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Submission #924475

# Submission time Handle Problem Language Result Execution time Memory
924475 2024-02-09T05:14:43 Z UmairAhmadMirza Toll (BOI17_toll) C++17
7 / 100
 130 ms 30056 KB 
#include <bits/stdc++.h>
using namespace std;
int const N=1e5;
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 58 ms 25176 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 3 ms 2652 KB Output is correct
6 Correct 3 ms 2652 KB Output is correct
7 Correct 3 ms 2652 KB Output is correct
8 Correct 63 ms 25232 KB Output is correct
9 Correct 58 ms 25176 KB Output is correct
10 Correct 29 ms 25176 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 25684 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 15 ms 2652 KB Output is correct
8 Correct 22 ms 2648 KB Output is correct
9 Correct 61 ms 25240 KB Output is correct
10 Correct 117 ms 25176 KB Output is correct
11 Correct 88 ms 25232 KB Output is correct
12 Correct 91 ms 25236 KB Output is correct
13 Runtime error 113 ms 30056 KB Execution killed with signal 11
14 Halted 0 ms 0 KB -

Subtask #3
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 1 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 1 ms 2652 KB Output is correct
7 Correct 2 ms 2672 KB Output is correct
8 Correct 4 ms 2904 KB Output is correct
9 Correct 3 ms 2652 KB Output is correct
10 Correct 41 ms 25180 KB Output is correct
11 Correct 69 ms 25240 KB Output is correct
12 Correct 130 ms 25216 KB Output is correct
13 Correct 110 ms 25180 KB Output is correct
14 Correct 85 ms 25176 KB Output is correct
15 Runtime error 72 ms 30036 KB Execution killed with signal 11
16 Halted 0 ms 0 KB -

Subtask #4
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 1 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 1 ms 2652 KB Output is correct
7 Correct 2 ms 2672 KB Output is correct
8 Correct 4 ms 2904 KB Output is correct
9 Correct 3 ms 2652 KB Output is correct
10 Correct 41 ms 25180 KB Output is correct
11 Correct 69 ms 25240 KB Output is correct
12 Correct 130 ms 25216 KB Output is correct
13 Correct 110 ms 25180 KB Output is correct
14 Correct 85 ms 25176 KB Output is correct
15 Runtime error 72 ms 30036 KB Execution killed with signal 11
16 Halted 0 ms 0 KB -

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 25176 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 3 ms 2652 KB Output is correct
6 Correct 3 ms 2652 KB Output is correct
7 Correct 3 ms 2652 KB Output is correct
8 Correct 63 ms 25232 KB Output is correct
9 Correct 58 ms 25176 KB Output is correct
10 Correct 29 ms 25176 KB Output is correct
11 Correct 92 ms 25684 KB Output is correct
12 Correct 0 ms 344 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 348 KB Output is correct
17 Correct 15 ms 2652 KB Output is correct
18 Correct 22 ms 2648 KB Output is correct
19 Correct 61 ms 25240 KB Output is correct
20 Correct 117 ms 25176 KB Output is correct
21 Correct 88 ms 25232 KB Output is correct
22 Correct 91 ms 25236 KB Output is correct
23 Runtime error 113 ms 30056 KB Execution killed with signal 11
24 Halted 0 ms 0 KB -