#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 105, K=1005;
int n, m, kk, u, v, w;
int b[N][K], s[N][K], p[N][N], d[2][N][N];
void floydWarshall(int d[][N]){
for(int k = 1; k <= n; k++)
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
d[i][j] = min(d[i][j],d[i][k]+d[k][j]);
}
int32_t main(){
cin >> n >> m >> kk;
memset(d,63,sizeof(d));
for(int i = 1; i <= n; i++)
for(int j = 1; j <= kk; j++)
cin >> b[i][j] >> s[i][j];
for(int i = 0; i < m; i++)
cin>>u>>v>>w,d[0][u][v]=w;
floydWarshall(d[0]);
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
for(int k = 1; k <= kk; k++)
if(min(b[i][k],s[j][k])>=0)
p[i][j]=max(p[i][j],s[j][k]-b[i][k]);
int l = 0, r = 1e9;
while(l<r){
int mid = (l+r+1)/2, ok=0;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
d[1][i][j]=-p[i][j]+mid*
min((int)1e18/mid,d[0][i][j]);
floydWarshall(d[1]);
for(int i = 1; i <= n;i++)
if(d[1][i][i]<=0) ok=1;
if(ok) l=mid;
else r=mid-1;
}
cout << l;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
72 ms |
1980 KB |
Output is correct |
2 |
Correct |
26 ms |
1236 KB |
Output is correct |
3 |
Correct |
26 ms |
1236 KB |
Output is correct |
4 |
Correct |
4 ms |
852 KB |
Output is correct |
5 |
Correct |
4 ms |
880 KB |
Output is correct |
6 |
Correct |
4 ms |
852 KB |
Output is correct |
7 |
Correct |
5 ms |
908 KB |
Output is correct |
8 |
Correct |
0 ms |
468 KB |
Output is correct |
9 |
Correct |
4 ms |
852 KB |
Output is correct |
10 |
Correct |
4 ms |
852 KB |
Output is correct |
11 |
Correct |
4 ms |
852 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
5 ms |
852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
852 KB |
Output is correct |
2 |
Correct |
5 ms |
908 KB |
Output is correct |
3 |
Correct |
0 ms |
468 KB |
Output is correct |
4 |
Correct |
4 ms |
852 KB |
Output is correct |
5 |
Correct |
4 ms |
852 KB |
Output is correct |
6 |
Correct |
4 ms |
852 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
5 ms |
852 KB |
Output is correct |
9 |
Correct |
6 ms |
928 KB |
Output is correct |
10 |
Correct |
4 ms |
852 KB |
Output is correct |
11 |
Correct |
5 ms |
852 KB |
Output is correct |
12 |
Correct |
4 ms |
852 KB |
Output is correct |
13 |
Correct |
6 ms |
852 KB |
Output is correct |
14 |
Correct |
1 ms |
468 KB |
Output is correct |
15 |
Correct |
5 ms |
908 KB |
Output is correct |
16 |
Correct |
5 ms |
852 KB |
Output is correct |
17 |
Correct |
7 ms |
852 KB |
Output is correct |
18 |
Correct |
5 ms |
852 KB |
Output is correct |
19 |
Correct |
7 ms |
852 KB |
Output is correct |
20 |
Correct |
7 ms |
852 KB |
Output is correct |
21 |
Correct |
5 ms |
916 KB |
Output is correct |
22 |
Correct |
5 ms |
852 KB |
Output is correct |
23 |
Correct |
9 ms |
944 KB |
Output is correct |
24 |
Correct |
4 ms |
852 KB |
Output is correct |
25 |
Correct |
5 ms |
852 KB |
Output is correct |
26 |
Correct |
1 ms |
468 KB |
Output is correct |
27 |
Correct |
6 ms |
944 KB |
Output is correct |
28 |
Correct |
6 ms |
944 KB |
Output is correct |
29 |
Correct |
6 ms |
852 KB |
Output is correct |
30 |
Correct |
5 ms |
852 KB |
Output is correct |
31 |
Correct |
4 ms |
852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
852 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
6 ms |
944 KB |
Output is correct |
4 |
Correct |
6 ms |
944 KB |
Output is correct |
5 |
Correct |
6 ms |
852 KB |
Output is correct |
6 |
Correct |
5 ms |
852 KB |
Output is correct |
7 |
Correct |
4 ms |
852 KB |
Output is correct |
8 |
Correct |
32 ms |
1408 KB |
