oj.uz

답안 #568538

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
568538 2022-05-25T16:22:00 Z jeqcho 여행하는 상인 (APIO17_merchant) C++17
100 / 100
 96 ms 2224 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long double ld;
typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pair<int,int>> vpi;

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)

#define pb push_back
#define rsz resize
#define sz(x) int(x.size())
#define all(x) begin(x), end(x)
#define fi first
#define se second

int n,m,k;
int const N=1e2+3;
int const K=1e3+3;

ll b[N][K], s[N][K];
ll p[N][N];
ll d[N][N];
vpi adj[N];
ll d2[N][N];
int const INF=1e9+4;

bool ok(int r)
{
	//cout<<"try "<<r<<'\n';
	F0R(i,n)fill(d2[i],d2[i]+n,4e18);
	F0R(i,n)
	{
		F0R(j,n)
		{
			if(d[i][j]==INF)continue;
			d2[i][j]=r*d[i][j]-p[i][j];
		}
	}
	//F0R(i,n)
	//{
		//F0R(j,n)cout<<d2[i][j]<<' ';
		//cout<<'\n';
	//}
	F0R(x,n)
	{
		F0R(i,n)
		{
			F0R(j,n)d2[i][j]=min(d2[i][j],d2[i][x]+d2[x][j]);
		}
	}
	//F0R(i,n)
	//{
		//F0R(j,n)cout<<d2[i][j]<<' ';
		//cout<<'\n';
	//}
	F0R(i,n)if(d2[i][i]<=0)return 1;
	return 0;
}

int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin>>n>>m>>k;
	F0R(i,n)
	{
		F0R(j,k)
		{
			cin>>b[i][j]>>s[i][j];
		}
	}
	F0R(i,m)
	{
		int v,w,t;
		cin>>v>>w>>t;
		--v;--w;
		adj[v].pb({w,t});
	}
	F0R(i,n)
	{
		fill(p[i],p[i]+n,0);
		F0R(j,n)
		{
			F0R(u,k)
			{
				if(s[j][u]==-1||b[i][u]==-1)continue;
				p[i][j]=max(p[i][j],s[j][u]-b[i][u]);
			}
		}
	}
	F0R(i,n)fill(d[i],d[i]+n,INF);
	F0R(i,n)trav(e,adj[i])d[i][e.fi]=e.se;
	F0R(x,n)
	{
		F0R(i,n)
		{
			F0R(j,n)
			{
				d[i][j]=min(d[i][j],d[i][x]+d[x][j]);
			}
		}
	}
	int R=0;
	R0F(i,30)
	{
		if(ok(R+(1<<i)))R+=(1<<i);
	}
	cout<<R<<'\n';
	return 0;
}

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 2072 KB Output is correct
2 Correct 34 ms 1364 KB Output is correct
3 Correct 35 ms 1364 KB Output is correct
4 Correct 6 ms 856 KB Output is correct
5 Correct 5 ms 868 KB Output is correct
6 Correct 6 ms 852 KB Output is correct
7 Correct 6 ms 852 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 6 ms 852 KB Output is correct
10 Correct 7 ms 872 KB Output is correct
11 Correct 6 ms 852 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 6 ms 900 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 852 KB Output is correct
2 Correct 6 ms 852 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 6 ms 852 KB Output is correct
5 Correct 7 ms 872 KB Output is correct
6 Correct 6 ms 852 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 6 ms 900 KB Output is correct
9 Correct 6 ms 868 KB Output is correct
10 Correct 6 ms 852 KB Output is correct
11 Correct 6 ms 852 KB Output is correct
12 Correct 5 ms 852 KB Output is correct
13 Correct 9 ms 852 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 6 ms 852 KB Output is correct
16 Correct 6 ms 852 KB Output is correct
17 Correct 6 ms 852 KB Output is correct
18 Correct 6 ms 884 KB Output is correct
19 Correct 6 ms 852 KB Output is correct
20 Correct 7 ms 852 KB Output is correct
21 Correct 6 ms 852 KB Output is correct
22 Correct 6 ms 852 KB Output is correct
23 Correct 7 ms 936 KB Output is correct
24 Correct 6 ms 868 KB Output is correct
25 Correct 6 ms 852 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 7 ms 904 KB Output is correct
28 Correct 7 ms 852 KB Output is correct
29 Correct 6 ms 852 KB Output is correct
30 Correct 6 ms 896 KB Output is correct
31 Correct 8 ms 852 KB Output is correct

