#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
#define x first
#define y second
#define elif else if
#define endl '\n'
#define all(x) begin(x), end(x)
#define k 100
template <typename T>
ostream& operator << (ostream& os, const vector<T>& a) {
os << '[';
bool E = false;
for(const T& x : a) {
if(E) os << ' ';
os << x;
E = true;
}
return os << ']';
}
int n,m;
int b[30069],p[30069];
bool done[30069];
set<pair<int,int>> st;
vector<int> grph[30069];
priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> pq;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cin>>n>>m;
for (int i = 0; i < m; i++) {
cin>>b[i]>>p[i];
grph[b[i]].push_back(p[i]);
}
pq.push({0,b[0]});
while (pq.size()) {
auto temp=pq.top();
pq.pop();
if (done[temp.s]) {
continue;
}
done[temp.s]=true;
if (temp.s==b[1]) {
cout<<temp.f<<endl;
return 0;
}
for (int i:grph[temp.s]) {
if (st.find({temp.s%i,i})!=st.end()) {
continue;
}
st.insert({temp.s%i,i});
for (int j = temp.s%i; j < n; j+=i) {
pq.push({temp.f+abs(j-temp.s)/i,j});
}
}
}
cout<<-1<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
972 KB |
Output is correct |
2 |
Correct |
1 ms |
972 KB |
Output is correct |
3 |
Correct |
1 ms |
972 KB |
Output is correct |
4 |
Correct |
1 ms |
972 KB |
Output is correct |
5 |
Correct |
1 ms |
972 KB |
Output is correct |
6 |
Correct |
1 ms |
972 KB |
Output is correct |
7 |
Correct |
1 ms |
972 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1032 KB |
Output is correct |
2 |
Correct |
1 ms |
972 KB |
Output is correct |
3 |
Correct |
1 ms |
972 KB |
Output is correct |
4 |
Correct |
1 ms |
972 KB |
Output is correct |
5 |
Correct |
1 ms |
972 KB |
Output is correct |
6 |
Correct |
1 ms |
1028 KB |
Output is correct |
7 |
Correct |
1 ms |
972 KB |
Output is correct |
8 |
Correct |
1 ms |
972 KB |
Output is correct |
9 |
Correct |
1 ms |
1036 KB |
Output is correct |
10 |
Correct |
1 ms |
972 KB |
Output is correct |
11 |
Correct |
1 ms |
972 KB |
Output is correct |
12 |
Correct |
1 ms |
972 KB |
Output is correct |
13 |
Correct |
1 ms |
972 KB |
Output is correct |
14 |
Correct |
3 ms |
1168 KB |
Output is correct |
15 |
Correct |
2 ms |
1100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
972 KB |
Output is correct |
2 |
Correct |
1 ms |
1100 KB |
Output is correct |
3 |
Correct |
1 ms |
972 KB |
Output is correct |
4 |
Correct |
1 ms |
972 KB |
Output is correct |
5 |
Correct |
1 ms |
972 KB |
Output is correct |
6 |
Correct |
1 ms |
972 KB |
Output is correct |
7 |
Correct |
1 ms |
972 KB |
Output is correct |
8 |
Correct |
1 ms |
972 KB |
Output is correct |
9 |
Correct |
1 ms |
1032 KB |
Output is correct |
10 |
Correct |
1 ms |
972 KB |
Output is correct |
11 |
Correct |
1 ms |
972 KB |
Output is correct |
12 |
Correct |
1 ms |
972 KB |
Output is correct |
13 |
Correct |
1 ms |
1040 KB |
Output is correct |
14 |
Correct |
3 ms |
1100 KB |
Output is correct |
15 |
Correct |
2 ms |
1100 KB |
Output is correct |
16 |
Correct |
1 ms |
1032 KB |
Output is correct |
17 |
Correct |
2 ms |
1228 KB |
Output is correct |
18 |
Correct |
1 ms |
972 KB |
Output is correct |
19 |
Correct |
1 ms |
972 KB |
Output is correct |
20 |
Correct |
2 ms |
1176 KB |
Output is correct |
21 |
Correct |
1 ms |
972 KB |
Output is correct |
