oj.uz

Submission #104744

# Submission time Handle Problem Language Result Execution time Memory
104744 2019-04-09T04:06:02 Z puyu_liao Travelling Merchant (APIO17_merchant) C++14
100 / 100
 313 ms 2424 KB 
#include<bits/stdc++.h>
#include<stdint.h>
using namespace std;
#define IOS {cin.tie(0);ios_base::sync_with_stdio(false);}
#define int int64_t
//#define __int128 int64_t
#define N 105
#define K 1005
const int INF = 1e16;

int bb[N][K],ss[N][K];
int w[N][N],dis[N][N];
__int128 dp[N][N];

int32_t main()
{
	IOS;
	int n,m,k,a,b,t;
	cin >> n >> m >> k;
	for(int i=1;i<=n;i++) for(int j=1;j<=k;j++) cin >> bb[i][j] >> ss[i][j];
	
	for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) dis[i][j] = INF;
	//for(int i=1;i<=n;i++) dis[i][i] = 0;
	for(int i=0;i<m;i++){
		cin >> a >> b >> t;
		dis[a][b] = t; 
	}
	for(int x=1;x<=n;x++) for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) 
			dis[i][j] = min(dis[i][j],dis[i][x] + dis[x][j]);

	for(int i=1;i<=n;i++) for(int j=1;j<=n;j++){
		if(j != i && dis[i][j] != INF) {
			for(int x=1;x<=k;x++) if(ss[j][x] >= 0 && bb[i][x] >= 0) w[i][j] = max(w[i][j],ss[j][x] - bb[i][x]);
		}
		else w[i][j] = 0;
	}

	int l=0,r = INF;
	while(l!=r){
		int mm = (l+r+1) >> 1;
		for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) {
			dp[i][j] = (__int128)mm*dis[i][j] - w[i][j];
		}
		for(int x=1;x<=n;x++) for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) {
			dp[i][j] = min(dp[i][j],dp[i][x] + dp[x][j]);
		}
		bool gg = false;	
		for(int i=1;i<=n;i++) 
			if(dp[i][i] <= 0) gg = true;
		if(gg) l = mm;
		else r = mm-1;
	}
	cout << l << '\n';
  return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 190 ms 2396 KB Output is correct
2 Correct 247 ms 1656 KB Output is correct
3 Correct 216 ms 1536 KB Output is correct
4 Correct 24 ms 896 KB Output is correct
5 Correct 23 ms 896 KB Output is correct
6 Correct 37 ms 896 KB Output is correct
7 Correct 32 ms 1024 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 35 ms 896 KB Output is correct
10 Correct 23 ms 896 KB Output is correct
11 Correct 21 ms 896 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 23 ms 1024 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 868 KB Output is correct
2 Correct 40 ms 896 KB Output is correct
3 Correct 35 ms 896 KB Output is correct
4 Correct 30 ms 896 KB Output is correct
5 Correct 32 ms 1024 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 23 ms 896 KB Output is correct
8 Correct 22 ms 1024 KB Output is correct
9 Correct 27 ms 896 KB Output is correct
10 Correct 35 ms 1060 KB Output is correct
11 Correct 24 ms 1024 KB Output is correct
12 Correct 26 ms 1032 KB Output is correct
13 Correct 20 ms 896 KB Output is correct
14 Correct 26 ms 1016 KB Output is correct
15 Correct 22 ms 896 KB Output is correct
16 Correct 22 ms 896 KB Output is correct
17 Correct 39 ms 896 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 35 ms 1024 KB Output is correct
20 Correct 25 ms 1024 KB Output is correct
21 Correct 24 ms 896 KB Output is correct
22 Correct 18 ms 896 KB Output is correct
23 Correct 26 ms 896 KB Output is correct
24 Correct 37 ms 896 KB Output is correct
25 Correct 32 ms 1024 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 35 ms 896 KB Output is correct
28 Correct 23 ms 896 KB Output is correct
29 Correct 21 ms 896 KB Output is correct
30 Correct 3 ms 512 KB Output is correct
31 Correct 23 ms 1024 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 248 ms 1680 KB Output is correct
2 Correct 313 ms 2296 KB Output is correct
3 Correct 208 ms 1536 KB Output is correct
4 Correct 268 ms 1784 KB Output is correct
5 Correct 245 ms 1664 KB Output is correct
6 Correct 144 ms 1536 KB Output is correct
7 Correct 39 ms 896 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 35 ms 1024 KB Output is correct
10 Correct 25 ms 1024 KB Output is correct
11 Correct 24 ms 896 KB Output is correct
12 Correct 18 ms 896 KB Output is correct
13 Correct 26 ms 896 KB Output is correct

