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Submission #129906

# Submission time Handle Problem Language Result Execution time Memory
129906 2019-07-13T13:30:59 Z Abelyan Toll (BOI17_toll) C++17
100 / 100
 204 ms 47932 KB 
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
 
#define FOR(i,a) for (int i=0;i<(a);++i)
#define FORD(i,a) for (int i=(a)-1;i>=0;i--)
#define FORT(i,a,b) for (int i=(a);i<=(b);++i)
#define FORTD(i,b,a) for (int i=(b);i>=(a);--i)
#define trav(i,v) for (auto i : v)
#define all(v) v.begin(),v.end()
#define ad push_back
#define fr first
#define sc second
#define mpr(a,b) make_pair(a,b)
#define pir pair<int,int>
#define all(v) v.begin(),v.end()
#define make_unique(v) v.erase(unique(all(v)),v.end())
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define srng mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#define y1 EsiHancagorcRepa
 
const int N=1e5+10;
const ll MOD=1e9+7;
 
int k,n,m,o;
 
struct node{
    int a[5][5];
    node(){
        FOR(i,5)FOR(j,5)a[i][j]=INT_MAX;
    }
    void operator=(node t){
        FOR(i,5)FOR(j,5)a[i][j]=t.a[i][j];
    }
}sg[4*N],zro;
 
node mrg(node a,node b){
    if (b.a[0][0]==-1)return a;
    if (a.a[0][0]==-1)return b;
    node c;
    FOR(i,k){
        FOR(j,k){
            c.a[i][j]=INT_MAX;
        }
    }
    FOR(i,k){
        FOR(j,k){
            FOR(mj,5){
                if (a.a[i][mj]==INT_MAX)continue;
                if (b.a[mj][j]==INT_MAX)continue;
                c.a[i][j]=min(c.a[i][j],a.a[i][mj]+b.a[mj][j]);
            }
        }
    }
    return c;
}
 
vector<pir> g[N];
 
void build(int v,int tl,int tr){
    //sg[v]=new node();
    if (tl==tr){
        FOR(i,k){
            trav(to,g[tl*k+i]){
                //cout<<"heey "<<sg[v].a[i][to.fr%k]<<endl;
                sg[v].a[i][to.fr%k]=to.sc;
            }
        }
        /*
        cout<<v<<" "<<tl<<" "<<tr<<endl;
        FOR(i,k){
            FOR(j,k){
                cout<<sg[v].a[i][j]<<" ";
            }
            cout<<endl;
        }
        cout<<"************"<<endl;*/
        return;
    }
    int tm=(tl+tr)/2;
    build(v+v,tl,tm);
    build(v+v+1,tm+1,tr);
    sg[v]=mrg(sg[v+v],sg[v+v+1]);
    /*
    cout<<v<<" "<<tl<<" "<<tr<<endl;;
    FOR(i,k){
        FOR(j,k){
            cout<<sg[v].a[i][j]<<" ";
        }
        cout<<endl;
    }
    cout<<"************"<<endl;*/
}
 
node query(int v,int tl,int tr,int l,int r){
    //cout<<v<<" "<<tl<<" "<<tr<<" "<<l<<" "<<r<<endl;
    if (l>r) return zro;
    if (tl==l && tr==r)return sg[v];
    int tm=(tl+tr)/2;
    return mrg(query(v+v,tl,tm,l,min(tm,r)),query(v+v+1,tm+1,tr,max(tm+1,l),r));
}
 
int main(){
    fastio;
    srng;
    //cout<<zro.a[1][1]<<endl;
    //zro=new node();
    cin>>k>>n>>m>>o;
    FOR(i,m){
        int a,b,c;
        cin>>a>>b>>c;
        g[a].ad({b,c});
        //g[b].ad({a,c});
    }
    zro.a[0][0]=-1;
    while(n%k)n++;
    int qan=n/k;
    build(1,0,qan);
    FOR(i,o){
        int l,r;
        cin>>l>>r;
        if (l/k>=r/k){
            cout<<-1<<endl;
            continue;
        }
        node tv=query(1,0,qan,l/k,r/k-1);
        if (tv.a[l%k][r%k]==INT_MAX)cout<<-1<<endl;
        else cout<<tv.a[l%k][r%k]<<endl;
    }
 
