#pragma GCC optimize("O3")
#include<stdint.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include<ext/rope>
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define VIS(it,con) for(auto it=con.begin();it!=con.end();++it)
#define pob pop_back
#define pf push_front
#define pof pop_front
#define MIN(x,y) (x=min(x,(y)))
#define MAX(x,y) (x=max(x,(y)))
#define mid ((l+r)/2)
#define lch (idx*2+1)
#define rch (idx*2+2)
/*****************************************************************************/
#include<bits/stdc++.h>
#define int int_fast64_t
using namespace std;
typedef pair<int,int> pii;
typedef vector<int> VI;
#define REP(i,j,k) for(register int i=(j);i<(k);++i)
#define RREP(i,j,k) for(register int i=(j)-1;i>=(k);--i)
#define ALL(a) a.begin(),a.end()
#define MST(a,v) memset(a,(v),sizeof a)
#define pb push_back
#define F first
#define S second
#define endl '\n'
#define __debug
#ifdef __debug
#define IOS (void)0
#define de(...) cerr<<__VA_ARGS__
#define ar(a,s,t) {REP(__i,s,t)de(min((int)1e9-1,a[__i])<<' ');de(endl);}
#else
#define IOS cin.tie(0),cout.tie(0),ios_base::sync_with_stdio(false)
#define de(...) (void)0
#define ar(...) (void)0
#endif
/***********************************default***********************************/
#define double long double
const int maxn=109,maxm=99e2+9,maxk=1e3+9,inf=1ll<<50;
const double eps=1e-7;
int n,m,k,b[maxn][maxk],s[maxn][maxk],t[maxn][maxn],c[maxn][maxn];
double d[maxn][maxn];
bool check(double x){
REP(i,0,n)REP(j,0,n)d[i][j]=x*t[i][j]-(double)c[i][j];
REP(p,0,n)REP(i,0,n)REP(j,0,n)MIN(d[i][j],d[i][p]+d[p][j]);
REP(i,0,n)if(d[i][i]<0)return 1;
return 0;
}
main(){
IOS;
cin>>n>>m>>k;
REP(i,0,n)REP(j,0,k){
cin>>b[i][j]>>s[i][j];
if(b[i][j]<0)b[i][j]=inf;
if(s[i][j]<0)s[i][j]=-inf;
}
REP(i,0,n)REP(j,0,n)t[i][j]=inf,c[i][j]=0;
REP(i,0,n)t[i][i]=0;
REP(i,0,m){
int v,w,tt;cin>>v>>w>>tt,--v,--w;
t[v][w]=tt;
}
REP(p,0,n)REP(i,0,n)REP(j,0,n)MIN(t[i][j],t[i][p]+t[p][j]);
REP(p,0,k)REP(i,0,n)REP(j,0,n)MAX(c[i][j],s[j][p]-b[i][p]);
double l=0,r=1e11L+9;
while(l+eps<r){
if(check(mid))l=mid;
else r=mid;
}
if(l-floor(l)<=eps)cout<<(int)floor(l)<<endl;
else if(ceil(l)-l<=eps)cout<<(int)ceil(l)<<endl;
else cout<<(int)floor(l)<<endl;
}
Compilation message
merchant.cpp:55:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main(){
^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
297 ms |
2376 KB |
Output is correct |
2 |
Incorrect |
184 ms |
1528 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
896 KB |
Output is correct |
2 |
Correct |
20 ms |
896 KB |
Output is correct |
3 |
Correct |
25 ms |
896 KB |
Output is correct |
4 |
Correct |
21 ms |
896 KB |
Output is correct |
5 |
Correct |
45 ms |
896 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
27 ms |
896 KB |
Output is correct |
8 |
Correct |
24 ms |
1024 KB |
Output is correct |
9 |
Correct |
21 ms |
840 KB |
Output is correct |
10 |
Correct |
24 ms |
896 KB |
Output is correct |
11 |
Correct |
39 ms |
896 KB |
Output is correct |
12 |
Correct |
29 ms |
896 KB |
Output is correct |
13 |
Correct |
20 ms |
992 KB |
Output is correct |
14 |
Correct |
26 ms |
896 KB |
Output is correct |
15 |
Correct |
33 ms |
1024 KB |
Output is correct |
16 |
Correct |
23 ms |
896 KB |
Output is correct |
17 |
Correct |
50 ms |
940 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
55 ms |
940 KB |
Output is correct |
20 |
Correct |
32 ms |
1020 KB |
Output is correct |
21 |
Correct |
28 ms |
1016 KB |
Output is correct |
22 |
Correct |
21 ms |
896 KB |
Output is correct |
23 |
Correct |
25 ms |
896 KB |
Output is correct |
24 |
Correct |
17 ms |
896 KB |
Output is correct |
25 |
Correct |
26 ms |
