Submission #367417

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
367417	2021-02-17T08:44:45 Z	ogibogi2004	Travelling Merchant (APIO17_merchant)	C++14	100 / 100	168 ms	4460 KB

merchant

#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll INF=2e17;
const int MAXN=128;
const int MAXK=1024;
ll mindist[MAXN][MAXN];
ll maxearn[MAXN][MAXN];
ll n,m,k;
ll b[MAXN][MAXK];
ll s[MAXN][MAXK];
ll g[MAXN][MAXN];
bool ok(ll r)
{
	for(int i=0;i<MAXN;i++)
	{
		for(int j=0;j<MAXN;j++)
		{
			g[i][j]=INF;
		}
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			if(mindist[i][j]>=INF)continue;
			g[i][j]=r*mindist[i][j]-maxearn[i][j];
		}
	}
	/*cout<<r<<endl;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			cout<<g[i][j]<<" ";
		}
		cout<<endl;
	}*/
	for(int j=1;j<=n;j++)
	{
		for(int i=1;i<=n;i++)
		{
			for(int l=1;l<=n;l++)
			{
				g[i][l]=min(g[i][l],g[i][j]+g[j][l]);
			}
		}
	}
	/*cout<<"-------------\n";
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			cout<<g[i][j]<<" ";
		}
		cout<<endl;
	}*/
	for(int i=1;i<=n;i++)
	{
		if(g[i][i]<=0)return 1;
	}
	return 0;
}
int main()
{
	for(int i=0;i<MAXN;i++)
	{
		for(int j=0;j<MAXN;j++)
		{
			mindist[i][j]=INF;
		}
	}
	cin>>n>>m>>k;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=k;j++)
		{
			cin>>b[i][j]>>s[i][j];
		}
	}
	for(int i=1;i<=m;i++)
	{
		ll v,w,t;
		cin>>v>>w>>t;
		mindist[v][w]=min(mindist[v][w],t);
	}
	for(int j=1;j<=n;j++)
	{
		for(int i=1;i<=n;i++)
		{
			for(int l=1;l<=n;l++)
			{
				if(mindist[i][j]+mindist[j][l]<mindist[i][l])
				{
					mindist[i][l]=mindist[i][j]+mindist[j][l];
				}
			}
		}
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			if(mindist[i][j]==INF)continue;
			for(int l=1;l<=k;l++)
			{
				if(s[j][l]==-1||b[i][l]==-1)continue;
				maxearn[i][j]=max(maxearn[i][j],s[j][l]-b[i][l]);
			}
		}
	}
	ll low=0,high=1000000000,mid,ans;
	while(low<=high)
	{
		mid=(low+high)/2;
		if(ok(mid))
		{
			ans=mid;
			low=mid+1;
		}
		else high=mid-1;
	}
	cout<<ans<<endl;
return 0;
}

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	111 ms	2284 KB	Output is correct
2	Correct	39 ms	1388 KB	Output is correct
3	Correct	42 ms	1516 KB	Output is correct
4	Correct	9 ms	1004 KB	Output is correct
5	Correct	7 ms	1004 KB	Output is correct
6	Correct	7 ms	1004 KB	Output is correct
7	Correct	8 ms	1004 KB	Output is correct
8	Correct	1 ms	620 KB	Output is correct
9	Correct	6 ms	1004 KB	Output is correct
10	Correct	7 ms	1004 KB	Output is correct
11	Correct	7 ms	1040 KB	Output is correct
12	Correct	2 ms	620 KB	Output is correct
13	Correct	8 ms	1004 KB	Output is correct

Subtask #2
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	1004 KB	Output is correct
2	Correct	8 ms	1004 KB	Output is correct
3	Correct	1 ms	620 KB	Output is correct
4	Correct	6 ms	1004 KB	Output is correct
5	Correct	7 ms	1004 KB	Output is correct
6	Correct	7 ms	1040 KB	Output is correct
7	Correct	2 ms	620 KB	Output is correct
8	Correct	8 ms	1004 KB	Output is correct
9	Correct	9 ms	1004 KB	Output is correct
10	Correct	7 ms	1004 KB	Output is correct
11	Correct	8 ms	1004 KB	Output is correct
12	Correct	7 ms	1004 KB	Output is correct
13	Correct	9 ms	1004 KB	Output is correct
14	Correct	1 ms	620 KB	Output is correct
15	Correct	7 ms	1004 KB	Output is correct
16	Correct	8 ms	1004 KB	Output is correct
17	Correct	7 ms	1004 KB	Output is correct
18	Correct	7 ms	1004 KB	Output is correct
19	Correct	9 ms	1004 KB	Output is correct
20	Correct	9 ms	1004 KB	Output is correct
21	Correct	9 ms	1004 KB	Output is correct
22	Correct	8 ms	1004 KB	Output is correct
23	Correct	12 ms	1004 KB	Output is correct
24	Correct	7 ms	1004 KB	Output is correct
25	Correct	8 ms	1004 KB	Output is correct
26	Correct	1 ms	620 KB	Output is correct
27	Correct	9 ms	1004 KB	Output is correct
28	Correct	13 ms	1004 KB	Output is correct
29	Correct	9 ms	1004 KB	Output is correct
30	Correct	8 ms	1004 KB	Output is correct
31	Correct	7 ms	1004 KB	Output is correct

