답안 #264015

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
264015	2020-08-14T04:46:19 Z	define	여행하는 상인 (APIO17_merchant)	C++17	100 / 100	573 ms	2168 KB

merchant

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,n) for(int i=1;i<n;i++)
#define rev(i,n) for(int i=n-1;i>=0;i--)
#define all(v) v.begin(),v.end()
#define P pair<int,int>
#define len(s) (int)s.size()
 
template<class T> inline bool chmin(T &a, T b){
	if(a>b){a=b;return true;}
	return false;
}
template<class T> inline bool chmax(T &a, T b){
	if(a<b){a=b;return true;}
	return false;
}
constexpr int mod = 1e9+7;
constexpr long long inf = 3e18;
 
int N,M,K;
int sell[105][1005],buy[105][1005];
int dis[105][105];
int ben[105][105];
bool isOk(int x){
	rep(i,N){
		rep(j,N){
			if(i!=j){
				int mx=0;
				rep(k,K){
					if(sell[j][k]==-1||buy[i][k]==-1)continue;
					chmax(mx,sell[j][k]-buy[i][k]);
				}
				if(inf/x<dis[i][j])ben[i][j]=-inf;
				else ben[i][j]=mx-x*dis[i][j];
			}else ben[i][j]=-inf;
		}
	}
	rep(k,N)rep(i,N)rep(j,N)chmax(ben[i][j],ben[i][k]+ben[k][j]);
	bool flag=false;
	rep(i,N)flag|=ben[i][i]>=0;
	return flag;
}
signed main(){
	cin.tie(0);ios::sync_with_stdio(false);
	cin>>N>>M>>K;
	rep(i,N)rep(j,K)cin>>buy[i][j]>>sell[i][j];
	rep(i,N)rep(j,N)if(i!=j)dis[i][j]=inf;
	rep(i,M){
		int a,b,c;cin>>a>>b>>c;a--;b--;
		chmin(dis[a][b],c);
	}
	rep(k,N)rep(i,N)rep(j,N)chmin(dis[i][j],dis[i][k]+dis[k][j]);
	int ok=0,ng=1e11;
	while(ng-ok>1){
		int mid=(ok+ng)/2;
		if(isOk(mid))ok=mid;
		else ng=mid;
	}
	cout<<ok<<endl;
}

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	413 ms	2168 KB	Output is correct
2	Correct	48 ms	1280 KB	Output is correct
3	Correct	47 ms	1280 KB	Output is correct
4	Correct	8 ms	768 KB	Output is correct
5	Correct	8 ms	768 KB	Output is correct
6	Correct	8 ms	768 KB	Output is correct
7	Correct	14 ms	896 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	12 ms	768 KB	Output is correct
10	Correct	9 ms	768 KB	Output is correct
11	Correct	8 ms	880 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	15 ms	896 KB	Output is correct

Subtask #2
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	768 KB	Output is correct
2	Correct	9 ms	768 KB	Output is correct
3	Correct	20 ms	896 KB	Output is correct
4	Correct	13 ms	768 KB	Output is correct
5	Correct	20 ms	896 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	10 ms	768 KB	Output is correct
8	Correct	16 ms	896 KB	Output is correct
9	Correct	11 ms	896 KB	Output is correct
10	Correct	15 ms	896 KB	Output is correct
11	Correct	16 ms	896 KB	Output is correct
12	Correct	22 ms	896 KB	Output is correct
13	Correct	8 ms	768 KB	Output is correct
14	Correct	11 ms	768 KB	Output is correct
15	Correct	16 ms	896 KB	Output is correct
16	Correct	9 ms	768 KB	Output is correct
17	Correct	23 ms	896 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	22 ms	896 KB	Output is correct
20	Correct	17 ms	896 KB	Output is correct
21	Correct	19 ms	896 KB	Output is correct
22	Correct	8 ms	800 KB	Output is correct
23	Correct	11 ms	768 KB	Output is correct
24	Correct	8 ms	768 KB	Output is correct
25	Correct	14 ms	896 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	12 ms	768 KB	Output is correct
28	Correct	9 ms	768 KB	Output is correct
29	Correct	8 ms	880 KB	Output is correct
30	Correct	0 ms	384 KB	Output is correct
31	Correct	15 ms	896 KB	Output is correct