1028 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
28 ms |
896 KB |
Output is correct |
28 |
Correct |
20 ms |
896 KB |
Output is correct |
29 |
Correct |
29 ms |
896 KB |
Output is correct |
30 |
Correct |
3 ms |
512 KB |
Output is correct |
31 |
Correct |
19 ms |
1024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
369 ms |
1704 KB |
Output is correct |
2 |
Correct |
486 ms |
2372 KB |
Output is correct |
3 |
Correct |
320 ms |
1572 KB |
Output is correct |
4 |
Correct |
402 ms |
1672 KB |
Output is correct |
5 |
Correct |
386 ms |
1760 KB |
Output is correct |
6 |
Correct |
190 ms |
1656 KB |
Output is correct |
7 |
Correct |
50 ms |
940 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
55 ms |
940 KB |
Output is correct |
10 |
Correct |
32 ms |
1020 KB |
Output is correct |
11 |
Correct |
28 ms |
1016 KB |
Output is correct |
12 |
Correct |
21 ms |
896 KB |
Output is correct |
13 |
Correct |
25 ms |
896 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
896 KB |
Output is correct |
2 |
Correct |
20 ms |
896 KB |
Output is correct |
3 |
Correct |
25 ms |
896 KB |
Output is correct |
4 |
Correct |
21 ms |
896 KB |
Output is correct |
5 |
Correct |
45 ms |
896 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
27 ms |
896 KB |
Output is correct |
8 |
Correct |
24 ms |
1024 KB |
Output is correct |
9 |
Correct |
21 ms |
840 KB |
Output is correct |
10 |
Correct |
24 ms |
896 KB |
Output is correct |
11 |
Correct |
39 ms |
896 KB |
Output is correct |
12 |
Correct |
29 ms |
896 KB |
Output is correct |
13 |
Correct |
20 ms |
992 KB |
Output is correct |
14 |
Correct |
26 ms |
896 KB |
Output is correct |
15 |
Correct |
33 ms |
1024 KB |
Output is correct |
16 |
Correct |
23 ms |
896 KB |
Output is correct |
17 |
Correct |
369 ms |
1704 KB |
Output is correct |
18 |
Correct |
486 ms |
2372 KB |
Output is correct |
19 |
Correct |
320 ms |
1572 KB |
Output is correct |
20 |
Correct |
402 ms |
1672 KB |
Output is correct |
21 |
Correct |
386 ms |
1760 KB |
Output is correct |
22 |
Correct |
190 ms |
1656 KB |
Output is correct |
23 |
Correct |
50 ms |
940 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
55 ms |
940 KB |
Output is correct |
26 |
Correct |
32 ms |
1020 KB |
Output is correct |
27 |
Correct |
28 ms |
1016 KB |
Output is correct |
28 |
Correct |
21 ms |
896 KB |
Output is correct |
29 |
Correct |
25 ms |
896 KB |
Output is correct |
30 |
Correct |
178 ms |
1544 KB |
Output is correct |
31 |
Correct |
202 ms |
1736 KB |
Output is correct |
32 |
Correct |
184 ms |
2808 KB |
Output is correct |
33 |
Correct |
203 ms |
1664 KB |
Output is correct |
34 |
Correct |
182 ms |
1744 KB |
Output is correct |
35 |
Correct |
165 ms |
1784 KB |
Output is correct |
36 |
Correct |
349 ms |
4216 KB |
Output is correct |
37 |
Correct |
3 ms |
384 KB |
Output is correct |
38 |
Correct |
3 ms |
384 KB |
Output is correct |
39 |
Correct |
148 ms |
1508 KB |
Output is correct |
40 |
Correct |
157 ms |
1640 KB |
Output is correct |
41 |
Correct |
209 ms |
1528 KB |
Output is correct |
42 |
Correct |
136 ms |
1576 KB |
Output is correct |
43 |
Correct |
145 ms |
1540 KB |
Output is correct |
44 |
Correct |
3 ms |
384 KB |
Output is correct |
45 |
Correct |
40 ms |
1024 KB |
Output is correct |
46 |
Correct |
37 ms |
1084 KB |
Output is correct |
47 |
Correct |
30 ms |
1084 KB |
Output is correct |
48 |
Correct |
320 ms |
4396 KB |
Output is correct |
49 |
Correct |
262 ms |
4360 KB |
Output is correct |
50 |
Correct |
2 ms |
384 KB |
Output is correct |
51 |
Correct |
297 ms |
2376 KB |
Output is correct |
52 |
Incorrect |
184 ms |
1528 KB |
Output isn't correct |
53 |
Halted |
0 ms |
0 KB |
- |