#include<bits/stdc++.h>
using namespace std;
long long graph[2001][2001];
int main(void){
int n,m;
int arr[30001][2];
cin >> n >> m;
for(int i=0;i<m;i++)
cin >> arr[i][0] >> arr[i][1];
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
graph[i][j]=10e13;
for(int i=0;i<m;i++){
for(int j=0;j<n;j++){
if(abs(arr[i][0]-j)%arr[i][1]==0){
graph[arr[i][0]][j]=min(graph[arr[i][0]][j],1LL*abs(arr[i][0]-j)/arr[i][1]);
}
}
}
long long dist[2001];
for(int i=0;i<n;i++)
dist[i]=10e14;
dist[arr[0][0]]=0;
priority_queue<pair<long long,int> >q;
q.push({0,arr[0][0]});
while(!q.empty()){
int cur=q.top().second;
long long curdist=-q.top().first;
q.pop();
for(int i=0;i<n;i++){
long long nxtdist=graph[cur][i];
if(curdist+nxtdist<dist[i]){
dist[i]=curdist+nxtdist;
q.push({-dist[i],i});
}
}
}
if(dist[arr[1][0]]>10e12)cout << -1;
else
cout << dist[arr[1][0]];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
460 KB |
Output is correct |
2 |
Correct |
1 ms |
460 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
5 ms |
460 KB |
Output is correct |
5 |
Correct |
1 ms |
588 KB |
Output is correct |
6 |
Correct |
1 ms |
588 KB |
Output is correct |
7 |
Correct |
1 ms |
588 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
460 KB |
Output is correct |
2 |
Correct |
0 ms |
460 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
1 ms |
460 KB |
Output is correct |
5 |
Correct |
1 ms |
588 KB |
Output is correct |
6 |
Correct |
1 ms |
588 KB |
Output is correct |
7 |
Correct |
1 ms |
588 KB |
Output is correct |
8 |
Correct |
1 ms |
716 KB |
Output is correct |
9 |
Correct |
1 ms |
716 KB |
Output is correct |
10 |
Correct |
2 ms |
972 KB |
Output is correct |
11 |
Correct |
3 ms |
972 KB |
Output is correct |
12 |
Correct |
4 ms |
972 KB |
Output is correct |
13 |
Correct |
4 ms |
972 KB |
Output is correct |
14 |
Correct |
3 ms |
972 KB |
Output is correct |
15 |
Correct |
3 ms |
972 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
460 KB |
Output is correct |
2 |
Correct |
0 ms |
460 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
1 ms |
460 KB |
Output is correct |
5 |
Correct |
1 ms |
588 KB |
Output is correct |
6 |
Correct |
1 ms |
588 KB |
Output is correct |
7 |
Correct |
1 ms |
588 KB |
Output is correct |
8 |
Correct |
1 ms |
588 KB |
Output is correct |
9 |
Correct |
1 ms |
716 KB |
Output is correct |
10 |
Correct |
1 ms |
972 KB |
Output is correct |
11 |
Correct |
3 ms |
984 KB |
Output is correct |
12 |
Correct |
4 ms |
972 KB |
Output is correct |
13 |
Correct |
4 ms |
972 KB |
Output is correct |
14 |
Correct |
3 ms |
972 KB |
Output is correct |
15 |
Correct |
3 ms |
972 KB |
Output is correct |
16 |
Correct |
2 ms |
1652 KB |
Output is correct |
17 |
Correct |
14 ms |
7824 KB |
Output is correct |
18 |
Correct |
27 ms |
27932 KB |
Output is correct |
19 |
Correct |
27 ms |
31820 KB |
Output is correct |
20 |
Correct |
79 ms |
31860 KB |
Output is correct |
21 |
Correct |
5 ms |
3276 KB |
Output is correct |
22 |
Correct |
26 ms |
28388 KB |
Output is correct |
23 |
Correct |
29 ms |
25584 KB |
Output is correct |
24 |
Correct |
53 ms |
30404 KB |
Output is correct |
25 |
Correct |
47 ms |
31992 KB |
Output is correct |
26 |
Correct |
75 ms |
31820 KB |
Output is correct |
27 |
Correct |
72 ms |
31852 KB |
Output is correct |
28 |
Correct |
50 ms |
31860 KB |
Output is correct |
29 |
Correct |
37 ms |
32000 KB |
Output is correct |
30 |
Correct |
27 ms |
31948 KB |
Output is correct |
31 |
Correct |
33 ms |
31996 KB |
Output is correct |
32 |
Correct |
30 ms |
31996 KB |
Output is correct |
33 |
Correct |
51 ms |
32048 KB |
Output is correct |
34 |
Correct |
52 ms |
31944 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
460 KB |
Output is correct |
2 |
Correct |
1 ms |
460 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
1 ms |
460 KB |
Output is correct |
5 |
Correct |
1 ms |
588 KB |
Output is correct |
6 |
Correct |
1 ms |
588 KB |
Output is correct |
7 |
Correct |
1 ms |
588 KB |
Output is correct |
8 |
Correct |
1 ms |
716 KB |
Output is correct |
9 |
Correct |
1 ms |
716 KB |
Output is correct |
10 |
Correct |
1 ms |
972 KB |
Output is correct |
11 |
Correct |
3 ms |
972 KB |
Output is correct |
12 |
Correct |
4 ms |
972 KB |
Output is correct |
13 |
Correct |
4 ms |
972 KB |
Output is correct |
14 |
Correct |
