Correct |
10 ms |
14412 KB |
Output is correct |
9 |
Correct |
9 ms |
14412 KB |
Output is correct |
10 |
Correct |
8 ms |
14412 KB |
Output is correct |
11 |
Correct |
8 ms |
14540 KB |
Output is correct |
12 |
Correct |
14 ms |
16584 KB |
Output is correct |
13 |
Correct |
12 ms |
16708 KB |
Output is correct |
14 |
Correct |
10 ms |
14456 KB |
Output is correct |
15 |
Correct |
8 ms |
14412 KB |
Output is correct |
16 |
Correct |
8 ms |
14424 KB |
Output is correct |
17 |
Correct |
9 ms |
14668 KB |
Output is correct |
18 |
Correct |
8 ms |
14412 KB |
Output is correct |
19 |
Correct |
8 ms |
14412 KB |
Output is correct |
20 |
Correct |
78 ms |
46576 KB |
Output is correct |
21 |
Correct |
7 ms |
14424 KB |
Output is correct |
22 |
Correct |
8 ms |
14476 KB |
Output is correct |
23 |
Correct |
9 ms |
14540 KB |
Output is correct |
24 |
Correct |
9 ms |
14540 KB |
Output is correct |
25 |
Correct |
10 ms |
14540 KB |
Output is correct |
26 |
Correct |
75 ms |
47408 KB |
Output is correct |
27 |
Correct |
69 ms |
47444 KB |
Output is correct |
28 |
Correct |
9 ms |
14668 KB |
Output is correct |
29 |
Correct |
11 ms |
15052 KB |
Output is correct |
30 |
Correct |
11 ms |
14684 KB |
Output is correct |
31 |
Correct |
9 ms |
14796 KB |
Output is correct |
32 |
Correct |
11 ms |
14668 KB |
Output is correct |
33 |
Correct |
12 ms |
15680 KB |
Output is correct |
34 |
Correct |
12 ms |
15732 KB |
Output is correct |
35 |
Correct |
16 ms |
16344 KB |
Output is correct |
36 |
Correct |
10 ms |
14668 KB |
Output is correct |
37 |
Correct |
21 ms |
17900 KB |
Output is correct |
38 |
Correct |
19 ms |
17340 KB |
Output is correct |
39 |
Correct |
19 ms |
17484 KB |
Output is correct |
40 |
Correct |
21 ms |
17356 KB |
Output is correct |
41 |
Correct |
19 ms |
17316 KB |
Output is correct |
42 |
Runtime error |
354 ms |
262148 KB |
Execution killed with signal 9 |
43 |
Halted |
0 ms |
0 KB |
- |