#include <bits/stdc++.h>
using namespace std;
vector<vector<pair<int,int>>> adjlist;
int INF = 1e9;
int main(){
cin.tie(0);
ios_base::sync_with_stdio(0);
int k,n,m,o;
cin>>k>>n>>m>>o;
adjlist.resize((n/k)*k+k);
for (int i = 0; i<m; i++){
int a,b,t;
cin>>a>>b>>t;
adjlist[b].push_back({a,t});
}
unordered_set<int> from;
vector<vector<int>> addat(n/k+1);
//vector<vector<vector<int>>> distfrom(2,vector<vector<int>>(n,vector<int>(k,INF)));
int distfrom[2][6][50000];
for (int i = 0; i<2; i++){
for (int x = 0; x<k; x++){
for (int j = 0; j<n; j++){
distfrom[i][x][j]=INF;
}
}
}
vector<vector<pair<int,int>>> to(n);
int fromcnt[50000]={0};
int ans[10000];
for (int i = 0; i<o; i++){
int a,b;
cin>>a>>b;
ans[i]=-1;
//from.push_back(a);
addat[a/k].push_back(a);
to[b].push_back({a,i});
fromcnt[a]++;
}
//sort(from.begin(),from.end());
//from.erase(unique(from.begin(),from.end()),from.end());
bool curr = 0;
for (int i = 1; i<=(n/k+1); i++){
//cout<<i<<endl;
for (int x : addat[i-1]){
distfrom[!curr][x%k][x]=0;
from.insert(x);
}
for (int j = 0; j<k; j++){
int ikj = i*k+j;
if (ikj>=n){break;}
for (int nf : from){
distfrom[curr][j][nf]=INF;
for (auto p : adjlist[ikj]){
distfrom[curr][j][nf]=min(distfrom[curr][j][nf],distfrom[!curr][p.first%k][nf]+p.second);
}
}
for (auto p : to[ikj]){
if (distfrom[curr][j][p.first]!=INF){
ans[p.second]=distfrom[curr][j][p.first];
}
fromcnt[p.first]--;
if (fromcnt[p.first]==0){
from.erase(p.first);
}
}
}
curr=!curr;
}
for (int i = 0; i<o; i++){
cout<<ans[i]<<'\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1495 ms |
7048 KB |
Output is correct |
2 |
Correct |
5 ms |
512 KB |
Output is correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
5 ms |
512 KB |
Output is correct |
5 |
Correct |
7 ms |
768 KB |
Output is correct |
6 |
Correct |
7 ms |
768 KB |
Output is correct |
7 |
Correct |
7 ms |
768 KB |
Output is correct |
8 |
Correct |
1480 ms |
6988 KB |
Output is correct |
9 |
Correct |
1436 ms |
6908 KB |
Output is correct |
10 |
Correct |
1239 ms |
5420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
52 ms |
6264 KB |
Output is correct |
2 |
Correct |
5 ms |
512 KB |
Output is correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
5 ms |
640 KB |
Output is correct |
5 |
Correct |
5 ms |
512 KB |
Output is correct |
6 |
Correct |
5 ms |
512 KB |
Output is correct |
7 |
Correct |
8 ms |
896 KB |
Output is correct |
8 |
Correct |
9 ms |
1024 KB |
Output is correct |
9 |
Correct |
30 ms |
6400 KB |
Output is correct |
10 |
Correct |
74 ms |
7160 KB |
Output is correct |
11 |
Correct |
49 ms |
6264 KB |
Output is correct |
12 |
Correct |
38 ms |
6392 KB |
Output is correct |
13 |
Correct |
62 ms |
6136 KB |
Output is correct |
14 |
Correct |
40 ms |
4736 KB |
Output is correct |
15 |
Correct |
38 ms |
4728 KB |
Output is correct |
16 |
Correct |
35 ms |
4736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
640 KB |
Output is correct |
2 |
Correct |
5 ms |
512 KB |
Output is correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
5 ms |
512 KB |
Output is correct |
5 |
Correct |
5 ms |
512 KB |
Output is correct |
6 |
Correct |
5 ms |
640 KB |
Output is correct |
7 |
Correct |
6 ms |
640 KB |
Output is correct |
8 |
Correct |
7 ms |
768 KB |
Output is correct |
9 |
Correct |
7 ms |
768 KB |
Output is correct |
10 |
Correct |
42 ms |
6016 KB |
Output is correct |
11 |
Correct |
72 ms |
5880 KB |
Output is correct |
12 |
Correct |
107 ms |
7032 KB |
Output is correct |
13 |
Correct |
106 ms |
7416 KB |
Output is correct |
14 |
Correct |
79 ms |
6520 KB |
Output is correct |
15 |
Correct |
53 ms |
4608 KB |
Output is correct |
16 |
Correct |
50 ms |
4608 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
640 KB |
Output is correct |
2 |
Correct |
5 ms |
512 KB |
Output is correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
5 ms |
512 KB |
Output is correct |
5 |
Correct |
5 ms |
512 KB |
Output is correct |
6 |
Correct |
5 ms |
640 KB |
Output is correct |
7 |
Correct |
6 ms |
640 KB |
Output is correct |
8 |
Correct |
7 ms |
768 KB |
Output is correct |
9 |
Correct |
7 ms |
768 KB |
Output is correct |