22 |
Correct |
1 ms |
972 KB |
Output is correct |
23 |
Correct |
2 ms |
1040 KB |
Output is correct |
24 |
Correct |
3 ms |
1240 KB |
Output is correct |
25 |
Correct |
2 ms |
1100 KB |
Output is correct |
26 |
Correct |
2 ms |
1100 KB |
Output is correct |
27 |
Correct |
2 ms |
1100 KB |
Output is correct |
28 |
Correct |
3 ms |
1228 KB |
Output is correct |
29 |
Correct |
11 ms |
1620 KB |
Output is correct |
30 |
Correct |
4 ms |
1228 KB |
Output is correct |
31 |
Correct |
6 ms |
1372 KB |
Output is correct |
32 |
Correct |
5 ms |
1228 KB |
Output is correct |
33 |
Correct |
23 ms |
2252 KB |
Output is correct |
34 |
Correct |
15 ms |
2196 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
972 KB |
Output is correct |
2 |
Correct |
1 ms |
972 KB |
Output is correct |
3 |
Correct |
1 ms |
1036 KB |
Output is correct |
4 |
Correct |
1 ms |
972 KB |
Output is correct |
5 |
Correct |
1 ms |
1028 KB |
Output is correct |
6 |
Correct |
1 ms |
972 KB |
Output is correct |
7 |
Correct |
1 ms |
972 KB |
Output is correct |
8 |
Correct |
1 ms |
1036 KB |
Output is correct |
9 |
Correct |
1 ms |
972 KB |
Output is correct |
10 |
Correct |
1 ms |
976 KB |
Output is correct |
11 |
Correct |
1 ms |
972 KB |
Output is correct |
12 |
Correct |
1 ms |
972 KB |
Output is correct |
13 |
Correct |
1 ms |
972 KB |
Output is correct |
14 |
Correct |
3 ms |
1100 KB |
Output is correct |
15 |
Correct |
2 ms |
1100 KB |
Output is correct |
16 |
Correct |
1 ms |
972 KB |
Output is correct |
17 |
Correct |
3 ms |
1228 KB |
Output is correct |
18 |
Correct |
1 ms |
1036 KB |
Output is correct |
19 |
Correct |
1 ms |
972 KB |
Output is correct |
20 |
Correct |
2 ms |
1100 KB |
Output is correct |
21 |
Correct |
1 ms |
972 KB |
Output is correct |
22 |
Correct |
1 ms |
972 KB |
Output is correct |
23 |
Correct |
2 ms |
1100 KB |
Output is correct |
24 |
Correct |
3 ms |
1228 KB |
Output is correct |
25 |
Correct |
2 ms |
1100 KB |
Output is correct |
26 |
Correct |
2 ms |
1100 KB |
Output is correct |
27 |
Correct |
2 ms |
1100 KB |
Output is correct |
28 |
Correct |
3 ms |
1172 KB |
Output is correct |
29 |
Correct |
11 ms |
1620 KB |
Output is correct |
30 |
Correct |
4 ms |
1228 KB |
Output is correct |
31 |
Correct |
8 ms |
1372 KB |
Output is correct |
32 |
Correct |
5 ms |
1228 KB |
Output is correct |
33 |
Correct |
23 ms |
2208 KB |
Output is correct |
34 |
Correct |
15 ms |
2252 KB |
Output is correct |
35 |
Correct |
22 ms |
3212 KB |
Output is correct |
36 |
Correct |
3 ms |
1228 KB |
Output is correct |
37 |
Correct |
16 ms |
2792 KB |
Output is correct |
38 |
Correct |
14 ms |
2504 KB |
Output is correct |
39 |
Correct |
7 ms |
1740 KB |
Output is correct |
40 |
Correct |
8 ms |
1740 KB |
Output is correct |
41 |
Correct |
10 ms |
2124 KB |
Output is correct |
42 |
Correct |
6 ms |
1612 KB |
Output is correct |
43 |
Correct |
6 ms |
1680 KB |
Output is correct |
44 |
Correct |
6 ms |
1616 KB |
Output is correct |
45 |
Correct |
108 ms |
6460 KB |
Output is correct |
46 |
Correct |
74 ms |
6496 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
972 KB |
Output is correct |
2 |
Correct |
1 ms |
972 KB |
Output is correct |
3 |
Correct |
1 ms |
972 KB |
Output is correct |
4 |
Correct |
1 ms |
972 KB |
