#include <bits/stdc++.h>
#define fr first
#define sc second
#define pii pair<int, int>
#define pb push_back
#define szof(s) (int)s.size()
#define all(s) s.begin(), s.end()
#define fastInp ios_base::sync_with_stdio(0); cin.tie(0);
#define int long long
using namespace std;
const int MAXN = (int)2e5 + 5;
const int INF = 1e18;
int pos[MAXN], p[MAXN];
vector <pii> g[MAXN];
int n, m;
void create(int pos, int x) {
if (x == 0) { // wtf
return;
}
for (int i = pos % x; i < n; i += x) {
if (i != pos) {
g[pos].pb({abs(pos - i) / x, i});
}
}
}
int dist[MAXN];
signed main() {
fastInp;
cin >> n >> m;
for (int i = 0; i < m; i++) {
cin >> pos[i] >> p[i];
create(pos[i], p[i]);
}
for (int i = 1; i <= 5000; i++) {
cerr << "ok" << endl;
}
memset(dist, -1, sizeof(dist));
dist[pos[0]] = 0;
queue <pii> pq;
pq.push({0, pos[0]});
while (!pq.empty()) {
int v = pq.front().sc;
int cost = -pq.front().fr;
pq.pop();
if (cost > dist[v]) {
continue;
}
for (auto el : g[v]) {
int c = el.fr, to = el.sc;
if (dist[to] == -1 || dist[to] > dist[v] + c) {
dist[to] = dist[v] + c;
pq.push({-dist[to], to});
}
}
}
cout << dist[pos[1]] << endl;
}
/*
4 4
1 1
0 1
3 4
2 0
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
6604 KB |
Output is correct |
2 |
Correct |
21 ms |
6576 KB |
Output is correct |
3 |
Correct |
19 ms |
6576 KB |
Output is correct |
4 |
Correct |
19 ms |
6576 KB |
Output is correct |
5 |
Correct |
19 ms |
6568 KB |
Output is correct |
6 |
Correct |
19 ms |
6476 KB |
Output is correct |
7 |
Correct |
19 ms |
6580 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
6604 KB |
Output is correct |
2 |
Correct |
19 ms |
6580 KB |
Output is correct |
3 |
Correct |
22 ms |
6560 KB |
Output is correct |
4 |
Correct |
19 ms |
6576 KB |
Output is correct |
5 |
Correct |
20 ms |
6580 KB |
Output is correct |
6 |
Correct |
19 ms |
6572 KB |
Output is correct |
7 |
Correct |
19 ms |
6480 KB |
Output is correct |
8 |
Correct |
19 ms |
6604 KB |
Output is correct |
9 |
Correct |
19 ms |
6604 KB |
Output is correct |
10 |
Correct |
19 ms |
6632 KB |
Output is correct |
11 |
Correct |
20 ms |
6860 KB |
Output is correct |
12 |
Correct |
24 ms |
9824 KB |
Output is correct |
13 |
Correct |
26 ms |
9780 KB |
Output is correct |
14 |
Correct |
20 ms |
6720 KB |
Output is correct |
15 |
Correct |
20 ms |
6716 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
6580 KB |
Output is correct |
2 |
Correct |
23 ms |
6572 KB |
Output is correct |
3 |
Correct |
19 ms |
6604 KB |
Output is correct |
4 |
Correct |
21 ms |
6568 KB |
Output is correct |
5 |
Correct |
21 ms |
6572 KB |
Output is correct |
6 |
Correct |
19 ms |
6476 KB |
Output is correct |
7 |
Correct |
19 ms |
6568 KB |
Output is correct |
8 |
Correct |
19 ms |
6572 KB |
Output is correct |
9 |
Correct |
19 ms |
6580 KB |
Output is correct |
10 |
Correct |
20 ms |
6628 KB |
Output is correct |
11 |
Correct |
20 ms |
6860 KB |
Output is correct |
