# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
241391 | 2020-06-24T07:18:08 Z | nafis_shifat | 여행하는 상인 (APIO17_merchant) | C++14 | 141 ms | 2296 KB |
#include<bits/stdc++.h> #define ll long long using namespace std; const int mxn=101; const ll inf=1e10+6; const ll inf2=1e13; const int mxk=1001; int n; ll b[mxn][mxk],s[mxn][mxk]; ll g[mxn][mxn]; ll pr[mxn][mxn]; ll adj[mxn][mxn]; bool check(ll d) { for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) { adj[i][j]=d*g[i][j]-max(0ll,pr[i][j]); adj[i][j]=min(adj[i][j],inf2); } adj[i][i]=inf; } for(int k=1;k<=n;k++) { for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) { adj[i][j]=min(adj[i][j],adj[i][k]+adj[k][j]); } } } for(int i=1;i<=n;i++) if(adj[i][i]<=0) { return true; } return false; } int main() { int m,k; cin>>n>>m>>k; for(int i=1;i<=n;i++) { for(int j=1;j<=k;j++) { scanf("%lld",&b[i][j]); scanf("%lld",&s[i][j]); } } for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) g[i][j]=inf; for(int i=1;i<=m;i++) { int u,v;ll w; scanf("%d%d%lld",&u,&v,&w); g[u][v]=w; } for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) { pr[i][j]=-inf; for(int x=1;x<=k;x++) { if(s[j][x]!=-1 && b[i][x]!=-1) pr[i][j]=max(pr[i][j],s[j][x]-b[i][x]); } } } for(int l=1;l<=n;l++) { for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) { g[i][j]=min(g[i][j],g[i][l]+g[l][j]); } } } int lo=1; int hi=1e9+2; int ans=0; while(lo<=hi) { int mid=lo+hi>>1; if(check(mid)) { ans=mid; lo=mid+1; } else { hi=mid-1; } } cout<<ans<<endl; }
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 77 ms | 2296 KB | Output is correct |
2 | Correct | 41 ms | 1408 KB | Output is correct |
3 | Correct | 45 ms | 1408 KB | Output is correct |
4 | Correct | 10 ms | 896 KB | Output is correct |
5 | Correct | 10 ms | 896 KB | Output is correct |
6 | Correct | 10 ms | 896 KB | Output is correct |
7 | Correct | 10 ms | 896 KB | Output is correct |
8 | Correct | 4 ms | 384 KB | Output is correct |
9 | Correct | 10 ms | 896 KB | Output is correct |
10 | Correct | 10 ms | 896 KB | Output is correct |
11 | Correct | 10 ms | 896 KB | Output is correct |
12 | Correct | 5 ms | 384 KB | Output is correct |
13 | Correct | 10 ms | 896 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 10 ms | 896 KB | Output is correct |
2 | Correct | 10 ms | 896 KB | Output is correct |
3 | Correct | 14 ms | 896 KB | Output is correct |
4 | Correct | 13 ms | 896 KB | Output is correct |
5 | Correct | 15 ms | 1024 KB | Output is correct |
6 | Correct | 4 ms | 384 KB | Output is correct |
7 | Correct | 10 ms | 896 KB | Output is correct |
8 | Correct | 11 ms | 896 KB | Output is correct |
9 | Correct | 12 ms | 896 KB | Output is correct |
10 | Correct | 10 ms | 896 KB | Output is correct |
11 | Correct | 13 ms | 896 KB | Output is correct |
12 | Correct | 17 ms | 896 KB | Output is correct |
13 | Correct | 11 ms | 896 KB | Output is correct |
14 | Correct | 11 ms | 948 KB | Output is correct |
15 | Correct | 12 ms | 896 KB | Output is correct |
16 | Correct | 10 ms | 896 KB | Output is correct |
17 | Correct | 11 ms | 896 KB | Output is correct |
18 | Correct | 4 ms | 384 KB | Output is correct |
19 | Correct | 11 ms | 896 KB | Output is correct |
20 | Correct | 11 ms | 896 KB | Output is correct |
21 | Correct | 11 ms | 896 KB | Output is correct |
22 | Correct | 10 ms | 896 KB | Output is correct |
23 | Correct | 10 ms | 896 KB | Output is correct |
24 | Correct | 10 ms | 896 KB | Output is correct |
25 | Correct | 10 ms | 896 KB | Output is correct |
26 | Correct | 4 ms | 384 KB | Output is correct |
27 | Correct | 10 ms | 896 KB | Output is correct |
28 | Correct | 10 ms | 896 KB | Output is correct |
29 | Correct | 10 ms | 896 KB | Output is correct |
30 | Correct | 5 ms | 384 KB | Output is correct |
31 | Correct | 10 ms | 896 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 78 ms | 1536 KB | Output is correct |
