//Ye Rooz Khoob Miad ???
#include<bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define all(x) x.begin(), x.end()
#define sz(x) (int) (x).size
using namespace std;
typedef long long ll;
const int N = 3e5 + 10;
const int Inf = 1'061'109'567;
vector<int> In[N];
bool mark[N];
int n, m, B[N], P[N], D[N];
int main(){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n >> m;
for(int i = 0; i < m; i++) {
cin >> B[i] >> P[i];
In[B[i]].pb(P[i]);
}
priority_queue<pair<int, int>> PQ;
memset(D, 63, sizeof D);
D[B[0]] = 0;
PQ.push({0, B[0]});
while(!PQ.empty()) {
int a = PQ.top().S;
PQ.pop();
if(mark[a]) continue;
mark[a] = true;
In[a].resize(distance(In[a].begin(), unique(all(In[a]))));
for(int x : In[a]) {
for(int i = a; i < n; i += x) {
if(D[i] > D[a] + (i - a) / x) {
D[i] = D[a] + (i - a) / x;
PQ.push({-D[i], i});
}
}
for(int i = a; i >= 0; i -= x) {
if(D[i] > D[a] + (a - i) / x) {
D[i] = D[a] + (a - i) / x;
PQ.push({-D[i], i});
}
}
}
}
cout << (D[B[1]] == Inf ? -1 : D[B[1]]);
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
8532 KB |
Output is correct |
| 2 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 3 |
Correct |
4 ms |
8504 KB |
Output is correct |
| 4 |
Correct |
4 ms |
8460 KB |
Output is correct |
| 5 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 6 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 7 |
Correct |
4 ms |
8532 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 2 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 3 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 4 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 5 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 6 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 7 |
Correct |
5 ms |
8500 KB |
Output is correct |
| 8 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 9 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 10 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 11 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 12 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 13 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 14 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 15 |
Correct |
4 ms |
8532 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 2 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 3 |
Correct |
4 ms |
8472 KB |
Output is correct |
| 4 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 5 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 6 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 7 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 8 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 9 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 10 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 11 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 12 |
Correct |
5 ms |
8544 KB |
Output is correct |
| 13 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 14 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 15 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 16 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 17 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 18 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 19 |
Correct |
5 ms |
8560 KB |
Output is correct |
| 20 |
Correct |
28 ms |
8660 KB |
Output is correct |
| 21 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 22 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 23 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 24 |
Correct |
5 ms |
8544 KB |
Output is correct |
| 25 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 26 |
Correct |
5 ms |
8496 KB |
Output is correct |
| 27 |
Correct |
6 ms |
8532 KB |
Output is correct |
| 28 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 29 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 30 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 31 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 32 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 33 |
Correct |
6 ms |
8660 KB |
Output is correct |
| 34 |
Correct |
6 ms |
8788 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 2 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 3 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 4 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 5 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 6 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 7 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 8 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 9 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 10 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 11 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 12 |
Correct |
6 ms |
8496 KB |
Output is correct |
| 13 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 14 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 15 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 16 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 17 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 18 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 19 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 20 |
Correct |
28 ms |
8672 KB |
Output is correct |
| 21 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 22 |
Correct |
5 ms |
8508 KB |
Output is correct |
| 23 |
Correct |
5 ms |
8612 KB |
Output is correct |
| 24 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 25 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 26 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 27 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 28 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 29 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 30 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 31 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 32 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 33 |
Correct |
6 ms |
8660 KB |
Output is correct |
| 34 |
Correct |
6 ms |
8660 KB |
Output is correct |
| 35 |
Correct |
10 ms |
8968 KB |
Output is correct |
| 36 |
Correct |
6 ms |
8660 KB |
Output is correct |
| 37 |
Correct |
10 ms |
8916 KB |
Output is correct |
| 38 |
Correct |
12 ms |
9132 KB |
Output is correct |
| 39 |
Correct |
12 ms |
9044 KB |
Output is correct |
| 40 |
Correct |
14 ms |
9092 KB |
Output is correct |
| 41 |
Correct |
11 ms |
9128 KB |
Output is correct |
| 42 |
Correct |
8 ms |
9044 KB |
Output is correct |
| 43 |
Correct |
8 ms |
8916 KB |
Output is correct |
| 44 |
Correct |
33 ms |
8904 KB |
Output is correct |
| 45 |
Correct |
11 ms |
9124 KB |
Output is correct |
| 46 |
Correct |
12 ms |
9044 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
8512 KB |
Output is correct |
| 2 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 3 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 4 |
Correct |
4 ms |
8444 KB |
Output is correct |
| 5 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 6 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 7 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 8 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 9 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 10 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 11 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 12 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 13 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 14 |
Correct |
5 ms |
8512 KB |
Output is correct |
| 15 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 16 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 17 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 18 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 19 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 20 |
Correct |
29 ms |
8660 KB |
Output is correct |
| 21 |
Correct |
4 ms |
8532 KB |
Output is correct |
| 22 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 23 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 24 |
Correct |
5 ms |
8612 KB |
Output is correct |
| 25 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 26 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 27 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 28 |
Correct |
5 ms |
8532 KB |
Output is correct |
| 29 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 30 |
Correct |
5 ms |
8656 KB |
Output is correct |
| 31 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 32 |
Correct |
5 ms |
8660 KB |
Output is correct |
| 33 |
Correct |
6 ms |
8660 KB |
Output is correct |
| 34 |
Correct |
6 ms |
8724 KB |
Output is correct |
| 35 |
Correct |
10 ms |
9048 KB |
Output is correct |
| 36 |
Correct |
6 ms |
8660 KB |
Output is correct |
| 37 |
Correct |
10 ms |
8940 KB |
Output is correct |
| 38 |
Correct |
11 ms |
9044 KB |
Output is correct |
| 39 |
Correct |
11 ms |
9044 KB |
Output is correct |
| 40 |
Correct |
11 ms |
9044 KB |
Output is correct |
| 41 |
Correct |
11 ms |
9124 KB |
Output is correct |
| 42 |
Correct |
8 ms |
8924 KB |
Output is correct |
| 43 |
Correct |
8 ms |
9044 KB |
Output is correct |
| 44 |
Correct |
32 ms |
8916 KB |
Output is correct |
| 45 |
Correct |
11 ms |
9032 KB |
Output is correct |
| 46 |
Correct |
12 ms |
9008 KB |
Output is correct |
| 47 |
Correct |
21 ms |
9680 KB |
Output is correct |
| 48 |
Correct |
9 ms |
9172 KB |
Output is correct |
| 49 |
Correct |
9 ms |
9124 KB |
Output is correct |
| 50 |
Correct |
8 ms |
9044 KB |
Output is correct |
| 51 |
Correct |
28 ms |
10572 KB |
Output is correct |
| 52 |
Correct |
26 ms |
10052 KB |
Output is correct |
| 53 |
Correct |
18 ms |
10064 KB |
Output is correct |
| 54 |
Correct |
6 ms |
8816 KB |
Output is correct |
| 55 |
Correct |
6 ms |
8788 KB |
Output is correct |
| 56 |
Execution timed out |
1085 ms |
10084 KB |
Time limit exceeded |
| 57 |
Halted |
0 ms |
0 KB |
- |
