#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define int ll
int N, M, K;
int S[101][1001], B[101][1001];
int D[101][101], G[101][101];
int DP[101][101];
int32_t main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> N >> M >> K;
for(int l = 1; l <= N; l++)
for(int i = 1; i <= N; i++)
D[l][i] = 1e9 + 7;
for(int l = 1; l <= N; l++)
for(int i = 1; i <= K; i++)
cin >> B[l][i] >> S[l][i];
for(int l = 0; l < M; l++) {
int V, W, T; cin >> V >> W >> T;
D[V][W] = T;
}
for(int l = 1; l <= N; l++)
for(int i = 1; i <= N; i++)
for(int j = 1; j <= K; j++)
if(B[l][j] != -1 && S[i][j] != -1)
G[l][i] = max(G[l][i], S[i][j] - B[l][j]);
for(int l = 1; l <= N; l++)
for(int i = 1; i <= N; i++)
for(int j = 1; j <= N; j++)
D[i][j] = min(D[i][j], D[i][l] + D[l][j]);
int lo = 1, hi = 1e9 + 7, res = 0;
while(lo <= hi) {
int md = (lo + hi) / 2;
for(int l = 1; l <= N; l++)
for(int i = 1; i <= N; i++)
DP[l][i] = md * D[l][i] - G[l][i];
for(int l = 1; l <= N; l++)
for(int i = 1; i <= N; i++)
for(int j = 1; j <= N; j++)
DP[i][j] = min(DP[i][j], DP[i][l] + DP[l][j]);
bool can = false;
for(int l = 1; l <= N; l++)
can |= (DP[l][l] <= 0);
if(can) res = md, lo = md + 1;
else hi = md - 1;
}
cout << res << "\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
49 ms |
2004 KB |
Output is correct |
| 2 |
Correct |
30 ms |
1288 KB |
Output is correct |
| 3 |
Correct |
31 ms |
1236 KB |
Output is correct |
| 4 |
Correct |
4 ms |
724 KB |
Output is correct |
| 5 |
Correct |
4 ms |
724 KB |
Output is correct |
| 6 |
Correct |
4 ms |
724 KB |
Output is correct |
| 7 |
Correct |
5 ms |
852 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
4 ms |
724 KB |
Output is correct |
| 10 |
Correct |
5 ms |
724 KB |
Output is correct |
| 11 |
Correct |
4 ms |
724 KB |
Output is correct |
| 12 |
Correct |
0 ms |
340 KB |
Output is correct |
| 13 |
Correct |
5 ms |
856 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
724 KB |
Output is correct |
| 2 |
Correct |
5 ms |
852 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
4 ms |
724 KB |
Output is correct |
| 5 |
Correct |
5 ms |
724 KB |
Output is correct |
| 6 |
Correct |
4 ms |
724 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
5 ms |
856 KB |
Output is correct |
| 9 |
Correct |
4 ms |
852 KB |
Output is correct |
| 10 |
Correct |
4 ms |
872 KB |
Output is correct |
| 11 |
Correct |
5 ms |
852 KB |
Output is correct |
| 12 |
Correct |
4 ms |
852 KB |
Output is correct |
| 13 |
Correct |
5 ms |
852 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
4 ms |
852 KB |
Output is correct |
| 16 |
Correct |
5 ms |
852 KB |
Output is correct |
| 17 |
Correct |
4 ms |
860 KB |
Output is correct |
| 18 |
Correct |
4 ms |
852 KB |
Output is correct |
| 19 |
Correct |
5 ms |
852 KB |
Output is correct |
| 20 |
Correct |
5 ms |
852 KB |
Output is correct |
| 21 |
Correct |
5 ms |
852 KB |
Output is correct |
| 22 |
Correct |
4 ms |
852 KB |
Output is correct |
| 23 |
Correct |
5 ms |
900 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 |
340 KB |
Output is correct |
| 27 |
Correct |
5 ms |
852 KB |
Output is correct |
| 28 |
Correct |
5 ms |
852 KB |
Output is correct |
| 29 |
Correct |
5 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 |
340 KB |
Output is correct |
| 3 |
Correct |
5 ms |
852 KB |
Output is correct |
| 4 |
Correct |
5 ms |
852 KB |
Output is correct |
| 5 |
Correct |
5 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 |
34 ms |
1504 KB |
Output is correct |