Subtask #3
33.0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	1004 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	9 ms	1004 KB	Output is correct
4	Correct	13 ms	1004 KB	Output is correct
5	Correct	9 ms	1004 KB	Output is correct
6	Correct	8 ms	1004 KB	Output is correct
7	Correct	7 ms	1004 KB	Output is correct
8	Correct	49 ms	1516 KB	Output is correct
9	Correct	147 ms	2412 KB	Output is correct
10	Correct	48 ms	1516 KB	Output is correct
11	Correct	53 ms	1644 KB	Output is correct
12	Correct	53 ms	1772 KB	Output is correct
13	Correct	45 ms	1516 KB	Output is correct

Subtask #4
34.0 / 34.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	1004 KB	Output is correct
2	Correct	7 ms	1004 KB	Output is correct
3	Correct	8 ms	1004 KB	Output is correct
4	Correct	7 ms	1004 KB	Output is correct
5	Correct	9 ms	1004 KB	Output is correct
6	Correct	1 ms	620 KB	Output is correct
7	Correct	7 ms	1004 KB	Output is correct
8	Correct	8 ms	1004 KB	Output is correct
9	Correct	7 ms	1004 KB	Output is correct
10	Correct	7 ms	1004 KB	Output is correct
11	Correct	9 ms	1004 KB	Output is correct
12	Correct	9 ms	1004 KB	Output is correct
13	Correct	9 ms	1004 KB	Output is correct
14	Correct	8 ms	1004 KB	Output is correct
15	Correct	12 ms	1004 KB	Output is correct
16	Correct	7 ms	1004 KB	Output is correct
17	Correct	49 ms	1516 KB	Output is correct
18	Correct	147 ms	2412 KB	Output is correct
19	Correct	48 ms	1516 KB	Output is correct
20	Correct	53 ms	1644 KB	Output is correct
21	Correct	53 ms	1772 KB	Output is correct
22	Correct	45 ms	1516 KB	Output is correct
23	Correct	8 ms	1004 KB	Output is correct
24	Correct	1 ms	620 KB	Output is correct
25	Correct	9 ms	1004 KB	Output is correct
26	Correct	13 ms	1004 KB	Output is correct
27	Correct	9 ms	1004 KB	Output is correct
28	Correct	8 ms	1004 KB	Output is correct
29	Correct	7 ms	1004 KB	Output is correct
30	Correct	111 ms	2284 KB	Output is correct
31	Correct	39 ms	1388 KB	Output is correct
32	Correct	42 ms	1516 KB	Output is correct
33	Correct	9 ms	1004 KB	Output is correct
34	Correct	7 ms	1004 KB	Output is correct
35	Correct	7 ms	1004 KB	Output is correct
36	Correct	8 ms	1004 KB	Output is correct
37	Correct	1 ms	620 KB	Output is correct
38	Correct	6 ms	1004 KB	Output is correct
39	Correct	7 ms	1004 KB	Output is correct
40	Correct	7 ms	1040 KB	Output is correct
41	Correct	2 ms	620 KB	Output is correct
42	Correct	8 ms	1004 KB	Output is correct
43	Correct	41 ms	1516 KB	Output is correct
44	Correct	46 ms	1644 KB	Output is correct
45	Correct	88 ms	2796 KB	Output is correct
46	Correct	45 ms	1604 KB	Output is correct
47	Correct	45 ms	1516 KB	Output is correct
48	Correct	46 ms	1516 KB	Output is correct
49	Correct	157 ms	4204 KB	Output is correct
50	Correct	1 ms	620 KB	Output is correct
51	Correct	1 ms	620 KB	Output is correct
52	Correct	54 ms	1516 KB	Output is correct
53	Correct	58 ms	1516 KB	Output is correct
54	Correct	42 ms	1516 KB	Output is correct
55	Correct	41 ms	1516 KB	Output is correct
56	Correct	41 ms	1388 KB	Output is correct
57	Correct	1 ms	620 KB	Output is correct
58	Correct	11 ms	1132 KB	Output is correct
59	Correct	13 ms	1132 KB	Output is correct
60	Correct	11 ms	1132 KB	Output is correct
61	Correct	168 ms	4460 KB	Output is correct
62	Correct	164 ms	4332 KB	Output is correct
63	Correct	1 ms	620 KB	Output is correct

Submission #367417

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 21.0 / 21.0

Subtask #3 33.0 / 33.0

Subtask #4 34.0 / 34.0

Subtask #1
12.0 / 12.0

Subtask #2
21.0 / 21.0

Subtask #3
33.0 / 33.0

Subtask #4
34.0 / 34.0