Output is correct |
5 |
Correct |
1 ms |
972 KB |
Output is correct |
6 |
Correct |
1 ms |
972 KB |
Output is correct |
7 |
Correct |
1 ms |
972 KB |
Output is correct |
8 |
Correct |
1 ms |
972 KB |
Output is correct |
9 |
Correct |
1 ms |
972 KB |
Output is correct |
10 |
Correct |
2 ms |
972 KB |
Output is correct |
11 |
Correct |
1 ms |
972 KB |
Output is correct |
12 |
Correct |
1 ms |
972 KB |
Output is correct |
13 |
Correct |
1 ms |
972 KB |
Output is correct |
14 |
Correct |
3 ms |
1100 KB |
Output is correct |
15 |
Correct |
2 ms |
1148 KB |
Output is correct |
16 |
Correct |
1 ms |
972 KB |
Output is correct |
17 |
Correct |
2 ms |
1228 KB |
Output is correct |
18 |
Correct |
1 ms |
972 KB |
Output is correct |
19 |
Correct |
1 ms |
972 KB |
Output is correct |
20 |
Correct |
2 ms |
1100 KB |
Output is correct |
21 |
Correct |
1 ms |
972 KB |
Output is correct |
22 |
Correct |
1 ms |
1040 KB |
Output is correct |
23 |
Correct |
2 ms |
1100 KB |
Output is correct |
24 |
Correct |
4 ms |
1228 KB |
Output is correct |
25 |
Correct |
2 ms |
1100 KB |
Output is correct |
26 |
Correct |
2 ms |
1100 KB |
Output is correct |
27 |
Correct |
2 ms |
1100 KB |
Output is correct |
28 |
Correct |
3 ms |
1228 KB |
Output is correct |
29 |
Correct |
11 ms |
1620 KB |
Output is correct |
30 |
Correct |
3 ms |
1228 KB |
Output is correct |
31 |
Correct |
6 ms |
1372 KB |
Output is correct |
32 |
Correct |
5 ms |
1292 KB |
Output is correct |
33 |
Correct |
23 ms |
2252 KB |
Output is correct |
34 |
Correct |
15 ms |
2252 KB |
Output is correct |
35 |
Correct |
21 ms |
3132 KB |
Output is correct |
36 |
Correct |
3 ms |
1168 KB |
Output is correct |
37 |
Correct |
15 ms |
2748 KB |
Output is correct |
38 |
Correct |
13 ms |
2448 KB |
Output is correct |
39 |
Correct |
8 ms |
1612 KB |
Output is correct |
40 |
Correct |
8 ms |
1784 KB |
Output is correct |
41 |
Correct |
10 ms |
2144 KB |
Output is correct |
42 |
Correct |
6 ms |
1612 KB |
Output is correct |
43 |
Correct |
7 ms |
1684 KB |
Output is correct |
44 |
Correct |
6 ms |
1612 KB |
Output is correct |
45 |
Correct |
109 ms |
6552 KB |
Output is correct |
46 |
Correct |
73 ms |
6524 KB |
Output is correct |
47 |
Correct |
25 ms |
6196 KB |
Output is correct |
48 |
Correct |
8 ms |
1792 KB |
Output is correct |
49 |
Correct |
7 ms |
1740 KB |
Output is correct |
50 |
Correct |
5 ms |
1616 KB |
Output is correct |
51 |
Correct |
33 ms |
4716 KB |
Output is correct |
52 |
Correct |
34 ms |
4492 KB |
Output is correct |
53 |
Correct |
12 ms |
2124 KB |
Output is correct |
54 |
Correct |
3 ms |
1228 KB |
Output is correct |
55 |
Correct |
4 ms |
1288 KB |
Output is correct |
56 |
Correct |
12 ms |
2580 KB |
Output is correct |
57 |
Correct |
4 ms |
2244 KB |
Output is correct |
58 |
Correct |
12 ms |
2232 KB |
Output is correct |
59 |
Correct |
11 ms |
1740 KB |
Output is correct |
60 |
Correct |
11 ms |
1740 KB |
Output is correct |
61 |
Correct |
11 ms |
1724 KB |
Output is correct |
62 |
Correct |
44 ms |
3872 KB |
Output is correct |
63 |
Correct |
517 ms |
10476 KB |
Output is correct |
64 |
Correct |
658 ms |
10672 KB |
Output is correct |
65 |
Execution timed out |
1089 ms |
35504 KB |
Time limit exceeded |
66 |
Halted |
0 ms |
0 KB |
- |