| 9 |
Correct |
61 ms |
2148 KB |
Output is correct |
| 10 |
Correct |
32 ms |
1364 KB |
Output is correct |
| 11 |
Correct |
34 ms |
1432 KB |
Output is correct |
| 12 |
Correct |
34 ms |
1516 KB |
Output is correct |
| 13 |
Correct |
33 ms |
1408 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
852 KB |
Output is correct |
| 2 |
Correct |
4 ms |
872 KB |
Output is correct |
| 3 |
Correct |
5 ms |
852 KB |
Output is correct |
| 4 |
Correct |
4 ms |
852 KB |
Output is correct |
| 5 |
Correct |
5 ms |
852 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
4 ms |
852 KB |
Output is correct |
| 8 |
Correct |
5 ms |
852 KB |
Output is correct |
| 9 |
Correct |
4 ms |
860 KB |
Output is correct |
| 10 |
Correct |
4 ms |
852 KB |
Output is correct |
| 11 |
Correct |
5 ms |
852 KB |
Output is correct |
| 12 |
Correct |
5 ms |
852 KB |
Output is correct |
| 13 |
Correct |
5 ms |
852 KB |
Output is correct |
| 14 |
Correct |
4 ms |
852 KB |
Output is correct |
| 15 |
Correct |
5 ms |
900 KB |
Output is correct |
| 16 |
Correct |
4 ms |
852 KB |
Output is correct |
| 17 |
Correct |
34 ms |
1504 KB |
Output is correct |
| 18 |
Correct |
61 ms |
2148 KB |
Output is correct |
| 19 |
Correct |
32 ms |
1364 KB |
Output is correct |
| 20 |
Correct |
34 ms |
1432 KB |
Output is correct |
| 21 |
Correct |
34 ms |
1516 KB |
Output is correct |
| 22 |
Correct |
33 ms |
1408 KB |
Output is correct |
| 23 |
Correct |
5 ms |
852 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
5 ms |
852 KB |
Output is correct |
| 26 |
Correct |
5 ms |
852 KB |
Output is correct |
| 27 |
Correct |
5 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 |
49 ms |
2004 KB |
Output is correct |
| 31 |
Correct |
30 ms |
1288 KB |
Output is correct |
| 32 |
Correct |
31 ms |
1236 KB |
Output is correct |
| 33 |
Correct |
4 ms |
724 KB |
Output is correct |
| 34 |
Correct |
4 ms |
724 KB |
Output is correct |
| 35 |
Correct |
4 ms |
724 KB |
Output is correct |
| 36 |
Correct |
5 ms |
852 KB |
Output is correct |
| 37 |
Correct |
0 ms |
340 KB |
Output is correct |
| 38 |
Correct |
4 ms |
724 KB |
Output is correct |
| 39 |
Correct |
5 ms |
724 KB |
Output is correct |
| 40 |
Correct |
4 ms |
724 KB |
Output is correct |
| 41 |
Correct |
0 ms |
340 KB |
Output is correct |
| 42 |
Correct |
5 ms |
856 KB |
Output is correct |
| 43 |
Correct |
37 ms |
1364 KB |
Output is correct |
| 44 |
Correct |
33 ms |
1492 KB |
Output is correct |
| 45 |
Correct |
45 ms |
2120 KB |
Output is correct |
| 46 |
Correct |
33 ms |
1500 KB |
Output is correct |
| 47 |
Correct |
33 ms |
1492 KB |
Output is correct |
| 48 |
Correct |
33 ms |
1508 KB |
Output is correct |
| 49 |
Correct |
56 ms |
2112 KB |
Output is correct |
| 50 |
Correct |
0 ms |
296 KB |
Output is correct |
| 51 |
Correct |
0 ms |
340 KB |
Output is correct |
| 52 |
Correct |
32 ms |
1236 KB |
Output is correct |
| 53 |
Correct |
33 ms |
1236 KB |
Output is correct |
| 54 |
Correct |
33 ms |
1412 KB |
Output is correct |
| 55 |
Correct |
32 ms |
1364 KB |
Output is correct |
| 56 |
Correct |
32 ms |
1236 KB |
Output is correct |
| 57 |
Correct |
0 ms |
340 KB |
Output is correct |
| 58 |
Correct |
5 ms |
936 KB |
Output is correct |
| 59 |
Correct |
5 ms |
852 KB |
Output is correct |
| 60 |
Correct |
5 ms |
852 KB |
Output is correct |
| 61 |
Correct |
57 ms |
2068 KB |
Output is correct |
| 62 |
Correct |
62 ms |
2120 KB |
Output is correct |
| 63 |
Correct |
0 ms |
340 KB |
Output is correct |
