# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
107406 | 2019-04-24T05:55:43 Z | kuroni | Travelling Merchant (APIO17_merchant) | C++14 | 126 ms | 1500 KB |
#include <iostream> #include <cstdio> using namespace std; const int N = 105, K = 1005; const long long INF = 4E18 + 7; int n, m, k, u, v, w[N][N], b[N][K], s[N][K]; long long dis[N][N], tmp[N][N]; bool floyd(long long dis[N][N]) { for (int mi = 1; mi <= n; mi++) for (int le = 1; le <= n; le++) for (int ri = 1; ri <= n; ri++) dis[le][ri] = min(dis[le][ri], max(-INF, dis[le][mi] + dis[mi][ri])); for (int st = 1; st <= n; st++) for (int mi = st + 1; mi <= n; mi++) if (dis[st][mi] + dis[mi][st] <= 0) return true; return false; } int main() { scanf("%d%d%d", &n, &m, &k); for (int i = 1; i <= n; i++) { for (int j = 1; j <= k; j++) scanf("%d%d", &b[i][j], &s[i][j]); for (int j = 1; j <= n; j++) if (j != i) dis[i][j] = INF; } for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) for (int t = 1; t <= k; t++) if (b[i][t] != -1 && s[j][t] != -1) w[i][j] = max(w[i][j], s[j][t] - b[i][t]); while (m--) { scanf("%d%d", &u, &v); scanf("%lld", &dis[u][v]); } floyd(dis); int le = 1, ri = 1E9; while (le <= ri) { int mi = (le + ri) / 2; for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) if (dis[i][j] == INF) tmp[i][j] = INF; else tmp[i][j] = dis[i][j] * mi - w[i][j]; if (floyd(tmp)) le = mi + 1; else ri = mi - 1; } printf("%d", ri); }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 68 ms | 1280 KB | Output is correct |
2 | Correct | 46 ms | 1280 KB | Output is correct |
3 | Correct | 50 ms | 1280 KB | Output is correct |
4 | Correct | 10 ms | 896 KB | Output is correct |
5 | Correct | 9 ms | 896 KB | Output is correct |
6 | Correct | 8 ms | 896 KB | Output is correct |
7 | Correct | 8 ms | 896 KB | Output is correct |
8 | Correct | 2 ms | 384 KB | Output is correct |
9 | Correct | 8 ms | 896 KB | Output is correct |
10 | Correct | 11 ms | 896 KB | Output is correct |
11 | Correct | 11 ms | 896 KB | Output is correct |
12 | Correct | 2 ms | 512 KB | Output is correct |
13 | Correct | 8 ms | 896 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 768 KB | Output is correct |
2 | Correct | 9 ms | 768 KB | Output is correct |
3 | Correct | 14 ms | 768 KB | Output is correct |
4 | Correct | 9 ms | 896 KB | Output is correct |
5 | Correct | 9 ms | 768 KB | Output is correct |
6 | Correct | 3 ms | 384 KB | Output is correct |
7 | Correct | 10 ms | 768 KB | Output is correct |
8 | Correct | 8 ms | 768 KB | Output is correct |
9 | Correct | 8 ms | 896 KB | Output is correct |
10 | Correct | 9 ms | 896 KB | Output is correct |
11 | Correct | 10 ms | 868 KB | Output is correct |
12 | Correct | 9 ms | 768 KB | Output is correct |
13 | Correct | 10 ms | 896 KB | Output is correct |
14 | Correct | 12 ms | 896 KB | Output is correct |
15 | Correct | 13 ms | 768 KB | Output is correct |
16 | Correct | 12 ms | 896 KB | Output is correct |
17 | Correct | 9 ms | 896 KB | Output is correct |
18 | Correct | 3 ms | 384 KB | Output is correct |
19 | Correct | 9 ms | 868 KB | Output is correct |
20 | Correct | 11 ms | 896 KB | Output is correct |
21 | Correct | 11 ms | 896 KB | Output is correct |
22 | Correct | 9 ms | 896 KB | Output is correct |
23 | Correct | 9 ms | 896 KB | Output is correct |
24 | Correct | 8 ms | 896 KB | Output is correct |
25 | Correct | 8 ms | 896 KB | Output is correct |
26 | Correct | 2 ms | 384 KB | Output is correct |
27 | Correct | 8 ms | 896 KB | Output is correct |
28 | Correct | 11 ms | 896 KB | Output is correct |
29 | Correct | 11 ms | 896 KB | Output is correct |
30 | Correct | 2 ms | 512 KB | Output is correct |
31 | Correct | 8 ms | 896 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 52 ms | 1364 KB | Output is correct |
2 | Correct | 98 ms | 1400 KB | Output is correct |
