#include <iostream>
#include <cstring>
#include <vector>
using namespace std;
#define ll long long
int n, m, q, k;
ll adjm[75][75];
ll memo[75][75][75];
ll dp(ll d, ll x, ll y){
if(x == y) return 0;
if(d <= 0) return 1000000000000;
if(memo[d][x][y] != -1) return memo[d][x][y];
ll minn = 1000000000000;
for(int i = 1; i <= n; i++){
minn = min(minn, dp(d - 1, x, i) + adjm[i][y]);
}
return memo[d][x][y] = minn;
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
memset(memo, -1, sizeof(memo));
cin >> n >> m;
for(int i = 0; i <= n; i++){
for(int j = 0; j <= n; j++){
adjm[i][j] = 1000000000000;
if(i == j) adjm[i][j] = 0;
}
}
for(int i = 0; i < m; i++){
ll a, b, t; cin >> a >> b >> t;
adjm[a][b] = min(adjm[a][b], t);
}
cin >> k >> q;
k = min(k, n - 1);
for(int i = 0; i < q; i++){
ll c, d; cin >> c >> d;
ll ans = dp(k, c, d);
if(ans == 1000000000000) ans = -1;
cout << ans << endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
3532 KB |
Output is correct |
2 |
Correct |
2 ms |
3532 KB |
Output is correct |
3 |
Correct |
2 ms |
3532 KB |
Output is correct |
4 |
Correct |
2 ms |
3532 KB |
Output is correct |
5 |
Correct |
2 ms |
3532 KB |
Output is correct |
6 |
Correct |
2 ms |
3532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
3660 KB |
Output is correct |
2 |
Correct |
16 ms |
3664 KB |
Output is correct |
3 |
Correct |
12 ms |
3660 KB |
Output is correct |
4 |
Correct |
10 ms |
3660 KB |
Output is correct |
5 |
Correct |
13 ms |
3668 KB |
Output is correct |
6 |
Correct |
11 ms |
3676 KB |
Output is correct |
7 |
Correct |
12 ms |
3664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
3532 KB |
Output is correct |
2 |
Correct |
2 ms |
3532 KB |
Output is correct |
3 |
Correct |
2 ms |
3532 KB |
Output is correct |
4 |
Correct |
2 ms |
3532 KB |
Output is correct |
5 |
Correct |
2 ms |
3532 KB |
Output is correct |
6 |
Correct |
2 ms |
3532 KB |
Output is correct |
7 |
Correct |
43 ms |
3652 KB |
Output is correct |
8 |
Correct |
106 ms |
3640 KB |
Output is correct |
9 |
Correct |
14 ms |
3660 KB |
Output is correct |
10 |
Correct |
59 ms |
3660 KB |
Output is correct |
11 |
Correct |
26 ms |
3660 KB |
Output is correct |
12 |
Correct |
71 ms |
3660 KB |
Output is correct |
13 |
Correct |
92 ms |
3532 KB |
Output is correct |
14 |
Correct |
93 ms |
3660 KB |
Output is correct |
15 |
Correct |
174 ms |
3644 KB |
Output is correct |
16 |
Correct |
125 ms |
3636 KB |
Output is correct |
17 |
Correct |
95 ms |
3640 KB |
Output is correct |
18 |
Correct |
93 ms |
3660 KB |
Output is correct |
19 |
Correct |
202 ms |
3640 KB |
Output is correct |
20 |
Correct |
143 ms |
3640 KB |
Output is correct |
21 |
Correct |
97 ms |
3636 KB |
Output is correct |
22 |
Correct |
106 ms |
3652 KB |
Output is correct |
23 |
Correct |
125 ms |
3652 KB |
Output is correct |
24 |
Correct |
141 ms |
3640 KB |
Output is correct |
25 |
Correct |
106 ms |
3776 KB |
Output is correct |
26 |
Correct |
111 ms |
3640 KB |
Output is correct |
27 |
Correct |
120 ms |
3624 KB |
Output is correct |
28 |
Correct |
114 ms |
3636 KB |
Output is correct |
29 |
Correct |
99 ms |
3652 KB |
Output is correct |
30 |
Correct |
125 ms |
3636 KB |
Output is correct |
31 |
Correct |
167 ms |
3660 KB |
Output is correct |
32 |
Correct |
183 ms |
3648 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
3532 KB |
Output is correct |
2 |
Correct |
2 ms |
3532 KB |
