#include <bits/stdc++.h>
#define Alora "cownav"
#define fi(i,a,b) for(int i = a; i <= b; i++)
#define fid(i,a,b) for(int i = a; i >= b; i--)
#define ll long long
#define f first
#define se second
#define pii pair<int, int>
#define getbit(i, j) ((i >> j) & 1)
#define all(v) v.begin(), v.end()
#define pb push_back
#define maxn 75
const int M = 1e9 + 7;
using namespace std;
int n, m, k, q;
ll dp[maxn][maxn][maxn];
int main(){
ios_base::sync_with_stdio(0);
cin.tie(NULL);
if(fopen(Alora".inp", "r")){
freopen(Alora".inp", "r", stdin);
freopen(Alora".out", "w", stdout);}
cin >> n >> m;
memset(dp, 60, sizeof(dp));
fi(i, 1, n) dp[0][i][i] = 0;
fi(i, 1, m){
int a, b, c;
cin >> a >> b >> c;
dp[1][a][b] = min(dp[1][a][b], 1ll*c);
}
cin >> k >> q;
k = min(k, n);
fi(d, 0, k - 1)
fi(t, 1, n)
fi(u, 1, n)
fi(v, 1, n)
dp[d + 1][u][v] = min(dp[d + 1][u][v], dp[d][u][t] + dp[1][t][v]);
while(q--){
int u, v; cin >> u >> v;
ll ans = 1e18;
fi(d, 0, k) ans = min(ans, dp[d][u][v]);
if(ans != 1e18) cout << ans << '\n';
else cout << -1 << '\n';
}
return 0;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:21:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
21 | freopen(Alora".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:22:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
22 | freopen(Alora".out", "w", stdout);}
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
3676 KB |
Output is correct |
2 |
Correct |
1 ms |
3676 KB |
Output is correct |
3 |
Correct |
1 ms |
3676 KB |
Output is correct |
4 |
Correct |
1 ms |
3676 KB |
Output is correct |
5 |
Correct |
1 ms |
3536 KB |
Output is correct |
6 |
Correct |
1 ms |
3676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
3676 KB |
Output is correct |
2 |
Correct |
2 ms |
3760 KB |
Output is correct |
3 |
Correct |
3 ms |
3672 KB |
Output is correct |
4 |
Correct |
3 ms |
3676 KB |
Output is correct |
5 |
Correct |
3 ms |
3676 KB |
Output is correct |
6 |
Correct |
4 ms |
3676 KB |
Output is correct |
7 |
Correct |
3 ms |
3676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
3676 KB |
Output is correct |
2 |
Correct |
1 ms |
3676 KB |
Output is correct |
3 |
Correct |
1 ms |
3676 KB |
Output is correct |
4 |
Correct |
1 ms |
3676 KB |
Output is correct |
5 |
Correct |
1 ms |
3536 KB |
Output is correct |
6 |
Correct |
1 ms |
3676 KB |
Output is correct |
7 |
Correct |
8 ms |
3676 KB |
Output is correct |
8 |
Correct |
21 ms |
3792 KB |
Output is correct |
9 |
Correct |
3 ms |
3676 KB |
Output is correct |
10 |
Correct |
12 ms |
3676 KB |
Output is correct |
11 |
Correct |
6 ms |
3676 KB |
Output is correct |
12 |
Correct |
14 ms |
3672 KB |
Output is correct |
13 |
Correct |
72 ms |
9872 KB |
Output is correct |
14 |
Correct |
73 ms |
9756 KB |
Output is correct |
15 |
Correct |
86 ms |
9812 KB |
Output is correct |
16 |
Correct |
77 ms |
9812 KB |
Output is correct |
17 |
Correct |
73 ms |
9808 KB |
Output is correct |
18 |
Correct |
73 ms |
9752 KB |
Output is correct |
19 |
Correct |
95 ms |
9820 KB |
Output is correct |
20 |
Correct |
84 ms |
9752 KB |
Output is correct |
21 |
Correct |
73 ms |
9808 KB |
Output is correct |
22 |
Correct |
76 ms |
9884 KB |
Output is correct |
23 |
Correct |
75 ms |
10016 KB |
Output is correct |
24 |
Correct |
83 ms |
9808 KB |
Output is correct |
25 |
Correct |
75 ms |
9876 KB |
Output is correct |
26 |
Correct |
94 ms |
10064 KB |
Output is correct |
27 |
Correct |
80 ms |
10000 KB |
Output is correct |
28 |
Correct |
82 ms |
10244 KB |
Output is correct |
29 |
Correct |
92 ms |
9744 KB |
Output is correct |
30 |
Correct |