3 ms |
972 KB |
Output is correct |
15 |
Correct |
3 ms |
972 KB |
Output is correct |
16 |
Correct |
2 ms |
1612 KB |
Output is correct |
17 |
Correct |
15 ms |
7904 KB |
Output is correct |
18 |
Correct |
27 ms |
27908 KB |
Output is correct |
19 |
Correct |
27 ms |
31836 KB |
Output is correct |
20 |
Correct |
75 ms |
31900 KB |
Output is correct |
21 |
Correct |
5 ms |
3276 KB |
Output is correct |
22 |
Correct |
27 ms |
28492 KB |
Output is correct |
23 |
Correct |
28 ms |
25676 KB |
Output is correct |
24 |
Correct |
46 ms |
30308 KB |
Output is correct |
25 |
Correct |
51 ms |
31968 KB |
Output is correct |
26 |
Correct |
76 ms |
31852 KB |
Output is correct |
27 |
Correct |
73 ms |
31940 KB |
Output is correct |
28 |
Correct |
48 ms |
31852 KB |
Output is correct |
29 |
Correct |
36 ms |
32076 KB |
Output is correct |
30 |
Correct |
29 ms |
31996 KB |
Output is correct |
31 |
Correct |
33 ms |
32000 KB |
Output is correct |
32 |
Correct |
30 ms |
31880 KB |
Output is correct |
33 |
Correct |
52 ms |
32048 KB |
Output is correct |
34 |
Correct |
51 ms |
31976 KB |
Output is correct |
35 |
Correct |
235 ms |
22508 KB |
Output is correct |
36 |
Correct |
42 ms |
14276 KB |
Output is correct |
37 |
Correct |
252 ms |
31168 KB |
Output is correct |
38 |
Correct |
379 ms |
32212 KB |
Output is correct |
39 |
Correct |
380 ms |
32324 KB |
Output is correct |
40 |
Correct |
371 ms |
32236 KB |
Output is correct |
41 |
Correct |
379 ms |
32236 KB |
Output is correct |
42 |
Correct |
870 ms |
32056 KB |
Output is correct |
43 |
Correct |
842 ms |
32188 KB |
Output is correct |
44 |
Correct |
875 ms |
32060 KB |
Output is correct |
45 |
Correct |
394 ms |
32060 KB |
Output is correct |
46 |
Correct |
386 ms |
32064 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
460 KB |
Output is correct |
2 |
Correct |
0 ms |
460 KB |
Output is correct |
3 |
Correct |
1 ms |
488 KB |
Output is correct |
4 |
Correct |
1 ms |
460 KB |
Output is correct |
5 |
Correct |
1 ms |
460 KB |
Output is correct |
6 |
Correct |
1 ms |
588 KB |
Output is correct |
7 |
Correct |
1 ms |
588 KB |
Output is correct |
8 |
Correct |
1 ms |
716 KB |
Output is correct |
9 |
Correct |
1 ms |
716 KB |
Output is correct |
10 |
Correct |
1 ms |
972 KB |
Output is correct |
11 |
Correct |
3 ms |
972 KB |
Output is correct |
12 |
Correct |
4 ms |
972 KB |
Output is correct |
13 |
Correct |
4 ms |
972 KB |
Output is correct |
14 |
Correct |
3 ms |
972 KB |
Output is correct |
15 |
Correct |
3 ms |
972 KB |
Output is correct |
16 |
Correct |
2 ms |
1612 KB |
Output is correct |
17 |
Correct |
15 ms |
7828 KB |
Output is correct |
18 |
Correct |
28 ms |
27852 KB |
Output is correct |
19 |
Correct |
27 ms |
31872 KB |
Output is correct |
20 |
Correct |
78 ms |
31864 KB |
Output is correct |
21 |
Correct |
5 ms |
3404 KB |
Output is correct |
22 |
Correct |
25 ms |
28440 KB |
Output is correct |
23 |
Correct |
28 ms |
25584 KB |
Output is correct |
24 |
Correct |
46 ms |
30324 KB |
Output is correct |
25 |
Correct |
48 ms |
31888 KB |
Output is correct |
26 |
Correct |
76 ms |
31852 KB |
Output is correct |
27 |
Correct |
74 ms |
31864 KB |
Output is correct |
28 |
Correct |
47 ms |
31820 KB |
Output is correct |
29 |
Correct |
36 ms |
32004 KB |
Output is correct |
30 |
Correct |
27 ms |
31996 KB |
Output is correct |
31 |
Correct |
32 ms |
31940 KB |
Output is correct |
32 |
Correct |
30 ms |
31864 KB |
Output is correct |
33 |
Correct |
56 ms |
31996 KB |
Output is correct |
34 |
Correct |
52 ms |
32012 KB |
Output is correct |
35 |
Correct |
231 ms |
22596 KB |
Output is correct |
36 |
Correct |
42 ms |
14248 KB |
Output is correct |
37 |
Correct |
252 ms |
31168 KB |
Output is correct |
38 |
Correct |
381 ms |
32208 KB |
Output is correct |
39 |
Correct |
372 ms |
32324 KB |
Output is correct |
40 |
Correct |
374 ms |
32240 KB |
Output is correct |
41 |
Correct |
372 ms |
32324 KB |
Output is correct |
42 |
Correct |
855 ms |
32060 KB |
Output is correct |
43 |
Correct |
839 ms |
32068 KB |
Output is correct |
44 |
Correct |
864 ms |
32060 KB |
Output is correct |
45 |
Correct |
384 ms |
32076 KB |
Output is correct |
46 |
Correct |
384 ms |
32076 KB |
Output is correct |
47 |
Runtime error |
70 ms |
64580 KB |
Execution killed with signal 11 |
48 |
Halted |
0 ms |
0 KB |
- |