3 | Correct | 43 ms | 1380 KB | Output is correct |
4 | Correct | 47 ms | 1280 KB | Output is correct |
5 | Correct | 53 ms | 1372 KB | Output is correct |
6 | Correct | 48 ms | 1280 KB | Output is correct |
7 | Correct | 9 ms | 896 KB | Output is correct |
8 | Correct | 3 ms | 384 KB | Output is correct |
9 | Correct | 9 ms | 868 KB | Output is correct |
10 | Correct | 11 ms | 896 KB | Output is correct |
11 | Correct | 11 ms | 896 KB | Output is correct |
12 | Correct | 9 ms | 896 KB | Output is correct |
13 | Correct | 9 ms | 896 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 768 KB | Output is correct |
2 | Correct | 9 ms | 768 KB | Output is correct |
3 | Correct | 14 ms | 768 KB | Output is correct |
4 | Correct | 9 ms | 896 KB | Output is correct |
5 | Correct | 9 ms | 768 KB | Output is correct |
6 | Correct | 3 ms | 384 KB | Output is correct |
7 | Correct | 10 ms | 768 KB | Output is correct |
8 | Correct | 8 ms | 768 KB | Output is correct |
9 | Correct | 8 ms | 896 KB | Output is correct |
10 | Correct | 9 ms | 896 KB | Output is correct |
11 | Correct | 10 ms | 868 KB | Output is correct |
12 | Correct | 9 ms | 768 KB | Output is correct |
13 | Correct | 10 ms | 896 KB | Output is correct |
14 | Correct | 12 ms | 896 KB | Output is correct |
15 | Correct | 13 ms | 768 KB | Output is correct |
16 | Correct | 12 ms | 896 KB | Output is correct |
17 | Correct | 52 ms | 1364 KB | Output is correct |
18 | Correct | 98 ms | 1400 KB | Output is correct |
19 | Correct | 43 ms | 1380 KB | Output is correct |
20 | Correct | 47 ms | 1280 KB | Output is correct |
21 | Correct | 53 ms | 1372 KB | Output is correct |
22 | Correct | 48 ms | 1280 KB | Output is correct |
23 | Correct | 9 ms | 896 KB | Output is correct |
24 | Correct | 3 ms | 384 KB | Output is correct |
25 | Correct | 9 ms | 868 KB | Output is correct |
26 | Correct | 11 ms | 896 KB | Output is correct |
27 | Correct | 11 ms | 896 KB | Output is correct |
28 | Correct | 9 ms | 896 KB | Output is correct |
29 | Correct | 9 ms | 896 KB | Output is correct |
30 | Correct | 47 ms | 1280 KB | Output is correct |
31 | Correct | 65 ms | 1408 KB | Output is correct |
32 | Correct | 63 ms | 1400 KB | Output is correct |
33 | Correct | 48 ms | 1400 KB | Output is correct |
34 | Correct | 56 ms | 1408 KB | Output is correct |
35 | Correct | 50 ms | 1500 KB | Output is correct |
36 | Correct | 116 ms | 1400 KB | Output is correct |
37 | Correct | 3 ms | 384 KB | Output is correct |
38 | Correct | 2 ms | 384 KB | Output is correct |
39 | Correct | 65 ms | 1280 KB | Output is correct |
40 | Correct | 49 ms | 1408 KB | Output is correct |
41 | Correct | 48 ms | 1400 KB | Output is correct |
42 | Correct | 57 ms | 1280 KB | Output is correct |
43 | Correct | 52 ms | 1400 KB | Output is correct |
44 | Correct | 2 ms | 384 KB | Output is correct |
45 | Correct | 11 ms | 768 KB | Output is correct |
46 | Correct | 11 ms | 768 KB | Output is correct |
47 | Correct | 14 ms | 768 KB | Output is correct |
48 | Correct | 126 ms | 1480 KB | Output is correct |
49 | Correct | 106 ms | 1408 KB | Output is correct |
50 | Correct | 3 ms | 384 KB | Output is correct |
51 | Correct | 68 ms | 1280 KB | Output is correct |
52 | Correct | 46 ms | 1280 KB | Output is correct |
53 | Correct | 50 ms | 1280 KB | Output is correct |
54 | Correct | 10 ms | 896 KB | Output is correct |
55 | Correct | 9 ms | 896 KB | Output is correct |
56 | Correct | 8 ms | 896 KB | Output is correct |
57 | Correct | 8 ms | 896 KB | Output is correct |
58 | Correct | 2 ms | 384 KB | Output is correct |
59 | Correct | 8 ms | 896 KB | Output is correct |
60 | Correct | 11 ms | 896 KB | Output is correct |
61 | Correct | 11 ms | 896 KB | Output is correct |
62 | Correct | 2 ms | 512 KB | Output is correct |
63 | Correct | 8 ms | 896 KB | Output is correct |