Output is correct |
3 |
Correct |
2 ms |
3532 KB |
Output is correct |
4 |
Correct |
2 ms |
3532 KB |
Output is correct |
5 |
Correct |
2 ms |
3532 KB |
Output is correct |
6 |
Correct |
2 ms |
3532 KB |
Output is correct |
7 |
Correct |
10 ms |
3660 KB |
Output is correct |
8 |
Correct |
16 ms |
3664 KB |
Output is correct |
9 |
Correct |
12 ms |
3660 KB |
Output is correct |
10 |
Correct |
10 ms |
3660 KB |
Output is correct |
11 |
Correct |
13 ms |
3668 KB |
Output is correct |
12 |
Correct |
11 ms |
3676 KB |
Output is correct |
13 |
Correct |
12 ms |
3664 KB |
Output is correct |
14 |
Correct |
43 ms |
3652 KB |
Output is correct |
15 |
Correct |
106 ms |
3640 KB |
Output is correct |
16 |
Correct |
14 ms |
3660 KB |
Output is correct |
17 |
Correct |
59 ms |
3660 KB |
Output is correct |
18 |
Correct |
26 ms |
3660 KB |
Output is correct |
19 |
Correct |
71 ms |
3660 KB |
Output is correct |
20 |
Correct |
92 ms |
3532 KB |
Output is correct |
21 |
Correct |
93 ms |
3660 KB |
Output is correct |
22 |
Correct |
174 ms |
3644 KB |
Output is correct |
23 |
Correct |
125 ms |
3636 KB |
Output is correct |
24 |
Correct |
95 ms |
3640 KB |
Output is correct |
25 |
Correct |
93 ms |
3660 KB |
Output is correct |
26 |
Correct |
202 ms |
3640 KB |
Output is correct |
27 |
Correct |
143 ms |
3640 KB |
Output is correct |
28 |
Correct |
97 ms |
3636 KB |
Output is correct |
29 |
Correct |
106 ms |
3652 KB |
Output is correct |
30 |
Correct |
125 ms |
3652 KB |
Output is correct |
31 |
Correct |
141 ms |
3640 KB |
Output is correct |
32 |
Correct |
106 ms |
3776 KB |
Output is correct |
33 |
Correct |
111 ms |
3640 KB |
Output is correct |
34 |
Correct |
120 ms |
3624 KB |
Output is correct |
35 |
Correct |
114 ms |
3636 KB |
Output is correct |
36 |
Correct |
99 ms |
3652 KB |
Output is correct |
37 |
Correct |
125 ms |
3636 KB |
Output is correct |
38 |
Correct |
167 ms |
3660 KB |
Output is correct |
39 |
Correct |
183 ms |
3648 KB |
Output is correct |
40 |
Correct |
33 ms |
3660 KB |
Output is correct |
41 |
Correct |
119 ms |
3652 KB |
Output is correct |
42 |
Correct |
18 ms |
3668 KB |
Output is correct |
43 |
Correct |
102 ms |
3660 KB |
Output is correct |
44 |
Correct |
24 ms |
3660 KB |
Output is correct |
45 |
Correct |
104 ms |
3648 KB |
Output is correct |
46 |
Correct |
111 ms |
3640 KB |
Output is correct |
47 |
Correct |
151 ms |
3644 KB |
Output is correct |
48 |
Correct |
106 ms |
3660 KB |
Output is correct |
49 |
Correct |
180 ms |
3660 KB |
Output is correct |
50 |
Correct |
101 ms |
3624 KB |
Output is correct |
51 |
Correct |
150 ms |
3620 KB |
Output is correct |
52 |
Correct |
90 ms |
3652 KB |
Output is correct |
53 |
Correct |
180 ms |
3652 KB |
Output is correct |
54 |
Correct |
92 ms |
3660 KB |
Output is correct |
55 |
Correct |
114 ms |
3640 KB |
Output is correct |
56 |
Correct |
182 ms |
3640 KB |
Output is correct |
57 |
Correct |
186 ms |
3656 KB |
Output is correct |
58 |
Correct |
93 ms |
3636 KB |
Output is correct |
59 |
Correct |
142 ms |
3764 KB |
Output is correct |
60 |
Correct |
163 ms |
3660 KB |
Output is correct |
61 |
Correct |
182 ms |
3660 KB |
Output is correct |
62 |
Correct |
97 ms |
3652 KB |
Output is correct |
63 |
Correct |
113 ms |
3648 KB |
Output is correct |
64 |
Correct |
117 ms |
3648 KB |
Output is correct |
65 |
Correct |
183 ms |
3640 KB |
Output is correct |