10 |
Correct |
42 ms |
6016 KB |
Output is correct |
11 |
Correct |
72 ms |
5880 KB |
Output is correct |
12 |
Correct |
107 ms |
7032 KB |
Output is correct |
13 |
Correct |
106 ms |
7416 KB |
Output is correct |
14 |
Correct |
79 ms |
6520 KB |
Output is correct |
15 |
Correct |
53 ms |
4608 KB |
Output is correct |
16 |
Correct |
50 ms |
4608 KB |
Output is correct |
17 |
Correct |
766 ms |
6264 KB |
Output is correct |
18 |
Correct |
5 ms |
512 KB |
Output is correct |
19 |
Correct |
5 ms |
512 KB |
Output is correct |
20 |
Correct |
5 ms |
512 KB |
Output is correct |
21 |
Correct |
5 ms |
512 KB |
Output is correct |
22 |
Correct |
5 ms |
640 KB |
Output is correct |
23 |
Correct |
9 ms |
768 KB |
Output is correct |
24 |
Correct |
11 ms |
768 KB |
Output is correct |
25 |
Correct |
17 ms |
896 KB |
Output is correct |
26 |
Correct |
15 ms |
768 KB |
Output is correct |
27 |
Correct |
475 ms |
6392 KB |
Output is correct |
28 |
Correct |
1114 ms |
7044 KB |
Output is correct |
29 |
Correct |
1223 ms |
7428 KB |
Output is correct |
30 |
Correct |
937 ms |
6652 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1495 ms |
7048 KB |
Output is correct |
2 |
Correct |
5 ms |
512 KB |
Output is correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
5 ms |
512 KB |
Output is correct |
5 |
Correct |
7 ms |
768 KB |
Output is correct |
6 |
Correct |
7 ms |
768 KB |
Output is correct |
7 |
Correct |
7 ms |
768 KB |
Output is correct |
8 |
Correct |
1480 ms |
6988 KB |
Output is correct |
9 |
Correct |
1436 ms |
6908 KB |
Output is correct |
10 |
Correct |
1239 ms |
5420 KB |
Output is correct |
11 |
Correct |
52 ms |
6264 KB |
Output is correct |
12 |
Correct |
5 ms |
512 KB |
Output is correct |
13 |
Correct |
5 ms |
512 KB |
Output is correct |
14 |
Correct |
5 ms |
640 KB |
Output is correct |
15 |
Correct |
5 ms |
512 KB |
Output is correct |
16 |
Correct |
5 ms |
512 KB |
Output is correct |
17 |
Correct |
8 ms |
896 KB |
Output is correct |
18 |
Correct |
9 ms |
1024 KB |
Output is correct |
19 |
Correct |
30 ms |
6400 KB |
Output is correct |
20 |
Correct |
74 ms |
7160 KB |
Output is correct |
21 |
Correct |
49 ms |
6264 KB |
Output is correct |
22 |
Correct |
38 ms |
6392 KB |
Output is correct |
23 |
Correct |
62 ms |
6136 KB |
Output is correct |
24 |
Correct |
40 ms |
4736 KB |
Output is correct |
25 |
Correct |
38 ms |
4728 KB |
Output is correct |
26 |
Correct |
35 ms |
4736 KB |
Output is correct |
27 |
Correct |
5 ms |
640 KB |
Output is correct |
28 |
Correct |
5 ms |
512 KB |
Output is correct |
29 |
Correct |
5 ms |
512 KB |
Output is correct |
30 |
Correct |
5 ms |
512 KB |
Output is correct |
31 |
Correct |
5 ms |
512 KB |
Output is correct |
32 |
Correct |
5 ms |
640 KB |
Output is correct |
33 |
Correct |
6 ms |
640 KB |
Output is correct |
34 |
Correct |
7 ms |
768 KB |
Output is correct |
35 |
Correct |
7 ms |
768 KB |
Output is correct |
36 |
Correct |
42 ms |
6016 KB |
Output is correct |
37 |
Correct |
72 ms |
5880 KB |
Output is correct |
38 |
Correct |
107 ms |
7032 KB |
Output is correct |
39 |
Correct |
106 ms |
7416 KB |
Output is correct |
40 |
Correct |
79 ms |
6520 KB |
Output is correct |
41 |
Correct |
53 ms |
4608 KB |
Output is correct |
42 |
Correct |
50 ms |
4608 KB |
Output is correct |
43 |
Correct |
766 ms |
6264 KB |
Output is correct |
44 |
Correct |
5 ms |
512 KB |
Output is correct |
45 |
Correct |
5 ms |
512 KB |
Output is correct |
46 |
Correct |
5 ms |
512 KB |
Output is correct |
47 |
Correct |
5 ms |
512 KB |
Output is correct |
48 |
Correct |
5 ms |
640 KB |
Output is correct |
49 |
Correct |
9 ms |
768 KB |
Output is correct |
50 |
Correct |
11 ms |
768 KB |
Output is correct |
51 |
Correct |
17 ms |
896 KB |
Output is correct |
52 |
Correct |
15 ms |
768 KB |
Output is correct |
53 |
Correct |
475 ms |
6392 KB |
Output is correct |
54 |
Correct |
1114 ms |
7044 KB |
Output is correct |
55 |
Correct |
1223 ms |
7428 KB |
Output is correct |
56 |
Correct |
937 ms |
6652 KB |
Output is correct |
57 |
Execution timed out |
3044 ms |
8312 KB |
Time limit exceeded |
58 |
Halted |
0 ms |
0 KB |
- |