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Submission #924478

# Submission time Handle Problem Language Result Execution time Memory
924478 2024-02-09T05:15:50 Z UmairAhmadMirza Toll (BOI17_toll) C++17
100 / 100
 177 ms 25680 KB 
#include <bits/stdc++.h>
using namespace std;
int const N=2e5;
int const inf=1e9+5;
int wei[N][20][6];
int main(){
  int k,n,m,o;
  cin>>k>>n>>m>>o;
  for(int i=0;i<n;i++)
    for(int j=0;j<=16;j++)
      for(int kk=0;kk<=5;kk++)
        wei[i][j][kk]=inf;
  for(int i=0;i<m;i++){
    int a,b,w;
    cin>>a>>b>>w;
    // swap(a,b);//switch directions;
    wei[a][0][b%k]=w;
  }
  //compute
  int midnode=0;
  for(int par=1;par<=15;par++){
    for(int node=0;node<n;node++){
      midnode=(((1<<(par-1))+(node/k))*k);
      for(int md=0;md<k;md++){
        for(int d=0;d<k;d++){
          wei[node][par][md]=min(wei[node][par][md],(wei[node][par-1][d]+wei[midnode+d][par-1][md]));
        }
      }
    }
  }
  while(o--){
    int a,b;
    cin>>a>>b;
    int d=(b/k)-(a/k);
    if(d<0){
      cout<<-1<<endl;
      continue;
    }
    int w[k],ww[k];
    for(int i=0;i<k;i++)
      w[i]=inf;
    w[a%k]=0;
    int cur=a/k;
    while(d){
      int par=31-(__builtin_clz(d));
      d-=(1<<par);
      // cout<<"par "<<par<<endl;
      for(int i=0;i<k;i++){
        int mn=inf;
        for(int j=0;j<k;j++)
          mn=min(mn,w[j]+wei[(cur*k)+j][par][i]);
        ww[i]=mn;
      }
      for(int i=0;i<k;i++)
        w[i]=ww[i];
      cur+=(1<<par);
    }
    if(w[b%k]>=inf)
      w[b%k]=-1;
    cout<<w[b%k]<<endl;
  }
  return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 25180 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 2648 KB Output is correct
6 Correct 3 ms 2652 KB Output is correct
7 Correct 3 ms 2904 KB Output is correct
8 Correct 58 ms 25180 KB Output is correct
9 Correct 55 ms 25236 KB Output is correct
10 Correct 28 ms 25176 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 25232 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 16 ms 2652 KB Output is correct
8 Correct 21 ms 2652 KB Output is correct
9 Correct 61 ms 25220 KB Output is correct
10 Correct 116 ms 25176 KB Output is correct
11 Correct 87 ms 25236 KB Output is correct
12 Correct 94 ms 25180 KB Output is correct
13 Correct 135 ms 14936 KB Output is correct
14 Correct 66 ms 14956 KB Output is correct
15 Correct 76 ms 14960 KB Output is correct
16 Correct 86 ms 14940 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 2444 KB Output is correct
7 Correct 2 ms 2648 KB Output is correct
8 Correct 3 ms 2652 KB Output is correct
9 Correct 3 ms 2652 KB Output is correct
10 Correct 45 ms 25428 KB Output is correct
11 Correct 77 ms 25216 KB Output is correct
12 Correct 98 ms 25232 KB Output is correct
13 Correct 110 ms 25220 KB Output is correct
14 Correct 93 ms 25220 KB Output is correct
15 Correct 61 ms 14936 KB Output is correct
16 Correct 64 ms 15192 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 2444 KB Output is correct
7 Correct 2 ms 2648 KB Output is correct
8 Correct 3 ms 2652 KB Output is correct
9 Correct 3 ms 2652 KB Output is correct
10 Correct 45 ms 25428 KB Output is correct
11 Correct 77 ms 25216 KB Output is correct
12 Correct 98 ms 25232 KB Output is correct
13 Correct 110 ms 25220 KB Output is correct
14 Correct 93 ms 25220 KB Output is correct
15 Correct 61 ms 14936 KB Output is correct
16 Correct 64 ms 15192 KB Output is correct
17 Correct 81 ms 25220 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 6 ms 2652 KB Output is correct
24 Correct 6 ms 2652 KB Output is correct
25 Correct 8 ms 2652 KB Output is correct
26 Correct 7 ms 2716 KB Output is correct
27 Correct 45 ms 25240 KB Output is correct
28 Correct 105 ms 25180 KB Output is correct
29 Correct 113 ms 25484 KB Output is correct
30 Correct 95 ms 25180 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 25180 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 2648 KB Output is correct
6 Correct 3 ms 2652 KB Output is correct
7 Correct 3 ms 2904 KB Output is correct
8 Correct 58 ms 25180 KB Output is correct
9 Correct 55 ms 25236 KB Output is correct
10 Correct 28 ms 25176 KB Output is correct
11 Correct 85 ms 25232 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 16 ms 2652 KB Output is correct
18 Correct 21 ms 2652 KB Output is correct
19 Correct 61 ms 25220 KB Output is correct
20 Correct 116 ms 25176 KB Output is correct
21 Correct 87 ms 25236 KB Output is correct
22 Correct 94 ms 25180 KB Output is correct
23 Correct 135 ms 14936 KB Output is correct
24 Correct 66 ms 14956 KB Output is correct
25 Correct 76 ms 14960 KB Output is correct
26 Correct 86 ms 14940 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 2 ms 2444 KB Output is correct
33 Correct 2 ms 2648 KB Output is correct
34 Correct 3 ms 2652 KB Output is correct
35 Correct 3 ms 2652 KB Output is correct
36 Correct 45 ms 25428 KB Output is correct
37 Correct 77 ms 25216 KB Output is correct
38 Correct 98 ms 25232 KB Output is correct
39 Correct 110 ms 25220 KB Output is correct
40 Correct 93 ms 25220 KB Output is correct
41 Correct 61 ms 14936 KB Output is correct
42 Correct 64 ms 15192 KB Output is correct
43 Correct 81 ms 25220 KB Output is correct
44 Correct 0 ms 344 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 6 ms 2652 KB Output is correct
50 Correct 6 ms 2652 KB Output is correct
51 Correct 8 ms 2652 KB Output is correct
52 Correct 7 ms 2716 KB Output is correct
53 Correct 45 ms 25240 KB Output is correct
54 Correct 105 ms 25180 KB Output is correct
55 Correct 113 ms 25484 KB Output is correct
56 Correct 95 ms 25180 KB Output is correct
57 Correct 177 ms 25180 KB Output is correct
58 Correct 58 ms 25176 KB Output is correct
59 Correct 98 ms 25680 KB Output is correct