# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
55395 | 2018-07-07T06:55:47 Z | fefe | 여행하는 상인 (APIO17_merchant) | C++17 | 134 ms | 10476 KB |
#include<bits/stdc++.h> //#include<inttypes.h>//__int64,__int128.. #define MAX_N 105 #define MAX_K 1005 //vector&pair #define pb push_back #define mp make_pair //math #define sq(x) ((x)*(x)) #define abs(x) ((x)>0?(x):(-(x)))//Regardless of type //for pair #define fi first #define se second //infinit #define inf (1LL<<60) #define full_inf 0x7fffffff #define half_inf 0x3fffffff //MOD #define MOD 1000000007LL*/ using namespace std; //type typedef long long LL; typedef pair<int,int> pii; typedef pair<LL,LL> pil; typedef long double LD; struct im{ LL b,s; }pd[MAX_N][MAX_K]; LL n,m,c; LL net[MAX_N][MAX_N],dst[MAX_N][MAX_N],rev[MAX_N][MAX_N]; bool is_ok(LL K){ LL i,j,k; for(i=1;i<=n;i++){ for(j=1;j<=n;j++){ if(net[i][j]==inf) dst[i][j]=inf; else dst[i][j]=K*net[i][j]-rev[i][j]; } } for(k=1;k<=n;k++){ for(i=1;i<=n;i++){ for(j=1;j<=n;j++){ dst[i][j]=min(dst[i][j],dst[i][k]+dst[k][j]); } } } for(i=1;i<=n;i++){ if(dst[i][i]<=0) return true; } return false; } LL bin(){ LL s,e,mid; bool x; s=1; e=1000000000; while(s<=e){ mid=(s+e)>>1; x=is_ok(mid); if(x){ if(!is_ok(mid+1)) return mid; s=mid+1; }else{ if(is_ok(mid-1)) return mid-1; e=mid-1; } } return 0; } int main(){ LL i,j,k,s,e; scanf("%lld %lld %lld",&n,&m,&c); for(i=1;i<=n;i++){ for(j=1;j<=c;j++){ scanf("%lld %lld",&pd[i][j].b,&pd[i][j].s); if(pd[i][j].b==-1) pd[i][j].b=inf; if(pd[i][j].s==-1) pd[i][j].s=-inf; } } for(i=1;i<=n;i++){ for(j=1;j<=n;j++){ net[i][j]=inf; for(k=1;k<=c;k++) rev[i][j]=max(rev[i][j],pd[j][k].s-pd[i][k].b); } } for(i=1;i<=m;i++){scanf("%lld %lld",&s,&e);scanf("%lld",&net[s][e]);} //Floyd-Warshall for(k=1;k<=n;k++)for(i=1;i<=n;i++)for(j=1;j<=n;j++){ net[i][j]=min(net[i][j],net[i][k]+net[k][j]); } printf("%lld\n",bin()); return 0; }
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 114 ms | 2168 KB | Output is correct |
2 | Correct | 83 ms | 2168 KB | Output is correct |
3 | Correct | 79 ms | 2168 KB | Output is correct |
4 | Correct | 12 ms | 2168 KB | Output is correct |
5 | Correct | 13 ms | 2168 KB | Output is correct |
6 | Correct | 12 ms | 2168 KB | Output is correct |
7 | Correct | 12 ms | 2168 KB | Output is correct |
8 | Correct | 3 ms | 2168 KB | Output is correct |
9 | Correct | 21 ms | 2168 KB | Output is correct |
10 | Correct | 14 ms | 2168 KB | Output is correct |
11 | Correct | 15 ms | 2168 KB | Output is correct |
12 | Correct | 2 ms | 2168 KB | Output is correct |
13 | Correct | 17 ms | 2168 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 16 ms | 2168 KB | Output is correct |
2 | Correct | 17 ms | 2168 KB | Output is correct |
3 | Correct | 14 ms | 2168 KB | Output is correct |
4 | Correct | 16 ms | 2168 KB | Output is correct |
5 | Correct | 15 ms | 2168 KB | Output is correct |
6 | Correct | 2 ms | 2168 KB | Output is correct |
7 | Correct | 14 ms | 2168 KB | Output is correct |
8 | Correct | 19 ms | 2168 KB | Output is correct |
9 | Correct | 15 ms | 2168 KB | Output is correct |
10 | Correct | 15 ms | 2168 KB | Output is correct |
11 | Correct | 13 ms | 2168 KB | Output is correct |
12 | Correct | 13 ms | 2168 KB | Output is correct |
13 | Correct | 13 ms | 2168 KB | Output is correct |
14 | Correct | 13 ms | 2168 KB | Output is correct |
15 | Correct | 19 ms | 2168 KB | Output is correct |
16 | Correct | 16 ms | 2168 KB | Output is correct |
17 | Correct | 12 ms | 2168 KB | Output is correct |
18 | Correct | 2 ms | 2168 KB | Output is correct |
19 | Correct | 14 ms | 2168 KB | Output is correct |
20 | Correct | 14 ms | 2168 KB | Output is correct |
21 | Correct | 13 ms | 2168 KB | Output is correct |
22 | Correct | 13 ms | 2168 KB | Output is correct |
23 | Correct | 15 ms | 2168 KB | Output is correct |
24 | Correct | 12 ms | 2168 KB | Output is correct |
25 | Correct | 12 ms | 2168 KB | Output is correct |
26 | Correct | 3 ms | 2168 KB | Output is correct |
27 | Correct | 21 ms | 2168 KB | Output is correct |
28 | Correct | 14 ms | 2168 KB | Output is correct |
29 | Correct | 15 ms | 2168 KB | Output is correct |
