oj.uz

Submission #395318

# Submission time Handle Problem Language Result Execution time Memory
395318 2021-04-28T07:56:08 Z Bill_00 Travelling Merchant (APIO17_merchant) C++14
100 / 100
 114 ms 4404 KB 
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define N 105
#define K 1005
#define M 10005
typedef long long ll;
using namespace std;
ll n,m,k;
ll u[M],v[M],w[M];
ll b[N][K],s[N][K];
ll dist[N][N],profit[N][N],adj[N][N];
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> n >> m >> k;
	for(ll i=1;i<=n;i++){
		for(ll j=1;j<=k;j++){
			cin >> b[i][j] >> s[i][j];
		}
		for(ll j=1;j<=n;j++){
			dist[i][j]=1000000001;
		}
	}
	for(ll i=1;i<=m;i++){
		cin >> u[i] >> v[i] >> w[i];
		dist[u[i]][v[i]]=w[i];
	}
	for(ll q=1;q<=n;q++){
		for(ll i=1;i<=n;i++){
			for(ll j=1;j<=n;j++){
				dist[i][j]=min(dist[i][j],dist[i][q]+dist[q][j]);
			}
		}
	}
	for(ll q=1;q<=n;q++){
		for(ll i=1;i<=n;i++){
			if(dist[q][i]==1000000001) continue;
			for(ll j=1;j<=k;j++){
				if(b[q][j]!=-1 && s[i][j]!=-1){
					profit[q][i]=max(profit[q][i],s[i][j]-b[q][j]);
				}
			}
		}
	}
	ll l=0,r=1000000001;
	while(l!=r){
		ll mid=(l+r+1)>>1;
		for(ll i=1;i<=n;i++){
			for(ll j=1;j<=n;j++){
				adj[i][j]=profit[i][j]-mid*dist[i][j];
			}
		}
		for(ll q=1;q<=n;q++){
			for(ll i=1;i<=n;i++){
				for(ll j=1;j<=n;j++){
					adj[i][j]=max(adj[i][j],adj[i][q]+adj[q][j]);
				}
			}
		}
		bool flag=0;
		for(ll i=1;i<=n;i++){
			if(adj[i][i]>=0) flag=1;
		}
		if(flag==1){
			l=mid;
		}
		else r=mid-1;
	}
	cout << l;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 2080 KB Output is correct
2 Correct 39 ms 1304 KB Output is correct
3 Correct 41 ms 1316 KB Output is correct
4 Correct 6 ms 716 KB Output is correct
5 Correct 6 ms 836 KB Output is correct
6 Correct 6 ms 716 KB Output is correct
7 Correct 7 ms 908 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 6 ms 716 KB Output is correct
10 Correct 6 ms 844 KB Output is correct
11 Correct 7 ms 716 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 8 ms 844 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 716 KB Output is correct
2 Correct 7 ms 908 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 6 ms 716 KB Output is correct
5 Correct 6 ms 844 KB Output is correct
6 Correct 7 ms 716 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 8 ms 844 KB Output is correct
9 Correct 6 ms 848 KB Output is correct
10 Correct 6 ms 844 KB Output is correct
11 Correct 7 ms 844 KB Output is correct
12 Correct 6 ms 844 KB Output is correct
13 Correct 8 ms 980 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 6 ms 840 KB Output is correct
16 Correct 9 ms 932 KB Output is correct
17 Correct 6 ms 844 KB Output is correct
18 Correct 7 ms 844 KB Output is correct
19 Correct 8 ms 972 KB Output is correct
20 Correct 8 ms 844 KB Output is correct
21 Correct 7 ms 848 KB Output is correct
22 Correct 7 ms 844 KB Output is correct
23 Correct 8 ms 972 KB Output is correct
24 Correct 6 ms 844 KB Output is correct
25 Correct 7 ms 848 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 8 ms 972 KB Output is correct
28 Correct 7 ms 844 KB Output is correct
29 Correct 7 ms 844 KB Output is correct
30 Correct 7 ms 844 KB Output is correct
31 Correct 8 ms 844 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 848 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 8 ms 972 KB Output is correct
4 Correct 7 ms 844 KB Output is correct
5 Correct 7 ms 844 KB Output is correct
6 Correct 7 ms 844 KB Output is correct
7 Correct 8 ms 844 KB Output is correct
8 Correct 46 ms 1484 KB Output is correct
9 Correct 114 ms 3896 KB Output is correct
10 Correct 43 ms 1484 KB Output is correct
11 Correct 48 ms 1728 KB Output is correct
12 Correct 50 ms 1764 KB Output is correct
13 Correct 43 ms 1540 KB Output is correct

Subtask #4
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 848 KB Output is correct
2 Correct 6 ms 844 KB Output is correct
3 Correct 7 ms 844 KB Output is correct
4 Correct 6 ms 844 KB Output is correct
5 Correct 8 ms 980 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 6 ms 840 KB Output is correct
8 Correct 9 ms 932 KB Output is correct
9 Correct 6 ms 844 KB Output is correct
10 Correct 7 ms 844 KB Output is correct
11 Correct 8 ms 972 KB Output is correct
12 Correct 8 ms 844 KB Output is correct
13 Correct 7 ms 848 KB Output is correct
14 Correct 7 ms 844 KB Output is correct
15 Correct 8 ms 972 KB Output is correct
16 Correct 6 ms 844 KB Output is correct
17 Correct 46 ms 1484 KB Output is correct
18 Correct 114 ms 3896 KB Output is correct
19 Correct 43 ms 1484 KB Output is correct
20 Correct 48 ms 1728 KB Output is correct
21 Correct 50 ms 1764 KB Output is correct
22 Correct 43 ms 1540 KB Output is correct
23 Correct 7 ms 848 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 8 ms 972 KB Output is correct
26 Correct 7 ms 844 KB Output is correct
27 Correct 7 ms 844 KB Output is correct
28 Correct 7 ms 844 KB Output is correct
29 Correct 8 ms 844 KB Output is correct
30 Correct 69 ms 2080 KB Output is correct
31 Correct 39 ms 1304 KB Output is correct
32 Correct 41 ms 1316 KB Output is correct
33 Correct 6 ms 716 KB Output is correct
34 Correct 6 ms 836 KB Output is correct
35 Correct 6 ms 716 KB Output is correct
36 Correct 7 ms 908 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 6 ms 716 KB Output is correct
39 Correct 6 ms 844 KB Output is correct
40 Correct 7 ms 716 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 8 ms 844 KB Output is correct
43 Correct 54 ms 1356 KB Output is correct
44 Correct 44 ms 1612 KB Output is correct
45 Correct 62 ms 2632 KB Output is correct
46 Correct 43 ms 1612 KB Output is correct
47 Correct 44 ms 1612 KB Output is correct
48 Correct 47 ms 1612 KB Output is correct
49 Correct 102 ms 3980 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 41 ms 1356 KB Output is correct
53 Correct 43 ms 1612 KB Output is correct
54 Correct 42 ms 1484 KB Output is correct
55 Correct 42 ms 1356 KB Output is correct
56 Correct 42 ms 1360 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 8 ms 972 KB Output is correct
59 Correct 11 ms 972 KB Output is correct
60 Correct 8 ms 972 KB Output is correct
61 Correct 105 ms 4404 KB Output is correct
62 Correct 103 ms 4396 KB Output is correct
63 Correct 1 ms 332 KB Output is correct