12 |
Correct |
24 ms |
9792 KB |
Output is correct |
13 |
Correct |
25 ms |
9764 KB |
Output is correct |
14 |
Correct |
20 ms |
6732 KB |
Output is correct |
15 |
Correct |
20 ms |
6720 KB |
Output is correct |
16 |
Correct |
20 ms |
6704 KB |
Output is correct |
17 |
Correct |
20 ms |
7116 KB |
Output is correct |
18 |
Correct |
20 ms |
6732 KB |
Output is correct |
19 |
Correct |
20 ms |
6684 KB |
Output is correct |
20 |
Correct |
91 ms |
70732 KB |
Output is correct |
21 |
Correct |
20 ms |
6624 KB |
Output is correct |
22 |
Correct |
20 ms |
6700 KB |
Output is correct |
23 |
Correct |
20 ms |
6716 KB |
Output is correct |
24 |
Correct |
21 ms |
6860 KB |
Output is correct |
25 |
Correct |
20 ms |
6732 KB |
Output is correct |
26 |
Correct |
122 ms |
71048 KB |
Output is correct |
27 |
Correct |
109 ms |
70832 KB |
Output is correct |
28 |
Correct |
20 ms |
6988 KB |
Output is correct |
29 |
Correct |
21 ms |
8012 KB |
Output is correct |
30 |
Correct |
20 ms |
6988 KB |
Output is correct |
31 |
Correct |
20 ms |
7372 KB |
Output is correct |
32 |
Correct |
20 ms |
7064 KB |
Output is correct |
33 |
Correct |
24 ms |
9160 KB |
Output is correct |
34 |
Correct |
23 ms |
9108 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
6604 KB |
Output is correct |
2 |
Correct |
20 ms |
6576 KB |
Output is correct |
3 |
Correct |
19 ms |
6576 KB |
Output is correct |
4 |
Correct |
20 ms |
6568 KB |
Output is correct |
5 |
Correct |
19 ms |
6576 KB |
Output is correct |
6 |
Correct |
19 ms |
6568 KB |
Output is correct |
7 |
Correct |
21 ms |
6576 KB |
Output is correct |
8 |
Correct |
22 ms |
6604 KB |
Output is correct |
9 |
Correct |
20 ms |
6604 KB |
Output is correct |
10 |
Correct |
20 ms |
6732 KB |
Output is correct |
11 |
Correct |
20 ms |
6828 KB |
Output is correct |
12 |
Correct |
25 ms |
9752 KB |
Output is correct |
13 |
Correct |
25 ms |
9796 KB |
Output is correct |
14 |
Correct |
20 ms |
6724 KB |
Output is correct |
15 |
Correct |
20 ms |
6732 KB |
Output is correct |
16 |
Correct |
19 ms |
6732 KB |
Output is correct |
17 |
Correct |
20 ms |
7072 KB |
Output is correct |
18 |
Correct |
19 ms |
6732 KB |
Output is correct |
19 |
Correct |
19 ms |
6684 KB |
Output is correct |
20 |
Correct |
90 ms |
70772 KB |
Output is correct |
21 |
Correct |
20 ms |
6636 KB |
Output is correct |
22 |
Correct |
20 ms |
6700 KB |
Output is correct |
23 |
Correct |
20 ms |
6720 KB |
Output is correct |
24 |
Correct |
21 ms |
6860 KB |
Output is correct |
25 |
Correct |
21 ms |
6752 KB |
Output is correct |
26 |
Correct |
113 ms |
71028 KB |
Output is correct |
27 |
Correct |
110 ms |
70908 KB |
Output is correct |
28 |
Correct |
24 ms |
7056 KB |
Output is correct |
29 |
Correct |
21 ms |
8012 KB |
Output is correct |
30 |
Correct |
20 ms |
6988 KB |
Output is correct |
31 |
Correct |
20 ms |
7320 KB |
Output is correct |
32 |
Correct |
20 ms |
