#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll n, m, k, q, d[75][75][75];
void fun()
{
cin>>n>>m;
for(ll i = 1; i <= n; i++)
for(ll j = 1; j <= n; j++)
for(ll l = 0; l <= n + 1; l++)
d[i][j][l] = 2e18;
for(ll i = 1, a, b, c; i <= m; i++)
{
cin>>a>>b>>c;
d[a][b][1] = min(d[a][b][1], c);
}
cin>>k>>q;
k = min(k, n);
for(ll v = 1; v <= n; v++)
for(ll i = 1; i <= n; i++)
for(ll j = 1; j <= n; j++)
for(ll l = 1; l <= n; l++)
if(d[i][l][v - 1] != 2e18 && d[l][j][1] != 2e18)
d[i][j][v] = min(d[i][j][v], d[i][l][v - 1] + d[l][j][1]);
for(ll i = 1, a, b; i <= q; i++)
{
cin>>a>>b;
if(a == b)
{
cout<<0<<endl;
continue;
}
ll ans = 2e18;
for(int j = 1; j <= k; j++)
ans = min(ans, d[a][b][j]);
if(ans == 2e18)
cout<<-1<<endl;
else
cout<<ans<<endl;
}
}
int main()
{
ll ttt = 1;
//cin>>ttt;
while(ttt--)
fun();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
135 ms |
3372 KB |
Output is correct |
2 |
Correct |
104 ms |
3364 KB |
Output is correct |
3 |
Correct |
96 ms |
3412 KB |
Output is correct |
4 |
Correct |
120 ms |
3412 KB |
Output is correct |
5 |
Correct |
127 ms |
3412 KB |
Output is correct |
6 |
Correct |
139 ms |
3444 KB |
Output is correct |
7 |
Correct |
117 ms |
3460 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
96 ms |
3400 KB |
Output is correct |
8 |
Correct |
101 ms |
3412 KB |
Output is correct |
9 |
Correct |
126 ms |
3412 KB |
Output is correct |
10 |
Correct |
116 ms |
3412 KB |
Output is correct |
11 |
Correct |
143 ms |
3448 KB |
Output is correct |
12 |
Correct |
117 ms |
3460 KB |
Output is correct |
13 |
Correct |
395 ms |
9492 KB |
Output is correct |
14 |
Correct |
373 ms |
9492 KB |
Output is correct |
15 |
Correct |
397 ms |
9620 KB |
Output is correct |
16 |
Correct |
372 ms |
9504 KB |
Output is correct |
17 |
Correct |
440 ms |
9576 KB |
Output is correct |
18 |
Correct |
381 ms |
9548 KB |
Output is correct |
19 |
Correct |
400 ms |
9488 KB |
Output is correct |
20 |
Correct |
391 ms |
9700 KB |
Output is correct |
21 |
Correct |
394 ms |
9604 KB |
Output is correct |
22 |
Correct |
372 ms |
9624 KB |
Output is correct |
23 |
Correct |
384 ms |
9636 KB |
Output is correct |
24 |
Correct |
454 ms |
9616 KB |
Output is correct |
25 |
Correct |
397 ms |
9696 KB |
Output is correct |
26 |
Correct |
393 ms |
9676 KB |
Output is correct |
27 |
Correct |
405 ms |
9744 KB |
Output is correct |
28 |
Correct |
403 ms |
9620 KB |
Output is correct |
29 |
Correct |
387 ms |
9440 KB |
Output is correct |
30 |
Correct |
382 ms |
9452 KB |
Output is correct |
31 |
Correct |
379 ms |
9492 KB |
Output is correct |
32 |
Correct |
382 ms |
9440 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
135 ms |
3372 KB |
Output is correct |
8 |
Correct |
104 ms |
3364 KB |
Output is correct |
9 |
Correct |
96 ms |
3412 KB |
Output is correct |
10 |
Correct |
120 ms |
3412 KB |
Output is correct |
11 |
Correct |
127 ms |
3412 KB |
Output is correct |