30 | Correct | 2 ms | 2168 KB | Output is correct |
31 | Correct | 17 ms | 2168 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 81 ms | 2168 KB | Output is correct |
2 | Correct | 111 ms | 3056 KB | Output is correct |
3 | Correct | 85 ms | 3056 KB | Output is correct |
4 | Correct | 79 ms | 3056 KB | Output is correct |
5 | Correct | 83 ms | 3056 KB | Output is correct |
6 | Correct | 81 ms | 3056 KB | Output is correct |
7 | Correct | 12 ms | 2168 KB | Output is correct |
8 | Correct | 2 ms | 2168 KB | Output is correct |
9 | Correct | 14 ms | 2168 KB | Output is correct |
10 | Correct | 14 ms | 2168 KB | Output is correct |
11 | Correct | 13 ms | 2168 KB | Output is correct |
12 | Correct | 13 ms | 2168 KB | Output is correct |
13 | Correct | 15 ms | 2168 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 16 ms | 2168 KB | Output is correct |
2 | Correct | 17 ms | 2168 KB | Output is correct |
3 | Correct | 14 ms | 2168 KB | Output is correct |
4 | Correct | 16 ms | 2168 KB | Output is correct |
5 | Correct | 15 ms | 2168 KB | Output is correct |
6 | Correct | 2 ms | 2168 KB | Output is correct |
7 | Correct | 14 ms | 2168 KB | Output is correct |
8 | Correct | 19 ms | 2168 KB | Output is correct |
9 | Correct | 15 ms | 2168 KB | Output is correct |
10 | Correct | 15 ms | 2168 KB | Output is correct |
11 | Correct | 13 ms | 2168 KB | Output is correct |
12 | Correct | 13 ms | 2168 KB | Output is correct |
13 | Correct | 13 ms | 2168 KB | Output is correct |
14 | Correct | 13 ms | 2168 KB | Output is correct |
15 | Correct | 19 ms | 2168 KB | Output is correct |
16 | Correct | 16 ms | 2168 KB | Output is correct |
17 | Correct | 81 ms | 2168 KB | Output is correct |
18 | Correct | 111 ms | 3056 KB | Output is correct |
19 | Correct | 85 ms | 3056 KB | Output is correct |
20 | Correct | 79 ms | 3056 KB | Output is correct |
21 | Correct | 83 ms | 3056 KB | Output is correct |
22 | Correct | 81 ms | 3056 KB | Output is correct |
23 | Correct | 12 ms | 2168 KB | Output is correct |
24 | Correct | 2 ms | 2168 KB | Output is correct |
25 | Correct | 14 ms | 2168 KB | Output is correct |
26 | Correct | 14 ms | 2168 KB | Output is correct |
27 | Correct | 13 ms | 2168 KB | Output is correct |
28 | Correct | 13 ms | 2168 KB | Output is correct |
29 | Correct | 15 ms | 2168 KB | Output is correct |
30 | Correct | 81 ms | 3056 KB | Output is correct |
31 | Correct | 85 ms | 3056 KB | Output is correct |
32 | Correct | 101 ms | 3660 KB | Output is correct |
33 | Correct | 82 ms | 3660 KB | Output is correct |
34 | Correct | 87 ms | 3660 KB | Output is correct |
35 | Correct | 83 ms | 3660 KB | Output is correct |
36 | Correct | 123 ms | 5820 KB | Output is correct |
37 | Correct | 4 ms | 5820 KB | Output is correct |
38 | Correct | 3 ms | 5820 KB | Output is correct |
39 | Correct | 80 ms | 5820 KB | Output is correct |
40 | Correct | 101 ms | 5820 KB | Output is correct |
41 | Correct | 77 ms | 5820 KB | Output is correct |
42 | Correct | 81 ms | 5820 KB | Output is correct |
43 | Correct | 79 ms | 5820 KB | Output is correct |
44 | Correct | 3 ms | 5820 KB | Output is correct |
45 | Correct | 19 ms | 5820 KB | Output is correct |
46 | Correct | 17 ms | 5820 KB | Output is correct |
47 | Correct | 18 ms | 5820 KB | Output is correct |
48 | Correct | 134 ms | 8372 KB | Output is correct |
49 | Correct | 130 ms | 10476 KB | Output is correct |
50 | Correct | 2 ms | 10476 KB | Output is correct |
51 | Correct | 114 ms | 2168 KB | Output is correct |
52 | Correct | 83 ms | 2168 KB | Output is correct |
53 | Correct | 79 ms | 2168 KB | Output is correct |
54 | Correct | 12 ms | 2168 KB | Output is correct |
55 | Correct | 13 ms | 2168 KB | Output is correct |
56 | Correct | 12 ms | 2168 KB | Output is correct |
57 | Correct | 12 ms | 2168 KB | Output is correct |
58 | Correct | 3 ms | 2168 KB | Output is correct |
59 | Correct | 21 ms | 2168 KB | Output is correct |
60 | Correct | 14 ms | 2168 KB | Output is correct |
61 | Correct | 15 ms | 2168 KB | Output is correct |
62 | Correct | 2 ms | 2168 KB | Output is correct |
63 | Correct | 17 ms | 2168 KB | Output is correct |