# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
52355 | 2018-06-25T14:26:06 Z | imeimi2000 | Travelling Merchant (APIO17_merchant) | C++17 | 107 ms | 9544 KB |
#include <iostream> #include <algorithm> #include <vector> #include <queue> #include <deque> #include <set> #include <map> #include <unordered_map> #include <functional> #include <cstring> #include <cmath> #include <ctime> #include <cstdlib> using namespace std; typedef long long llong; typedef long double ld; typedef pair<int, int> pii; typedef pair<llong, llong> pll; int n, k; const int inf = 1e9 + 7; const llong linf = (llong)inf * inf; int buy[101][1001], sell[101][1001]; int t[101][101]; int c[101][101]; llong d[101][101]; int main() { int m; scanf("%d%d%d", &n, &m, &k); for (int i = 1; i <= n; ++i) { for (int j = 1; j <= k; ++j) { scanf("%d%d", buy[i] + j, sell[i] + j); if (buy[i][j] != -1 && buy[i][j] < sell[i][j]) exit(1); } } for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { t[i][j] = inf; } } for (int i = 0; i < m; ++i) { int v, w, p; scanf("%d%d%d", &v, &w, &p); t[v][w] = p; } for (int p = 1; p <= n; ++p) { for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { t[i][j] = min(t[i][j], t[i][p] + t[p][j]); } } } for (int i = 1; i <= k; ++i) { for (int j = 1; j <= n; ++j) { for (int p = 1; p <= n; ++p) { if (buy[j][i] != -1 && sell[p][i] != -1) { c[j][p] = max(c[j][p], sell[p][i] - buy[j][i]); } } } } int s = 0, e = inf; while (s < e) { m = (s + e + 1) / 2; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { if (t[i][j] == inf) d[i][j] = linf; else d[i][j] = (llong)m * t[i][j] - c[i][j]; } } for (int p = 1; p <= n; ++p) { for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { d[i][j] = min(d[i][j], d[i][p] + d[p][j]); } } } int ch = 0; for (int i = 1; i <= n; ++i) { if (d[i][i] <= 0) { ch = 1; break; } } if (ch) s = m; else e = m - 1; } printf("%d\n", s); return 0; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 81 ms | 1148 KB | Output is correct |
2 | Correct | 42 ms | 1508 KB | Output is correct |
3 | Correct | 44 ms | 1508 KB | Output is correct |
4 | Correct | 10 ms | 1508 KB | Output is correct |
5 | Correct | 10 ms | 1508 KB | Output is correct |
6 | Correct | 8 ms | 1508 KB | Output is correct |
7 | Correct | 10 ms | 1508 KB | Output is correct |
8 | Correct | 2 ms | 1508 KB | Output is correct |
9 | Correct | 8 ms | 1508 KB | Output is correct |
10 | Correct | 9 ms | 1508 KB | Output is correct |
11 | Correct | 10 ms | 1508 KB | Output is correct |
12 | Correct | 2 ms | 1508 KB | Output is correct |
13 | Correct | 9 ms | 1508 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 8 ms | 1508 KB | Output is correct |
2 | Correct | 9 ms | 1508 KB | Output is correct |
3 | Correct | 9 ms | 1508 KB | Output is correct |
4 | Correct | 8 ms | 1508 KB | Output is correct |
5 | Correct | 11 ms | 1508 KB | Output is correct |
6 | Correct | 3 ms | 1508 KB | Output is correct |
7 | Correct | 8 ms | 1508 KB | Output is correct |
8 | Correct | 8 ms | 1508 KB | Output is correct |
9 | Correct | 12 ms | 1508 KB | Output is correct |
10 | Correct | 9 ms | 1508 KB | Output is correct |
11 | Correct | 10 ms | 1508 KB | Output is correct |
12 | Correct | 10 ms | 1508 KB | Output is correct |
13 | Correct | 9 ms | 1508 KB | Output is correct |
14 | Correct | 9 ms | 1516 KB | Output is correct |
15 | Correct | 10 ms | 1760 KB | Output is correct |
16 | Correct | 8 ms | 1760 KB | Output is correct |
17 | Correct | 9 ms | 1760 KB | Output is correct |
18 | Correct | 2 ms | 1760 KB | Output is correct |
19 | Correct | 8 ms | 1760 KB | Output is correct |
20 | Correct | 9 ms | 1760 KB | Output is correct |
21 | Correct | 9 ms | 1760 KB | Output is correct |
22 | Correct | 10 ms | 1760 KB | Output is correct |
23 | Correct | 8 ms | 1760 KB | Output is correct |
24 | Correct | 8 ms | 1508 KB | Output is correct |
25 | Correct | 10 ms | 1508 KB | Output is correct |
26 | Correct | 2 ms | 1508 KB | Output is correct |
27 | Correct | 8 ms | 1508 KB | Output is correct |
28 | Correct | 9 ms | 1508 KB | Output is correct |
29 | Correct | 10 ms | 1508 KB | Output is correct |