Subtask #3
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	160 ms	1528 KB	Output is correct
2	Correct	573 ms	2132 KB	Output is correct
3	Correct	118 ms	1408 KB	Output is correct
4	Correct	160 ms	1408 KB	Output is correct
5	Correct	176 ms	1408 KB	Output is correct
6	Correct	91 ms	1528 KB	Output is correct
7	Correct	23 ms	896 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	22 ms	896 KB	Output is correct
10	Correct	17 ms	896 KB	Output is correct
11	Correct	19 ms	896 KB	Output is correct
12	Correct	8 ms	800 KB	Output is correct
13	Correct	11 ms	768 KB	Output is correct

Subtask #4
34.0 / 34.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	768 KB	Output is correct
2	Correct	9 ms	768 KB	Output is correct
3	Correct	20 ms	896 KB	Output is correct
4	Correct	13 ms	768 KB	Output is correct
5	Correct	20 ms	896 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	10 ms	768 KB	Output is correct
8	Correct	16 ms	896 KB	Output is correct
9	Correct	11 ms	896 KB	Output is correct
10	Correct	15 ms	896 KB	Output is correct
11	Correct	16 ms	896 KB	Output is correct
12	Correct	22 ms	896 KB	Output is correct
13	Correct	8 ms	768 KB	Output is correct
14	Correct	11 ms	768 KB	Output is correct
15	Correct	16 ms	896 KB	Output is correct
16	Correct	9 ms	768 KB	Output is correct
17	Correct	160 ms	1528 KB	Output is correct
18	Correct	573 ms	2132 KB	Output is correct
19	Correct	118 ms	1408 KB	Output is correct
20	Correct	160 ms	1408 KB	Output is correct
21	Correct	176 ms	1408 KB	Output is correct
22	Correct	91 ms	1528 KB	Output is correct
23	Correct	23 ms	896 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	22 ms	896 KB	Output is correct
26	Correct	17 ms	896 KB	Output is correct
27	Correct	19 ms	896 KB	Output is correct
28	Correct	8 ms	800 KB	Output is correct
29	Correct	11 ms	768 KB	Output is correct
30	Correct	65 ms	1280 KB	Output is correct
31	Correct	108 ms	1528 KB	Output is correct
32	Correct	401 ms	2040 KB	Output is correct
33	Correct	96 ms	1408 KB	Output is correct
34	Correct	97 ms	1508 KB	Output is correct
35	Correct	98 ms	1528 KB	Output is correct
36	Correct	517 ms	2048 KB	Output is correct
37	Correct	1 ms	384 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	76 ms	1280 KB	Output is correct
40	Correct	63 ms	1280 KB	Output is correct
41	Correct	78 ms	1408 KB	Output is correct
42	Correct	66 ms	1280 KB	Output is correct
43	Correct	53 ms	1280 KB	Output is correct
44	Correct	0 ms	384 KB	Output is correct
45	Correct	25 ms	896 KB	Output is correct
46	Correct	21 ms	896 KB	Output is correct
47	Correct	21 ms	896 KB	Output is correct
48	Correct	496 ms	2048 KB	Output is correct
49	Correct	497 ms	2040 KB	Output is correct
50	Correct	1 ms	384 KB	Output is correct
51	Correct	413 ms	2168 KB	Output is correct
52	Correct	48 ms	1280 KB	Output is correct
53	Correct	47 ms	1280 KB	Output is correct
54	Correct	8 ms	768 KB	Output is correct
55	Correct	8 ms	768 KB	Output is correct
56	Correct	8 ms	768 KB	Output is correct
57	Correct	14 ms	896 KB	Output is correct
58	Correct	1 ms	384 KB	Output is correct
59	Correct	12 ms	768 KB	Output is correct
60	Correct	9 ms	768 KB	Output is correct
61	Correct	8 ms	880 KB	Output is correct
62	Correct	0 ms	384 KB	Output is correct
63	Correct	15 ms	896 KB	Output is correct

답안 #264015

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