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Submission #628591

# Submission time Handle Problem Language Result Execution time Memory
628591 2022-08-13T14:10:31 Z kakayoshi Toll (BOI17_toll) C++17
100 / 100
 150 ms 43724 KB 
#include <bits/stdc++.h>
using namespace std;
#define forw(i,a,b) for(ll i=a;i<=b;i++)
#define forb(i,a,b) for(ll i=a;i>=b;i--)
#define fi first
#define se second
#define pb push_back
#define all(a) a.begin(),a.end()
#define getbit(mask,i) ((mask>>i)&1)
#define getnum(i) (1<<(i))
#define minimize(a,b) ()
typedef long long int ll;
const ll maxN=1e6+5;
const ll mod=1e9+7;
const ll oo=1e18;
ll k,n,m,q,d[maxN][17][6],tmp[6],ans[6];
void solve()
{
    cin>>k>>n>>m>>q;
    // init
    // d[u][i][v] : position i ; go through 2^i blocks ; destination k*(u/k+2^i) + v
    forw(u,0,n-1)
        forw(i,0,16)
            forw(v,0,k-1)
                d[u][i][v]=oo;
    // read
    forw(i,1,m)
    {
        int u,v,val;cin>>u>>v>>val;
        d[u][0][v%k]=val;
    }
    // sparse
    forb(u,n-1,0)
    {
        forw(i,1,16)
            forw(pos,0,k-1)
                forw(v,0,k-1)
                    d[u][i][v]=min(d[u][i][v],d[u][i-1][pos]+d[pos+k*(u/k+getnum(i-1))][i-1][v]);
    }
    // query
    while (q--)
    {
        int l,r; cin>>l>>r;
        int blocks=r/k - l/k; blocks--;
        forw(i,0,k-1) ans[i]=d[l][0][i];
        int cnt=l/k+1;
        forw(i,0,16)
        if (blocks & getnum(i))
        {
            forw(u,0,k-1) tmp[u]=oo;

            forw(u,0,k-1)
                forw(v,0,k-1)
                    tmp[v]=min(tmp[v],ans[u]+d[u+cnt*k][i][v]);
            forw(u,0,k-1) ans[u]=tmp[u];
            cnt+=getnum(i);
        }
        if (ans[r%k]==oo) cout<<-1<<"\n";
        else cout<<ans[r%k]<<"\n";
    }
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    //freopen("bruh.inp","r",stdin);
    //freopen("bruh.out","w",stdout);
    solve();
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 40280 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 2 ms 1108 KB Output is correct
7 Correct 2 ms 1108 KB Output is correct
8 Correct 50 ms 40284 KB Output is correct
9 Correct 49 ms 40232 KB Output is correct
10 Correct 36 ms 40276 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 40360 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 6 ms 1172 KB Output is correct
8 Correct 5 ms 1148 KB Output is correct
9 Correct 55 ms 40284 KB Output is correct
10 Correct 86 ms 40364 KB Output is correct
11 Correct 84 ms 40380 KB Output is correct
12 Correct 74 ms 40396 KB Output is correct
13 Correct 89 ms 24372 KB Output is correct
14 Correct 56 ms 24404 KB Output is correct
15 Correct 70 ms 24448 KB Output is correct
16 Correct 65 ms 24400 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 2 ms 1108 KB Output is correct
8 Correct 4 ms 1108 KB Output is correct
9 Correct 2 ms 1108 KB Output is correct
10 Correct 45 ms 40264 KB Output is correct
11 Correct 63 ms 40328 KB Output is correct
12 Correct 83 ms 40388 KB Output is correct
13 Correct 98 ms 40328 KB Output is correct
14 Correct 81 ms 40352 KB Output is correct
15 Correct 65 ms 24384 KB Output is correct
16 Correct 76 ms 24384 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 2 ms 1108 KB Output is correct
8 Correct 4 ms 1108 KB Output is correct
9 Correct 2 ms 1108 KB Output is correct
10 Correct 45 ms 40264 KB Output is correct
11 Correct 63 ms 40328 KB Output is correct
12 Correct 83 ms 40388 KB Output is correct
13 Correct 98 ms 40328 KB Output is correct
14 Correct 81 ms 40352 KB Output is correct
15 Correct 65 ms 24384 KB Output is correct
16 Correct 76 ms 24384 KB Output is correct
17 Correct 68 ms 40348 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 328 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 328 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 4 ms 1108 KB Output is correct
24 Correct 4 ms 1108 KB Output is correct
25 Correct 6 ms 1272 KB Output is correct
26 Correct 4 ms 1236 KB Output is correct
27 Correct 57 ms 41124 KB Output is correct
28 Correct 97 ms 42580 KB Output is correct
29 Correct 92 ms 42828 KB Output is correct
30 Correct 87 ms 42360 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 40280 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 2 ms 1108 KB Output is correct
7 Correct 2 ms 1108 KB Output is correct
8 Correct 50 ms 40284 KB Output is correct
9 Correct 49 ms 40232 KB Output is correct
10 Correct 36 ms 40276 KB Output is correct
11 Correct 73 ms 40360 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 6 ms 1172 KB Output is correct
18 Correct 5 ms 1148 KB Output is correct
19 Correct 55 ms 40284 KB Output is correct
20 Correct 86 ms 40364 KB Output is correct
21 Correct 84 ms 40380 KB Output is correct
22 Correct 74 ms 40396 KB Output is correct
23 Correct 89 ms 24372 KB Output is correct
24 Correct 56 ms 24404 KB Output is correct
25 Correct 70 ms 24448 KB Output is correct
26 Correct 65 ms 24400 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 1 ms 1108 KB Output is correct
33 Correct 2 ms 1108 KB Output is correct
34 Correct 4 ms 1108 KB Output is correct
35 Correct 2 ms 1108 KB Output is correct
36 Correct 45 ms 40264 KB Output is correct
37 Correct 63 ms 40328 KB Output is correct
38 Correct 83 ms 40388 KB Output is correct
39 Correct 98 ms 40328 KB Output is correct
40 Correct 81 ms 40352 KB Output is correct
41 Correct 65 ms 24384 KB Output is correct
42 Correct 76 ms 24384 KB Output is correct
43 Correct 68 ms 40348 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 0 ms 328 KB Output is correct
46 Correct 1 ms 320 KB Output is correct
47 Correct 1 ms 328 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 4 ms 1108 KB Output is correct
50 Correct 4 ms 1108 KB Output is correct
51 Correct 6 ms 1272 KB Output is correct
52 Correct 4 ms 1236 KB Output is correct
53 Correct 57 ms 41124 KB Output is correct
54 Correct 97 ms 42580 KB Output is correct
55 Correct 92 ms 42828 KB Output is correct
56 Correct 87 ms 42360 KB Output is correct
57 Correct 150 ms 43724 KB Output is correct
58 Correct 55 ms 41204 KB Output is correct
59 Correct 78 ms 42136 KB Output is correct