#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});
}
vector<int> from;
vector<vector<int>> addat(n/k+1);
vector<vector<vector<int>>> distfrom(2,vector<vector<int>>(n,vector<int>(k,INF)));
vector<vector<pair<int,int>>> to(n);
vector<int> ans(o,-1);
for (int i = 0; i<o; i++){
int a,b;
cin>>a>>b;
from.push_back(a);
addat[a/k].push_back(a);
to[b].push_back({a,i});
}
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][x%k]=0;
}
for (int j = 0; j<k; j++){
if (i*k+j>=n){break;}
for (int nf : from){
distfrom[curr][nf][j]=INF;
for (auto p : adjlist[i*k+j]){
distfrom[curr][nf][j]=min(distfrom[curr][nf][j],distfrom[!curr][nf][p.first%k]+p.second);
}
}
for (auto p : to[i*k+j]){
if (distfrom[curr][p.first][j]!=INF){
ans[p.second]=distfrom[curr][p.first][j];
}
}
}
curr=!curr;
}
for (int i = 0; i<o; i++){
cout<<ans[i]<<'\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3069 ms |
13432 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
58 ms |
13560 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
392 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
8 ms |
1024 KB |
Output is correct |
8 |
Correct |
9 ms |
1024 KB |
Output is correct |
9 |
Correct |
44 ms |
13432 KB |
Output is correct |
10 |
Correct |
76 ms |
14584 KB |
Output is correct |
11 |
Correct |
64 ms |
13688 KB |
Output is correct |
12 |
Correct |
52 ms |
12924 KB |
Output is correct |
13 |
Correct |
72 ms |
11064 KB |
Output is correct |
14 |
Correct |
48 ms |
9208 KB |
Output is correct |
15 |
Correct |
43 ms |
8568 KB |
Output is correct |
16 |
Correct |
41 ms |
8568 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
6 ms |
640 KB |
Output is correct |
7 |
Correct |
7 ms |
640 KB |
Output is correct |
8 |
Correct |
9 ms |
640 KB |
Output is correct |
9 |
Correct |
8 ms |
640 KB |
Output is correct |
10 |
Correct |
95 ms |
13304 KB |
Output is correct |
11 |
Correct |
131 ms |
13432 KB |
Output is correct |
12 |
Correct |
186 ms |
14584 KB |
Output is correct |
13 |
Correct |
200 ms |
15096 KB |
Output is correct |
14 |
Correct |
158 ms |
13816 KB |
Output is correct |
15 |
Correct |
110 ms |
8568 KB |
Output is correct |
16 |
Correct |
104 ms |
8568 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
6 ms |
640 KB |
Output is correct |
7 |
Correct |
7 ms |
640 KB |
Output is correct |
8 |
Correct |
9 ms |
640 KB |
Output is correct |
9 |
Correct |
8 ms |
640 KB |
Output is correct |
10 |
Correct |
95 ms |
13304 KB |
Output is correct |
11 |
Correct |
131 ms |
13432 KB |
Output is correct |
12 |
Correct |
186 ms |
14584 KB |
Output is correct |
13 |
Correct |
200 ms |
15096 KB |
Output is correct |
14 |
Correct |
158 ms |
13816 KB |
Output is correct |
15 |
Correct |
110 ms |
8568 KB |
Output is correct |
16 |
Correct |
104 ms |
8568 KB |
Output is correct |
17 |
Correct |
2915 ms |
13580 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
4 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
13 ms |
768 KB |
Output is correct |
24 |
Correct |
17 ms |
768 KB |
Output is correct |
25 |
Correct |
28 ms |
768 KB |
Output is correct |
26 |
Correct |
24 ms |
760 KB |
Output is correct |
27 |
Correct |
2628 ms |
13312 KB |
Output is correct |
28 |
Execution timed out |
3066 ms |
14584 KB |
Time limit exceeded |
29 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3069 ms |
13432 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |