# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
155116 | 2019-09-26T11:37:16 Z | mhy908 | Travelling Merchant (APIO17_merchant) | C++14 | 112 ms | 4252 KB |
#include <bits/stdc++.h> #define F first #define S second #define pb push_back #define llinf 987654321987654321 #define inf 1987654321 using namespace std; typedef long long LL; int n, m, k; LL buy[110][1010], sell[110][1010]; LL floyd[110][110]; LL cost[110][110]; LL edge[110][110]; bool negcycle() { for(int k=1; k<=n; k++){ for(int i=1; i<=n; i++){ for(int j=1; j<=n; j++){ edge[i][j]=min(edge[i][j], edge[i][k]+edge[k][j]); } } } bool ret=false; for(int i=1; i<=n; i++){ if(edge[i][i]<=0)ret=true; } return ret; } LL binsearch(LL a, LL b){ if(a==b)return a; LL mid=(a+b)/2+1; for(int i=1; i<=n; i++){ for(int j=1; j<=n; j++){ edge[i][j]=min((LL)inf, mid*floyd[i][j]-cost[i][j]); } } if(negcycle())return binsearch(mid, b); return binsearch(a, mid-1); } int main() { scanf("%d %d %d", &n, &m, &k); for(int i=1; i<=n; i++) for(int j=1; j<=k; j++) scanf("%lld %lld", &buy[i][j], &sell[i][j]); for(int i=1; i<=n; i++)for(int j=1; j<=n; j++)floyd[i][j]=inf; for(int i=1; i<=m; i++){ int a, b; LL c; scanf("%d %d %lld", &a, &b, &c); floyd[a][b]=min(floyd[a][b], c); } for(int k=1; k<=n; k++){ for(int i=1; i<=n; i++){ for(int j=1; j<=n; j++){ floyd[i][j]=min(floyd[i][j], floyd[i][k]+floyd[k][j]); } } } for(int i=1; i<=n; i++){ for(int j=1; j<=n; j++){ for(int z=1; z<=k; z++){ if(sell[j][z]>=0&&buy[i][z]>=0)cost[i][j]=max(cost[i][j], sell[j][z]-buy[i][z]); } } } printf("%lld", binsearch(0, (LL)inf)); }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 78 ms | 3448 KB | Output is correct |
2 | Correct | 44 ms | 1272 KB | Output is correct |
3 | Correct | 44 ms | 1272 KB | Output is correct |
4 | Correct | 8 ms | 888 KB | Output is correct |
5 | Correct | 8 ms | 760 KB | Output is correct |
6 | Correct | 8 ms | 760 KB | Output is correct |
7 | Correct | 10 ms | 888 KB | Output is correct |
8 | Correct | 2 ms | 376 KB | Output is correct |
9 | Correct | 8 ms | 760 KB | Output is correct |
10 | Correct | 8 ms | 888 KB | Output is correct |
11 | Correct | 8 ms | 888 KB | Output is correct |
12 | Correct | 2 ms | 504 KB | Output is correct |
13 | Correct | 9 ms | 888 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 888 KB | Output is correct |
2 | Correct | 2 ms | 888 KB | Output is correct |
3 | Correct | 9 ms | 888 KB | Output is correct |
4 | Correct | 8 ms | 888 KB | Output is correct |
5 | Correct | 10 ms | 1016 KB | Output is correct |
6 | Correct | 2 ms | 376 KB | Output is correct |
7 | Correct | 8 ms | 888 KB | Output is correct |
8 | Correct | 9 ms | 888 KB | Output is correct |
9 | Correct | 9 ms | 888 KB | Output is correct |
10 | Correct | 9 ms | 888 KB | Output is correct |
11 | Correct | 10 ms | 888 KB | Output is correct |
12 | Correct | 10 ms | 988 KB | Output is correct |
13 | Correct | 10 ms | 888 KB | Output is correct |
14 | Correct | 9 ms | 888 KB | Output is correct |
15 | Correct | 11 ms | 1016 KB | Output is correct |
16 | Correct | 9 ms | 888 KB | Output is correct |
17 | Correct | 9 ms | 888 KB | Output is correct |
18 | Correct | 2 ms | 376 KB | Output is correct |
19 | Correct | 9 ms | 888 KB | Output is correct |
20 | Correct | 10 ms | 968 KB | Output is correct |
21 | Correct | 10 ms | 888 KB | Output is correct |
22 | Correct | 9 ms | 888 KB | Output is correct |
23 | Correct | 8 ms | 888 KB | Output is correct |
24 | Correct | 8 ms | 760 KB | Output is correct |
25 | Correct | 10 ms | 888 KB | Output is correct |
26 | Correct | 2 ms | 376 KB | Output is correct |
27 | Correct | 8 ms | 760 KB | Output is correct |
28 | Correct | 8 ms | 888 KB | Output is correct |
29 | Correct | 8 ms | 888 KB | Output is correct |
30 | Correct | 2 ms | 504 KB | Output is correct |
31 | Correct | 9 ms | 888 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 50 ms | 1784 KB | Output is correct |
2 | Correct | 102 ms | 4088 KB | Output is correct |
3 | Correct | 46 ms | 1500 KB | Output is correct |
4 | Correct | 50 ms | 1772 KB | Output is correct |
5 | Correct | 49 ms | 1656 KB | Output is correct |
6 | Correct | 45 ms | 1528 KB | Output is correct |
7 | Correct | 9 ms | 888 KB | Output is correct |
8 | Correct | 2 ms | 376 KB | Output is correct |
9 | Correct | 9 ms | 888 KB | Output is correct |
10 | Correct | 10 ms | 968 KB | Output is correct |
11 | Correct | 10 ms | 888 KB | Output is correct |
12 | Correct | 9 ms | 888 KB | Output is correct |
13 | Correct | 8 ms | 888 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 888 KB | Output is correct |
2 | Correct | 2 ms | 888 KB | Output is correct |
3 | Correct | 9 ms | 888 KB | Output is correct |
4 | Correct | 8 ms | 888 KB | Output is correct |
5 | Correct | 10 ms | 1016 KB | Output is correct |
6 | Correct | 2 ms | 376 KB | Output is correct |
7 | Correct | 8 ms | 888 KB | Output is correct |
8 | Correct | 9 ms | 888 KB | Output is correct |
9 | Correct | 9 ms | 888 KB | Output is correct |
10 | Correct | 9 ms | 888 KB | Output is correct |
11 | Correct | 10 ms | 888 KB | Output is correct |
12 | Correct | 10 ms | 988 KB | Output is correct |
13 | Correct | 10 ms | 888 KB | Output is correct |
14 | Correct | 9 ms | 888 KB | Output is correct |
15 | Correct | 11 ms | 1016 KB | Output is correct |
16 | Correct | 9 ms | 888 KB | Output is correct |
17 | Correct | 50 ms | 1784 KB | Output is correct |
18 | Correct | 102 ms | 4088 KB | Output is correct |
19 | Correct | 46 ms | 1500 KB | Output is correct |
20 | Correct | 50 ms | 1772 KB | Output is correct |
21 | Correct | 49 ms | 1656 KB | Output is correct |
22 | Correct | 45 ms | 1528 KB | Output is correct |
23 | Correct | 9 ms | 888 KB | Output is correct |
24 | Correct | 2 ms | 376 KB | Output is correct |
25 | Correct | 9 ms | 888 KB | Output is correct |
26 | Correct | 10 ms | 968 KB | Output is correct |
27 | Correct | 10 ms | 888 KB | Output is correct |
28 | Correct | 9 ms | 888 KB | Output is correct |
29 | Correct | 8 ms | 888 KB | Output is correct |
30 | Correct | 45 ms | 1504 KB | Output is correct |
31 | Correct | 47 ms | 1656 KB | Output is correct |
32 | Correct | 66 ms | 2608 KB | Output is correct |
33 | Correct | 47 ms | 1528 KB | Output is correct |
34 | Correct | 47 ms | 1528 KB | Output is correct |
35 | Correct | 47 ms | 1660 KB | Output is correct |
36 | Correct | 109 ms | 4088 KB | Output is correct |
37 | Correct | 2 ms | 376 KB | Output is correct |
38 | Correct | 2 ms | 376 KB | Output is correct |
39 | Correct | 43 ms | 1400 KB | Output is correct |
40 | Correct | 48 ms | 1528 KB | Output is correct |
41 | Correct | 46 ms | 1528 KB | Output is correct |
42 | Correct | 44 ms | 1528 KB | Output is correct |
43 | Correct | 45 ms | 1400 KB | Output is correct |
44 | Correct | 2 ms | 376 KB | Output is correct |
45 | Correct | 11 ms | 1016 KB | Output is correct |
46 | Correct | 11 ms | 1016 KB | Output is correct |
47 | Correct | 12 ms | 1016 KB | Output is correct |
48 | Correct | 111 ms | 4216 KB | Output is correct |
49 | Correct | 112 ms | 4252 KB | Output is correct |
50 | Correct | 2 ms | 504 KB | Output is correct |
51 | Correct | 78 ms | 3448 KB | Output is correct |
52 | Correct | 44 ms | 1272 KB | Output is correct |
53 | Correct | 44 ms | 1272 KB | Output is correct |
54 | Correct | 8 ms | 888 KB | Output is correct |
55 | Correct | 8 ms | 760 KB | Output is correct |
56 | Correct | 8 ms | 760 KB | Output is correct |
57 | Correct | 10 ms | 888 KB | Output is correct |
58 | Correct | 2 ms | 376 KB | Output is correct |
59 | Correct | 8 ms | 760 KB | Output is correct |
60 | Correct | 8 ms | 888 KB | Output is correct |
61 | Correct | 8 ms | 888 KB | Output is correct |
62 | Correct | 2 ms | 504 KB | Output is correct |
63 | Correct | 9 ms | 888 KB | Output is correct |