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Submission #1101886

# Submission time Handle Problem Language Result Execution time Memory
1101886 2024-10-17T06:32:52 Z simona1230 Toll (BOI17_toll) C++17
100 / 100
 148 ms 225928 KB 
#include <bits/stdc++.h>
using namespace std;

int k,n,m,o;
long long d[50001][16][6][6];

void read()
{
    cin>>k>>n>>m>>o;
    
    for(int b=0;b<=(n-1)/k;b++)
        for(int i1=0;i1<k;i1++)
            for(int i2=0;i2<k;i2++)
                d[b][0][i1][i2]=1e9;
                
    for(int i=1;i<=m;i++)
    {
        int a,b;
        long long t;
        cin>>a>>b>>t;
        int b1=a/k;
        int i1=a%k;
        int i2=b%k;
        d[b1][0][i1][i2]=min(d[b1][0][i1][i2],t);
    }
}

void prec()
{
    for(int lg=1;lg<16;lg++)
        for(int i1=0;i1<k;i1++)
            for(int i2=0;i2<k;i2++)
                for(int b=0;b<=(n-1)/k;b++)
                    {
                        d[b][lg][i1][i2]=1e9;
                        for(int i3=0;i3<k;i3++)
                             d[b][lg][i1][i2]=min(d[b][lg-1][i1][i3]
                                +d[min(49999,b+(1<<(lg-1)))][lg-1][i3][i2],
                                    d[b][lg][i1][i2]);
                    }
}


long long ans[8],ans2[8];
void compute(int a,int b)
{
    for(int i=0;i<k;i++)
        ans[i]=1e9;
    ans[a%k]=0;
    
    int jump=b/k-a/k;
    int block=a/k;
    for(int lg=0;lg<16;lg++)
    {
        if((1<<lg)&jump)
        {
            for(int i=0;i<k;i++)
                ans2[i]=ans[i];
            for(int i2=0;i2<k;i2++)
            {
                ans[i2]=1e9;
                for(int i1=0;i1<k;i1++)
                    ans[i2]=min(ans[i2],ans2[i1]+d[block][lg][i1][i2]);
            }
            block+=(1<<lg);
        }
    }
    
    int i=b%k;
    if(ans[i]>=1e9)cout<<-1<<endl;
    else cout<<ans[i]<<endl;
}

void solve()
{
    for(int i=1;i<=o;i++)
    {
        int a,b;
        cin>>a>>b;
        compute(a,b);
    }
}

int main() {
    read();
    prec();
    solve();
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 225928 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 4 ms 6736 KB Output is correct
6 Correct 4 ms 6736 KB Output is correct
7 Correct 4 ms 6736 KB Output is correct
8 Correct 76 ms 225864 KB Output is correct
9 Correct 78 ms 225868 KB Output is correct
10 Correct 51 ms 225868 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 113456 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 20 ms 6864 KB Output is correct
8 Correct 24 ms 4688 KB Output is correct
9 Correct 81 ms 225864 KB Output is correct
10 Correct 131 ms 76524 KB Output is correct
11 Correct 97 ms 113716 KB Output is correct
12 Correct 90 ms 76616 KB Output is correct
13 Correct 109 ms 29324 KB Output is correct
14 Correct 65 ms 45908 KB Output is correct
15 Correct 73 ms 29340 KB Output is correct
16 Correct 77 ms 29344 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 6736 KB Output is correct
7 Correct 2 ms 4688 KB Output is correct
8 Correct 3 ms 2640 KB Output is correct
9 Correct 3 ms 2808 KB Output is correct
10 Correct 56 ms 225868 KB Output is correct
11 Correct 81 ms 113452 KB Output is correct
12 Correct 91 ms 76616 KB Output is correct
13 Correct 102 ms 76616 KB Output is correct
14 Correct 86 ms 76520 KB Output is correct
15 Correct 62 ms 29264 KB Output is correct
16 Correct 66 ms 29264 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 6736 KB Output is correct
7 Correct 2 ms 4688 KB Output is correct
8 Correct 3 ms 2640 KB Output is correct
9 Correct 3 ms 2808 KB Output is correct
10 Correct 56 ms 225868 KB Output is correct
11 Correct 81 ms 113452 KB Output is correct
12 Correct 91 ms 76616 KB Output is correct
13 Correct 102 ms 76616 KB Output is correct
14 Correct 86 ms 76520 KB Output is correct
15 Correct 62 ms 29264 KB Output is correct
16 Correct 66 ms 29264 KB Output is correct
17 Correct 86 ms 113456 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 7 ms 6736 KB Output is correct
24 Correct 7 ms 4688 KB Output is correct
25 Correct 8 ms 2640 KB Output is correct
26 Correct 8 ms 2644 KB Output is correct
27 Correct 62 ms 225700 KB Output is correct
28 Correct 112 ms 76532 KB Output is correct
29 Correct 106 ms 76536 KB Output is correct
30 Correct 90 ms 76628 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 225928 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 4 ms 6736 KB Output is correct
6 Correct 4 ms 6736 KB Output is correct
7 Correct 4 ms 6736 KB Output is correct
8 Correct 76 ms 225864 KB Output is correct
9 Correct 78 ms 225868 KB Output is correct
10 Correct 51 ms 225868 KB Output is correct
11 Correct 89 ms 113456 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 20 ms 6864 KB Output is correct
18 Correct 24 ms 4688 KB Output is correct
19 Correct 81 ms 225864 KB Output is correct
20 Correct 131 ms 76524 KB Output is correct
21 Correct 97 ms 113716 KB Output is correct
22 Correct 90 ms 76616 KB Output is correct
23 Correct 109 ms 29324 KB Output is correct
24 Correct 65 ms 45908 KB Output is correct
25 Correct 73 ms 29340 KB Output is correct
26 Correct 77 ms 29344 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 2 ms 6736 KB Output is correct
33 Correct 2 ms 4688 KB Output is correct
34 Correct 3 ms 2640 KB Output is correct
35 Correct 3 ms 2808 KB Output is correct
36 Correct 56 ms 225868 KB Output is correct
37 Correct 81 ms 113452 KB Output is correct
38 Correct 91 ms 76616 KB Output is correct
39 Correct 102 ms 76616 KB Output is correct
40 Correct 86 ms 76520 KB Output is correct
41 Correct 62 ms 29264 KB Output is correct
42 Correct 66 ms 29264 KB Output is correct
43 Correct 86 ms 113456 KB Output is correct
44 Correct 1 ms 336 KB Output is correct
45 Correct 1 ms 336 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 1 ms 336 KB Output is correct
49 Correct 7 ms 6736 KB Output is correct
50 Correct 7 ms 4688 KB Output is correct
51 Correct 8 ms 2640 KB Output is correct
52 Correct 8 ms 2644 KB Output is correct
53 Correct 62 ms 225700 KB Output is correct
54 Correct 112 ms 76532 KB Output is correct
55 Correct 106 ms 76536 KB Output is correct
56 Correct 90 ms 76628 KB Output is correct
57 Correct 148 ms 58064 KB Output is correct
58 Correct 77 ms 225876 KB Output is correct
59 Correct 99 ms 113496 KB Output is correct