Subtask #4
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 868 KB Output is correct
2 Correct 40 ms 896 KB Output is correct
3 Correct 35 ms 896 KB Output is correct
4 Correct 30 ms 896 KB Output is correct
5 Correct 32 ms 1024 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 23 ms 896 KB Output is correct
8 Correct 22 ms 1024 KB Output is correct
9 Correct 27 ms 896 KB Output is correct
10 Correct 35 ms 1060 KB Output is correct
11 Correct 24 ms 1024 KB Output is correct
12 Correct 26 ms 1032 KB Output is correct
13 Correct 20 ms 896 KB Output is correct
14 Correct 26 ms 1016 KB Output is correct
15 Correct 22 ms 896 KB Output is correct
16 Correct 22 ms 896 KB Output is correct
17 Correct 248 ms 1680 KB Output is correct
18 Correct 313 ms 2296 KB Output is correct
19 Correct 208 ms 1536 KB Output is correct
20 Correct 268 ms 1784 KB Output is correct
21 Correct 245 ms 1664 KB Output is correct
22 Correct 144 ms 1536 KB Output is correct
23 Correct 39 ms 896 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 35 ms 1024 KB Output is correct
26 Correct 25 ms 1024 KB Output is correct
27 Correct 24 ms 896 KB Output is correct
28 Correct 18 ms 896 KB Output is correct
29 Correct 26 ms 896 KB Output is correct
30 Correct 226 ms 1560 KB Output is correct
31 Correct 187 ms 1836 KB Output is correct
32 Correct 256 ms 2296 KB Output is correct
33 Correct 234 ms 1664 KB Output is correct
34 Correct 262 ms 1664 KB Output is correct
35 Correct 180 ms 1664 KB Output is correct
36 Correct 257 ms 2424 KB Output is correct
37 Correct 3 ms 384 KB Output is correct
38 Correct 2 ms 384 KB Output is correct
39 Correct 151 ms 1524 KB Output is correct
40 Correct 125 ms 1524 KB Output is correct
41 Correct 123 ms 1536 KB Output is correct
42 Correct 162 ms 1656 KB Output is correct
43 Correct 222 ms 1536 KB Output is correct
44 Correct 3 ms 384 KB Output is correct
45 Correct 22 ms 1024 KB Output is correct
46 Correct 29 ms 1024 KB Output is correct
47 Correct 25 ms 1024 KB Output is correct
48 Correct 198 ms 2300 KB Output is correct
49 Correct 197 ms 2296 KB Output is correct
50 Correct 3 ms 384 KB Output is correct
51 Correct 190 ms 2396 KB Output is correct
52 Correct 247 ms 1656 KB Output is correct
53 Correct 216 ms 1536 KB Output is correct
54 Correct 24 ms 896 KB Output is correct
55 Correct 23 ms 896 KB Output is correct
56 Correct 37 ms 896 KB Output is correct
57 Correct 32 ms 1024 KB Output is correct
58 Correct 0 ms 384 KB Output is correct
59 Correct 35 ms 896 KB Output is correct
60 Correct 23 ms 896 KB Output is correct
61 Correct 21 ms 896 KB Output is correct
62 Correct 3 ms 512 KB Output is correct
63 Correct 23 ms 1024 KB Output is correct