Subtask #3
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 852 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 7 ms 904 KB Output is correct
4 Correct 7 ms 852 KB Output is correct
5 Correct 6 ms 852 KB Output is correct
6 Correct 6 ms 896 KB Output is correct
7 Correct 8 ms 852 KB Output is correct
8 Correct 40 ms 1516 KB Output is correct
9 Correct 86 ms 2060 KB Output is correct
10 Correct 37 ms 1364 KB Output is correct
11 Correct 40 ms 1508 KB Output is correct
12 Correct 42 ms 1524 KB Output is correct
13 Correct 37 ms 1364 KB Output is correct

Subtask #4
34.0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 868 KB Output is correct
2 Correct 6 ms 852 KB Output is correct
3 Correct 6 ms 852 KB Output is correct
4 Correct 5 ms 852 KB Output is correct
5 Correct 9 ms 852 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 6 ms 852 KB Output is correct
8 Correct 6 ms 852 KB Output is correct
9 Correct 6 ms 852 KB Output is correct
10 Correct 6 ms 884 KB Output is correct
11 Correct 6 ms 852 KB Output is correct
12 Correct 7 ms 852 KB Output is correct
13 Correct 6 ms 852 KB Output is correct
14 Correct 6 ms 852 KB Output is correct
15 Correct 7 ms 936 KB Output is correct
16 Correct 6 ms 868 KB Output is correct
17 Correct 40 ms 1516 KB Output is correct
18 Correct 86 ms 2060 KB Output is correct
19 Correct 37 ms 1364 KB Output is correct
20 Correct 40 ms 1508 KB Output is correct
21 Correct 42 ms 1524 KB Output is correct
22 Correct 37 ms 1364 KB Output is correct
23 Correct 6 ms 852 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 7 ms 904 KB Output is correct
26 Correct 7 ms 852 KB Output is correct
27 Correct 6 ms 852 KB Output is correct
28 Correct 6 ms 896 KB Output is correct
29 Correct 8 ms 852 KB Output is correct
30 Correct 56 ms 2072 KB Output is correct
31 Correct 34 ms 1364 KB Output is correct
32 Correct 35 ms 1364 KB Output is correct
33 Correct 6 ms 856 KB Output is correct
34 Correct 5 ms 868 KB Output is correct
35 Correct 6 ms 852 KB Output is correct
36 Correct 6 ms 852 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 6 ms 852 KB Output is correct
39 Correct 7 ms 872 KB Output is correct
40 Correct 6 ms 852 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 6 ms 900 KB Output is correct
43 Correct 39 ms 1400 KB Output is correct
44 Correct 35 ms 1492 KB Output is correct
45 Correct 53 ms 2144 KB Output is correct
46 Correct 37 ms 1492 KB Output is correct
47 Correct 40 ms 1492 KB Output is correct
48 Correct 45 ms 1476 KB Output is correct
49 Correct 89 ms 2168 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 34 ms 1396 KB Output is correct
53 Correct 39 ms 1492 KB Output is correct
54 Correct 39 ms 1364 KB Output is correct
55 Correct 37 ms 1364 KB Output is correct
56 Correct 36 ms 1368 KB Output is correct
57 Correct 0 ms 340 KB Output is correct
58 Correct 8 ms 852 KB Output is correct
59 Correct 10 ms 940 KB Output is correct
60 Correct 7 ms 852 KB Output is correct
61 Correct 90 ms 2188 KB Output is correct
62 Correct 96 ms 2224 KB Output is correct
63 Correct 1 ms 340 KB Output is correct