2 | Correct | 105 ms | 2168 KB | Output is correct |
3 | Correct | 45 ms | 1408 KB | Output is correct |
4 | Correct | 61 ms | 1556 KB | Output is correct |
5 | Correct | 89 ms | 1536 KB | Output is correct |
6 | Correct | 46 ms | 1408 KB | Output is correct |
7 | Correct | 11 ms | 896 KB | Output is correct |
8 | Correct | 4 ms | 384 KB | Output is correct |
9 | Correct | 11 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 | 10 ms | 896 KB | Output is correct |
13 | Correct | 10 ms | 896 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 10 ms | 896 KB | Output is correct |
2 | Correct | 10 ms | 896 KB | Output is correct |
3 | Correct | 14 ms | 896 KB | Output is correct |
4 | Correct | 13 ms | 896 KB | Output is correct |
5 | Correct | 15 ms | 1024 KB | Output is correct |
6 | Correct | 4 ms | 384 KB | Output is correct |
7 | Correct | 10 ms | 896 KB | Output is correct |
8 | Correct | 11 ms | 896 KB | Output is correct |
9 | Correct | 12 ms | 896 KB | Output is correct |
10 | Correct | 10 ms | 896 KB | Output is correct |
11 | Correct | 13 ms | 896 KB | Output is correct |
12 | Correct | 17 ms | 896 KB | Output is correct |
13 | Correct | 11 ms | 896 KB | Output is correct |
14 | Correct | 11 ms | 948 KB | Output is correct |
15 | Correct | 12 ms | 896 KB | Output is correct |
16 | Correct | 10 ms | 896 KB | Output is correct |
17 | Correct | 78 ms | 1536 KB | Output is correct |
18 | Correct | 105 ms | 2168 KB | Output is correct |
19 | Correct | 45 ms | 1408 KB | Output is correct |
20 | Correct | 61 ms | 1556 KB | Output is correct |
21 | Correct | 89 ms | 1536 KB | Output is correct |
22 | Correct | 46 ms | 1408 KB | Output is correct |
23 | Correct | 11 ms | 896 KB | Output is correct |
24 | Correct | 4 ms | 384 KB | Output is correct |
25 | Correct | 11 ms | 896 KB | Output is correct |
26 | Correct | 11 ms | 896 KB | Output is correct |
27 | Correct | 11 ms | 896 KB | Output is correct |
28 | Correct | 10 ms | 896 KB | Output is correct |
29 | Correct | 10 ms | 896 KB | Output is correct |
30 | Correct | 43 ms | 1432 KB | Output is correct |
31 | Correct | 46 ms | 1536 KB | Output is correct |
32 | Correct | 64 ms | 2168 KB | Output is correct |
33 | Correct | 45 ms | 1640 KB | Output is correct |
34 | Correct | 55 ms | 1656 KB | Output is correct |
35 | Correct | 44 ms | 1536 KB | Output is correct |
36 | Correct | 112 ms | 2168 KB | Output is correct |
37 | Correct | 4 ms | 384 KB | Output is correct |
38 | Correct | 5 ms | 432 KB | Output is correct |
39 | Correct | 45 ms | 1408 KB | Output is correct |
40 | Correct | 55 ms | 1408 KB | Output is correct |
41 | Correct | 68 ms | 1408 KB | Output is correct |
42 | Correct | 43 ms | 1408 KB | Output is correct |
43 | Correct | 42 ms | 1408 KB | Output is correct |
44 | Correct | 5 ms | 384 KB | Output is correct |
45 | Correct | 13 ms | 896 KB | Output is correct |
46 | Correct | 13 ms | 896 KB | Output is correct |
47 | Correct | 13 ms | 896 KB | Output is correct |
48 | Correct | 141 ms | 2144 KB | Output is correct |
49 | Correct | 117 ms | 2168 KB | Output is correct |
50 | Correct | 5 ms | 384 KB | Output is correct |
51 | Correct | 77 ms | 2296 KB | Output is correct |
52 | Correct | 41 ms | 1408 KB | Output is correct |
53 | Correct | 45 ms | 1408 KB | Output is correct |
54 | Correct | 10 ms | 896 KB | Output is correct |
55 | Correct | 10 ms | 896 KB | Output is correct |
56 | Correct | 10 ms | 896 KB | Output is correct |
57 | Correct | 10 ms | 896 KB | Output is correct |
58 | Correct | 4 ms | 384 KB | Output is correct |
59 | Correct | 10 ms | 896 KB | Output is correct |
60 | Correct | 10 ms | 896 KB | Output is correct |
61 | Correct | 10 ms | 896 KB | Output is correct |
62 | Correct | 5 ms | 384 KB | Output is correct |
63 | Correct | 10 ms | 896 KB | Output is correct |