7064 KB |
Output is correct |
33 |
Correct |
25 ms |
9240 KB |
Output is correct |
34 |
Correct |
24 ms |
9032 KB |
Output is correct |
35 |
Correct |
27 ms |
9980 KB |
Output is correct |
36 |
Correct |
21 ms |
6988 KB |
Output is correct |
37 |
Correct |
30 ms |
13184 KB |
Output is correct |
38 |
Correct |
31 ms |
11980 KB |
Output is correct |
39 |
Correct |
32 ms |
12340 KB |
Output is correct |
40 |
Correct |
32 ms |
12484 KB |
Output is correct |
41 |
Correct |
33 ms |
12196 KB |
Output is correct |
42 |
Runtime error |
252 ms |
262148 KB |
Execution killed with signal 9 |
43 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
6604 KB |
Output is correct |
2 |
Correct |
19 ms |
6568 KB |
Output is correct |
3 |
Correct |
19 ms |
6568 KB |
Output is correct |
4 |
Correct |
19 ms |
6564 KB |
Output is correct |
5 |
Correct |
19 ms |
6604 KB |
Output is correct |
6 |
Correct |
19 ms |
6572 KB |
Output is correct |
7 |
Correct |
19 ms |
6476 KB |
Output is correct |
8 |
Correct |
19 ms |
6588 KB |
Output is correct |
9 |
Correct |
19 ms |
6580 KB |
Output is correct |
10 |
Correct |
19 ms |
6604 KB |
Output is correct |
11 |
Correct |
21 ms |
6860 KB |
Output is correct |
12 |
Correct |
25 ms |
9832 KB |
Output is correct |
13 |
Correct |
28 ms |
9796 KB |
Output is correct |
14 |
Correct |
19 ms |
6732 KB |
Output is correct |
15 |
Correct |
20 ms |
6720 KB |
Output is correct |
16 |
Correct |
19 ms |
6732 KB |
Output is correct |
17 |
Correct |
20 ms |
7088 KB |
Output is correct |
18 |
Correct |
20 ms |
6732 KB |
Output is correct |
19 |
Correct |
19 ms |
6680 KB |
Output is correct |
20 |
Correct |
93 ms |
70880 KB |
Output is correct |
21 |
Correct |
20 ms |
6628 KB |
Output is correct |
22 |
Correct |
19 ms |
6700 KB |
Output is correct |
23 |
Correct |
20 ms |
6720 KB |
Output is correct |
24 |
Correct |
20 ms |
6860 KB |
Output is correct |
25 |
Correct |
20 ms |
6752 KB |
Output is correct |
26 |
Correct |
112 ms |
71028 KB |
Output is correct |
27 |
Correct |
110 ms |
70892 KB |
Output is correct |
28 |
Correct |
25 ms |
7072 KB |
Output is correct |
29 |
Correct |
22 ms |
8012 KB |
Output is correct |
30 |
Correct |
20 ms |
6988 KB |
Output is correct |
31 |
Correct |
20 ms |
7308 KB |
Output is correct |
32 |
Correct |
20 ms |
7116 KB |
Output is correct |
33 |
Correct |
22 ms |
9164 KB |
Output is correct |
34 |
Correct |
22 ms |
9096 KB |
Output is correct |
35 |
Correct |
28 ms |
9924 KB |
Output is correct |
36 |
Correct |
21 ms |
6988 KB |
Output is correct |
37 |
Correct |
31 ms |
13164 KB |
Output is correct |
38 |
Correct |
32 ms |
11972 KB |
Output is correct |
39 |
Correct |
35 ms |
12428 KB |
Output is correct |
40 |
Correct |
32 ms |
12480 KB |
Output is correct |
41 |
Correct |
32 ms |
12196 KB |
Output is correct |
42 |
Runtime error |
253 ms |
262148 KB |
Execution killed with signal 9 |
43 |
Halted |
0 ms |
0 KB |
- |