#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()
int main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
ll k,n,m,O;
cin>>k>>n>>m>>O;
vector<pair<ll,ll>>adj[n];
for(ll i=1;i<=m;i++){
ll a,b,t;
cin>>a>>b>>t;
adj[a].pb({b,t});
}
ll dp[n];
for(ll i=1;i<=O;i++){
ll a,b;
cin>>a>>b;
fill(dp,dp+b+1,1e18);
dp[a]=0;
for(ll j=a;j<b;j++){
for(auto [y,t]:adj[j]){
dp[y]=min(dp[y],dp[j]+t);
}
}
if(dp[b]==1e18){
cout<<-1<<"\n";
}
else{
cout<<dp[b]<<"\n";
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
718 ms |
4552 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
532 KB |
Output is correct |
8 |
Correct |
701 ms |
4484 KB |
Output is correct |
9 |
Correct |
717 ms |
4628 KB |
Output is correct |
10 |
Correct |
224 ms |
2368 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1370 ms |
6376 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
20 ms |
864 KB |
Output is correct |
8 |
Correct |
20 ms |
636 KB |
Output is correct |
9 |
Correct |
974 ms |
4700 KB |
Output is correct |
10 |
Correct |
1975 ms |
8496 KB |
Output is correct |
11 |
Correct |
1402 ms |
6376 KB |
Output is correct |
12 |
Correct |
1780 ms |
5212 KB |
Output is correct |
13 |
Correct |
528 ms |
8696 KB |
Output is correct |
14 |
Correct |
357 ms |
5444 KB |
Output is correct |
15 |
Correct |
398 ms |
4600 KB |
Output is correct |
16 |
Correct |
417 ms |
4692 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
21 ms |
4184 KB |
Output is correct |
11 |
Correct |
32 ms |
5968 KB |
Output is correct |
12 |
Correct |
48 ms |
8008 KB |
Output is correct |
13 |
Correct |
49 ms |
8784 KB |
Output is correct |
14 |
Correct |
41 ms |
6980 KB |
Output is correct |
15 |
Correct |
28 ms |
4440 KB |
Output is correct |
16 |
Correct |
26 ms |
4572 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
21 ms |
4184 KB |
Output is correct |
11 |
Correct |
32 ms |
5968 KB |
Output is correct |
12 |
Correct |
48 ms |
8008 KB |
Output is correct |
13 |
Correct |
49 ms |
8784 KB |
Output is correct |
14 |
Correct |
41 ms |
6980 KB |
Output is correct |
15 |
Correct |
28 ms |
4440 KB |
Output is correct |
16 |
Correct |
26 ms |
4572 KB |
Output is correct |
17 |
Correct |
375 ms |
5976 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
456 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
5 ms |
348 KB |
Output is correct |
24 |
Correct |
6 ms |
604 KB |
Output is correct |
25 |
Correct |
9 ms |
860 KB |
Output is correct |
26 |
Correct |
7 ms |
600 KB |
Output is correct |
27 |
Correct |
220 ms |
4408 KB |
Output is correct |
28 |
Correct |
462 ms |
8020 KB |
Output is correct |
29 |
Correct |
419 ms |
8608 KB |
Output is correct |
30 |
Correct |
443 ms |
7508 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
718 ms |
4552 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
532 KB |
Output is correct |
8 |
Correct |
701 ms |
4484 KB |
Output is correct |
9 |
Correct |
717 ms |
4628 KB |
Output is correct |
10 |
Correct |
224 ms |
2368 KB |
Output is correct |
11 |
Correct |
1370 ms |
6376 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
20 ms |
864 KB |
Output is correct |
18 |
Correct |
20 ms |
636 KB |
Output is correct |
19 |
Correct |
974 ms |
4700 KB |
Output is correct |
20 |
Correct |
1975 ms |
8496 KB |
Output is correct |
21 |
Correct |
1402 ms |
6376 KB |
Output is correct |
22 |
Correct |
1780 ms |
5212 KB |
Output is correct |
23 |
Correct |
528 ms |
8696 KB |
Output is correct |
24 |
Correct |
357 ms |
5444 KB |
Output is correct |
25 |
Correct |
398 ms |
4600 KB |
Output is correct |
26 |
Correct |
417 ms |
4692 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
604 KB |
Output is correct |
35 |
Correct |
1 ms |
468 KB |
Output is correct |
36 |
Correct |
21 ms |
4184 KB |
Output is correct |
37 |
Correct |
32 ms |
5968 KB |
Output is correct |
38 |
Correct |
48 ms |
8008 KB |
Output is correct |
39 |
Correct |
49 ms |
8784 KB |
Output is correct |
40 |
Correct |
41 ms |
6980 KB |
Output is correct |
41 |
Correct |
28 ms |
4440 KB |
Output is correct |
42 |
Correct |
26 ms |
4572 KB |
Output is correct |
43 |
Correct |
375 ms |
5976 KB |
Output is correct |
44 |
Correct |
0 ms |
344 KB |
Output is correct |
45 |
Correct |
0 ms |
348 KB |
Output is correct |
46 |
Correct |
0 ms |
348 KB |
Output is correct |
47 |
Correct |
0 ms |
456 KB |
Output is correct |
48 |
Correct |
1 ms |
344 KB |
Output is correct |
49 |
Correct |
5 ms |
348 KB |
Output is correct |
50 |
Correct |
6 ms |
604 KB |
Output is correct |
51 |
Correct |
9 ms |
860 KB |
Output is correct |
52 |
Correct |
7 ms |
600 KB |
Output is correct |
53 |
Correct |
220 ms |
4408 KB |
Output is correct |
54 |
Correct |
462 ms |
8020 KB |
Output is correct |
55 |
Correct |
419 ms |
8608 KB |
Output is correct |
56 |
Correct |
443 ms |
7508 KB |
Output is correct |
57 |
Correct |
1590 ms |
9668 KB |
Output is correct |
58 |
Correct |
700 ms |
4476 KB |
Output is correct |
59 |
Correct |
998 ms |
6320 KB |
Output is correct |