30 | Correct | 2 ms | 1508 KB | Output is correct |
31 | Correct | 9 ms | 1508 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 53 ms | 2168 KB | Output is correct |
2 | Correct | 107 ms | 2168 KB | Output is correct |
3 | Correct | 44 ms | 2224 KB | Output is correct |
4 | Correct | 47 ms | 2224 KB | Output is correct |
5 | Correct | 47 ms | 2272 KB | Output is correct |
6 | Correct | 44 ms | 2272 KB | Output is correct |
7 | Correct | 9 ms | 1760 KB | Output is correct |
8 | Correct | 2 ms | 1760 KB | Output is correct |
9 | Correct | 8 ms | 1760 KB | Output is correct |
10 | Correct | 9 ms | 1760 KB | Output is correct |
11 | Correct | 9 ms | 1760 KB | Output is correct |
12 | Correct | 10 ms | 1760 KB | Output is correct |
13 | Correct | 8 ms | 1760 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 8 ms | 1508 KB | Output is correct |
2 | Correct | 9 ms | 1508 KB | Output is correct |
3 | Correct | 9 ms | 1508 KB | Output is correct |
4 | Correct | 8 ms | 1508 KB | Output is correct |
5 | Correct | 11 ms | 1508 KB | Output is correct |
6 | Correct | 3 ms | 1508 KB | Output is correct |
7 | Correct | 8 ms | 1508 KB | Output is correct |
8 | Correct | 8 ms | 1508 KB | Output is correct |
9 | Correct | 12 ms | 1508 KB | Output is correct |
10 | Correct | 9 ms | 1508 KB | Output is correct |
11 | Correct | 10 ms | 1508 KB | Output is correct |
12 | Correct | 10 ms | 1508 KB | Output is correct |
13 | Correct | 9 ms | 1508 KB | Output is correct |
14 | Correct | 9 ms | 1516 KB | Output is correct |
15 | Correct | 10 ms | 1760 KB | Output is correct |
16 | Correct | 8 ms | 1760 KB | Output is correct |
17 | Correct | 53 ms | 2168 KB | Output is correct |
18 | Correct | 107 ms | 2168 KB | Output is correct |
19 | Correct | 44 ms | 2224 KB | Output is correct |
20 | Correct | 47 ms | 2224 KB | Output is correct |
21 | Correct | 47 ms | 2272 KB | Output is correct |
22 | Correct | 44 ms | 2272 KB | Output is correct |
23 | Correct | 9 ms | 1760 KB | Output is correct |
24 | Correct | 2 ms | 1760 KB | Output is correct |
25 | Correct | 8 ms | 1760 KB | Output is correct |
26 | Correct | 9 ms | 1760 KB | Output is correct |
27 | Correct | 9 ms | 1760 KB | Output is correct |
28 | Correct | 10 ms | 1760 KB | Output is correct |
29 | Correct | 8 ms | 1760 KB | Output is correct |
30 | Correct | 43 ms | 2272 KB | Output is correct |
31 | Correct | 46 ms | 2292 KB | Output is correct |
32 | Correct | 65 ms | 2764 KB | Output is correct |
33 | Correct | 45 ms | 2844 KB | Output is correct |
34 | Correct | 49 ms | 2920 KB | Output is correct |
35 | Correct | 45 ms | 2920 KB | Output is correct |
36 | Correct | 97 ms | 4876 KB | Output is correct |
37 | Correct | 2 ms | 4876 KB | Output is correct |
38 | Correct | 2 ms | 4876 KB | Output is correct |
39 | Correct | 87 ms | 5032 KB | Output is correct |
40 | Correct | 47 ms | 5132 KB | Output is correct |
41 | Correct | 47 ms | 5132 KB | Output is correct |
42 | Correct | 44 ms | 5132 KB | Output is correct |
43 | Correct | 46 ms | 5132 KB | Output is correct |
44 | Correct | 2 ms | 5132 KB | Output is correct |
45 | Correct | 11 ms | 5132 KB | Output is correct |
46 | Correct | 10 ms | 5132 KB | Output is correct |
47 | Correct | 11 ms | 5132 KB | Output is correct |
48 | Correct | 104 ms | 7660 KB | Output is correct |
49 | Correct | 98 ms | 9544 KB | Output is correct |
50 | Correct | 2 ms | 9544 KB | Output is correct |
51 | Correct | 81 ms | 1148 KB | Output is correct |
52 | Correct | 42 ms | 1508 KB | Output is correct |
53 | Correct | 44 ms | 1508 KB | Output is correct |
54 | Correct | 10 ms | 1508 KB | Output is correct |
55 | Correct | 10 ms | 1508 KB | Output is correct |
56 | Correct | 8 ms | 1508 KB | Output is correct |
57 | Correct | 10 ms | 1508 KB | Output is correct |
58 | Correct | 2 ms | 1508 KB | Output is correct |
59 | Correct | 8 ms | 1508 KB | Output is correct |
60 | Correct | 9 ms | 1508 KB | Output is correct |
61 | Correct | 10 ms | 1508 KB | Output is correct |
62 | Correct | 2 ms | 1508 KB | Output is correct |
63 | Correct | 9 ms | 1508 KB | Output is correct |