Output is correct |
9 |
Correct |
85 ms |
2020 KB |
Output is correct |
10 |
Correct |
31 ms |
1396 KB |
Output is correct |
11 |
Correct |
34 ms |
1512 KB |
Output is correct |
12 |
Correct |
36 ms |
1500 KB |
Output is correct |
13 |
Correct |
29 ms |
1400 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
928 KB |
Output is correct |
2 |
Correct |
4 ms |
852 KB |
Output is correct |
3 |
Correct |
5 ms |
852 KB |
Output is correct |
4 |
Correct |
4 ms |
852 KB |
Output is correct |
5 |
Correct |
6 ms |
852 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
5 ms |
908 KB |
Output is correct |
8 |
Correct |
5 ms |
852 KB |
Output is correct |
9 |
Correct |
7 ms |
852 KB |
Output is correct |
10 |
Correct |
5 ms |
852 KB |
Output is correct |
11 |
Correct |
7 ms |
852 KB |
Output is correct |
12 |
Correct |
7 ms |
852 KB |
Output is correct |
13 |
Correct |
5 ms |
916 KB |
Output is correct |
14 |
Correct |
5 ms |
852 KB |
Output is correct |
15 |
Correct |
9 ms |
944 KB |
Output is correct |
16 |
Correct |
4 ms |
852 KB |
Output is correct |
17 |
Correct |
32 ms |
1408 KB |
Output is correct |
18 |
Correct |
85 ms |
2020 KB |
Output is correct |
19 |
Correct |
31 ms |
1396 KB |
Output is correct |
20 |
Correct |
34 ms |
1512 KB |
Output is correct |
21 |
Correct |
36 ms |
1500 KB |
Output is correct |
22 |
Correct |
29 ms |
1400 KB |
Output is correct |
23 |
Correct |
5 ms |
852 KB |
Output is correct |
24 |
Correct |
1 ms |
468 KB |
Output is correct |
25 |
Correct |
6 ms |
944 KB |
Output is correct |
26 |
Correct |
6 ms |
944 KB |
Output is correct |
27 |
Correct |
6 ms |
852 KB |
Output is correct |
28 |
Correct |
5 ms |
852 KB |
Output is correct |
29 |
Correct |
4 ms |
852 KB |
Output is correct |
30 |
Correct |
72 ms |
1980 KB |
Output is correct |
31 |
Correct |
26 ms |
1236 KB |
Output is correct |
32 |
Correct |
26 ms |
1236 KB |
Output is correct |
33 |
Correct |
4 ms |
852 KB |
Output is correct |
34 |
Correct |
4 ms |
880 KB |
Output is correct |
35 |
Correct |
4 ms |
852 KB |
Output is correct |
36 |
Correct |
5 ms |
908 KB |
Output is correct |
37 |
Correct |
0 ms |
468 KB |
Output is correct |
38 |
Correct |
4 ms |
852 KB |
Output is correct |
39 |
Correct |
4 ms |
852 KB |
Output is correct |
40 |
Correct |
4 ms |
852 KB |
Output is correct |
41 |
Correct |
1 ms |
468 KB |
Output is correct |
42 |
Correct |
5 ms |
852 KB |
Output is correct |
43 |
Correct |
31 ms |
1364 KB |
Output is correct |
44 |
Correct |
45 ms |
1492 KB |
Output is correct |
45 |
Correct |
52 ms |
2112 KB |
Output is correct |
46 |
Correct |
30 ms |
1516 KB |
Output is correct |
47 |
Correct |
30 ms |
1496 KB |
Output is correct |
48 |
Correct |
30 ms |
1520 KB |
Output is correct |
49 |
Correct |
97 ms |
2036 KB |
Output is correct |
50 |
Correct |
0 ms |
468 KB |
Output is correct |
51 |
Correct |
0 ms |
468 KB |
Output is correct |
52 |
Correct |
32 ms |
1308 KB |
Output is correct |
53 |
Correct |
37 ms |
1236 KB |
Output is correct |
54 |
Correct |
29 ms |
1364 KB |
Output is correct |
55 |
Correct |
28 ms |
1364 KB |
Output is correct |
56 |
Correct |
27 ms |
1236 KB |
Output is correct |
57 |
Correct |
0 ms |
468 KB |
Output is correct |
58 |
Correct |
7 ms |
988 KB |
Output is correct |
59 |
Correct |
7 ms |
980 KB |
Output is correct |
60 |
Correct |
7 ms |
980 KB |
Output is correct |
61 |
Correct |
107 ms |
2000 KB |
Output is correct |
62 |
Correct |
113 ms |
2116 KB |
Output is correct |
63 |
Correct |
0 ms |
468 KB |
Output is correct |