75 ms |
9808 KB |
Output is correct |
31 |
Correct |
87 ms |
9808 KB |
Output is correct |
32 |
Correct |
90 ms |
9752 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
3676 KB |
Output is correct |
2 |
Correct |
1 ms |
3676 KB |
Output is correct |
3 |
Correct |
1 ms |
3676 KB |
Output is correct |
4 |
Correct |
1 ms |
3676 KB |
Output is correct |
5 |
Correct |
1 ms |
3536 KB |
Output is correct |
6 |
Correct |
1 ms |
3676 KB |
Output is correct |
7 |
Correct |
2 ms |
3676 KB |
Output is correct |
8 |
Correct |
2 ms |
3760 KB |
Output is correct |
9 |
Correct |
3 ms |
3672 KB |
Output is correct |
10 |
Correct |
3 ms |
3676 KB |
Output is correct |
11 |
Correct |
3 ms |
3676 KB |
Output is correct |
12 |
Correct |
4 ms |
3676 KB |
Output is correct |
13 |
Correct |
3 ms |
3676 KB |
Output is correct |
14 |
Correct |
8 ms |
3676 KB |
Output is correct |
15 |
Correct |
21 ms |
3792 KB |
Output is correct |
16 |
Correct |
3 ms |
3676 KB |
Output is correct |
17 |
Correct |
12 ms |
3676 KB |
Output is correct |
18 |
Correct |
6 ms |
3676 KB |
Output is correct |
19 |
Correct |
14 ms |
3672 KB |
Output is correct |
20 |
Correct |
72 ms |
9872 KB |
Output is correct |
21 |
Correct |
73 ms |
9756 KB |
Output is correct |
22 |
Correct |
86 ms |
9812 KB |
Output is correct |
23 |
Correct |
77 ms |
9812 KB |
Output is correct |
24 |
Correct |
73 ms |
9808 KB |
Output is correct |
25 |
Correct |
73 ms |
9752 KB |
Output is correct |
26 |
Correct |
95 ms |
9820 KB |
Output is correct |
27 |
Correct |
84 ms |
9752 KB |
Output is correct |
28 |
Correct |
73 ms |
9808 KB |
Output is correct |
29 |
Correct |
76 ms |
9884 KB |
Output is correct |
30 |
Correct |
75 ms |
10016 KB |
Output is correct |
31 |
Correct |
83 ms |
9808 KB |
Output is correct |
32 |
Correct |
75 ms |
9876 KB |
Output is correct |
33 |
Correct |
94 ms |
10064 KB |
Output is correct |
34 |
Correct |
80 ms |
10000 KB |
Output is correct |
35 |
Correct |
82 ms |
10244 KB |
Output is correct |
36 |
Correct |
92 ms |
9744 KB |
Output is correct |
37 |
Correct |
75 ms |
9808 KB |
Output is correct |
38 |
Correct |
87 ms |
9808 KB |
Output is correct |
39 |
Correct |
90 ms |
9752 KB |
Output is correct |
40 |
Correct |
7 ms |
3776 KB |
Output is correct |
41 |
Correct |
21 ms |
3676 KB |
Output is correct |
42 |
Correct |
5 ms |
3928 KB |
Output is correct |
43 |
Correct |
21 ms |
3780 KB |
Output is correct |
44 |
Correct |
5 ms |
3796 KB |
Output is correct |
45 |
Correct |
22 ms |
3676 KB |
Output is correct |
46 |
Correct |
72 ms |
9876 KB |
Output is correct |
47 |
Correct |
93 ms |
9760 KB |
Output is correct |
48 |
Correct |
75 ms |
9808 KB |
Output is correct |
49 |
Correct |
97 ms |
10268 KB |
Output is correct |
50 |
Correct |
73 ms |
9748 KB |
Output is correct |
51 |
Correct |
80 ms |
9808 KB |
Output is correct |
52 |
Correct |
72 ms |
9940 KB |
Output is correct |
53 |
Correct |
95 ms |
9816 KB |
Output is correct |
54 |
Correct |
74 ms |
9868 KB |
Output is correct |
55 |
Correct |
74 ms |
10008 KB |
Output is correct |
56 |
Correct |
90 ms |
9808 KB |
Output is correct |
57 |
Correct |
91 ms |
9872 KB |
Output is correct |
58 |
Correct |
81 ms |
10072 KB |
Output is correct |
59 |
Correct |
82 ms |
9888 KB |
Output is correct |
60 |
Correct |
89 ms |
10000 KB |
Output is correct |
61 |
Correct |
93 ms |
10064 KB |
Output is correct |
62 |
Correct |
72 ms |
9808 KB |
Output is correct |
63 |
Correct |
77 ms |
9808 KB |
Output is correct |
64 |
Correct |
77 ms |
9628 KB |
Output is correct |
65 |
Correct |
90 ms |
9812 KB |
Output is correct |