12 |
Correct |
139 ms |
3444 KB |
Output is correct |
13 |
Correct |
117 ms |
3460 KB |
Output is correct |
14 |
Correct |
96 ms |
3400 KB |
Output is correct |
15 |
Correct |
101 ms |
3412 KB |
Output is correct |
16 |
Correct |
126 ms |
3412 KB |
Output is correct |
17 |
Correct |
116 ms |
3412 KB |
Output is correct |
18 |
Correct |
143 ms |
3448 KB |
Output is correct |
19 |
Correct |
117 ms |
3460 KB |
Output is correct |
20 |
Correct |
395 ms |
9492 KB |
Output is correct |
21 |
Correct |
373 ms |
9492 KB |
Output is correct |
22 |
Correct |
397 ms |
9620 KB |
Output is correct |
23 |
Correct |
372 ms |
9504 KB |
Output is correct |
24 |
Correct |
440 ms |
9576 KB |
Output is correct |
25 |
Correct |
381 ms |
9548 KB |
Output is correct |
26 |
Correct |
400 ms |
9488 KB |
Output is correct |
27 |
Correct |
391 ms |
9700 KB |
Output is correct |
28 |
Correct |
394 ms |
9604 KB |
Output is correct |
29 |
Correct |
372 ms |
9624 KB |
Output is correct |
30 |
Correct |
384 ms |
9636 KB |
Output is correct |
31 |
Correct |
454 ms |
9616 KB |
Output is correct |
32 |
Correct |
397 ms |
9696 KB |
Output is correct |
33 |
Correct |
393 ms |
9676 KB |
Output is correct |
34 |
Correct |
405 ms |
9744 KB |
Output is correct |
35 |
Correct |
403 ms |
9620 KB |
Output is correct |
36 |
Correct |
387 ms |
9440 KB |
Output is correct |
37 |
Correct |
382 ms |
9452 KB |
Output is correct |
38 |
Correct |
379 ms |
9492 KB |
Output is correct |
39 |
Correct |
382 ms |
9440 KB |
Output is correct |
40 |
Correct |
102 ms |
3412 KB |
Output is correct |
41 |
Correct |
104 ms |
3432 KB |
Output is correct |
42 |
Correct |
122 ms |
3412 KB |
Output is correct |
43 |
Correct |
123 ms |
3412 KB |
Output is correct |
44 |
Correct |
116 ms |
3452 KB |
Output is correct |
45 |
Correct |
116 ms |
3444 KB |
Output is correct |
46 |
Correct |
392 ms |
9420 KB |
Output is correct |
47 |
Correct |
376 ms |
9628 KB |
Output is correct |
48 |
Correct |
382 ms |
9548 KB |
Output is correct |
49 |
Correct |
385 ms |
9492 KB |
Output is correct |
50 |
Correct |
421 ms |
9576 KB |
Output is correct |
51 |
Correct |
379 ms |
9492 KB |
Output is correct |
52 |
Correct |
479 ms |
9576 KB |
Output is correct |
53 |
Correct |
399 ms |
9572 KB |
Output is correct |
54 |
Correct |
438 ms |
9616 KB |
Output is correct |
55 |
Correct |
382 ms |
9620 KB |
Output is correct |
56 |
Correct |
387 ms |
9600 KB |
Output is correct |
57 |
Correct |
397 ms |
9612 KB |
Output is correct |
58 |
Correct |
395 ms |
9700 KB |
Output is correct |
59 |
Correct |
406 ms |
9748 KB |
Output is correct |
60 |
Correct |
391 ms |
9632 KB |
Output is correct |
61 |
Correct |
381 ms |
9752 KB |
Output is correct |
62 |
Correct |
400 ms |
9372 KB |
Output is correct |
63 |
Correct |
388 ms |
9440 KB |
Output is correct |
64 |
Correct |
423 ms |
9440 KB |
Output is correct |
65 |
Correct |
386 ms |
9436 KB |
Output is correct |