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 119 ms 44408 KB Output is correct
2 Correct 37 ms 41848 KB Output is correct
3 Correct 41 ms 41848 KB Output is correct
4 Correct 43 ms 41848 KB Output is correct
5 Correct 49 ms 41848 KB Output is correct
6 Correct 46 ms 41840 KB Output is correct
7 Correct 42 ms 41848 KB Output is correct
8 Correct 121 ms 44536 KB Output is correct
9 Correct 114 ms 44148 KB Output is correct
10 Correct 101 ms 41976 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 45176 KB Output is correct
2 Correct 37 ms 41848 KB Output is correct
3 Correct 38 ms 41828 KB Output is correct
4 Correct 38 ms 41764 KB Output is correct
5 Correct 44 ms 41848 KB Output is correct
6 Correct 39 ms 41844 KB Output is correct
7 Correct 70 ms 41976 KB Output is correct
8 Correct 71 ms 42040 KB Output is correct
9 Correct 117 ms 44432 KB Output is correct
10 Correct 153 ms 46712 KB Output is correct
11 Correct 130 ms 45248 KB Output is correct
12 Correct 124 ms 44664 KB Output is correct
13 Correct 130 ms 47184 KB Output is correct
14 Correct 95 ms 45148 KB Output is correct
15 Correct 93 ms 44384 KB Output is correct
16 Correct 94 ms 44496 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 41848 KB Output is correct
2 Correct 40 ms 41948 KB Output is correct
3 Correct 38 ms 41848 KB Output is correct
4 Correct 38 ms 41848 KB Output is correct
5 Correct 38 ms 41868 KB Output is correct
6 Correct 39 ms 41848 KB Output is correct
7 Correct 39 ms 41820 KB Output is correct
8 Correct 40 ms 41976 KB Output is correct
9 Correct 40 ms 41892 KB Output is correct
10 Correct 72 ms 44280 KB Output is correct
11 Correct 114 ms 44904 KB Output is correct
12 Correct 140 ms 46532 KB Output is correct
13 Correct 122 ms 47096 KB Output is correct
14 Correct 100 ms 45660 KB Output is correct
15 Correct 79 ms 44280 KB Output is correct
16 Correct 78 ms 44360 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 41848 KB Output is correct
2 Correct 40 ms 41948 KB Output is correct
3 Correct 38 ms 41848 KB Output is correct
4 Correct 38 ms 41848 KB Output is correct
5 Correct 38 ms 41868 KB Output is correct
6 Correct 39 ms 41848 KB Output is correct
7 Correct 39 ms 41820 KB Output is correct
8 Correct 40 ms 41976 KB Output is correct
9 Correct 40 ms 41892 KB Output is correct
10 Correct 72 ms 44280 KB Output is correct
11 Correct 114 ms 44904 KB Output is correct
12 Correct 140 ms 46532 KB Output is correct
13 Correct 122 ms 47096 KB Output is correct
14 Correct 100 ms 45660 KB Output is correct
15 Correct 79 ms 44280 KB Output is correct
16 Correct 78 ms 44360 KB Output is correct
17 Correct 120 ms 45032 KB Output is correct
18 Correct 37 ms 41744 KB Output is correct
19 Correct 38 ms 41848 KB Output is correct
20 Correct 37 ms 41848 KB Output is correct
21 Correct 38 ms 41848 KB Output is correct
22 Correct 38 ms 41832 KB Output is correct
23 Correct 52 ms 41848 KB Output is correct
24 Correct 50 ms 41976 KB Output is correct
25 Correct 56 ms 42104 KB Output is correct
26 Correct 51 ms 41948 KB Output is correct
27 Correct 85 ms 44412 KB Output is correct
28 Correct 146 ms 46556 KB Output is correct
29 Correct 159 ms 47052 KB Output is correct
30 Correct 121 ms 46064 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 119 ms 44408 KB Output is correct
2 Correct 37 ms 41848 KB Output is correct
3 Correct 41 ms 41848 KB Output is correct
4 Correct 43 ms 41848 KB Output is correct
5 Correct 49 ms 41848 KB Output is correct
6 Correct 46 ms 41840 KB Output is correct
7 Correct 42 ms 41848 KB Output is correct
8 Correct 121 ms 44536 KB Output is correct
9 Correct 114 ms 44148 KB Output is correct
10 Correct 101 ms 41976 KB Output is correct
11 Correct 128 ms 45176 KB Output is correct
12 Correct 37 ms 41848 KB Output is correct
13 Correct 38 ms 41828 KB Output is correct
14 Correct 38 ms 41764 KB Output is correct
15 Correct 44 ms 41848 KB Output is correct
16 Correct 39 ms 41844 KB Output is correct
17 Correct 70 ms 41976 KB Output is correct
18 Correct 71 ms 42040 KB Output is correct
19 Correct 117 ms 44432 KB Output is correct
20 Correct 153 ms 46712 KB Output is correct
21 Correct 130 ms 45248 KB Output is correct
22 Correct 124 ms 44664 KB Output is correct
23 Correct 130 ms 47184 KB Output is correct
24 Correct 95 ms 45148 KB Output is correct
25 Correct 93 ms 44384 KB Output is correct
26 Correct 94 ms 44496 KB Output is correct
27 Correct 37 ms 41848 KB Output is correct
28 Correct 40 ms 41948 KB Output is correct
29 Correct 38 ms 41848 KB Output is correct
30 Correct 38 ms 41848 KB Output is correct
31 Correct 38 ms 41868 KB Output is correct
32 Correct 39 ms 41848 KB Output is correct
33 Correct 39 ms 41820 KB Output is correct
34 Correct 40 ms 41976 KB Output is correct
35 Correct 40 ms 41892 KB Output is correct
36 Correct 72 ms 44280 KB Output is correct
37 Correct 114 ms 44904 KB Output is correct
38 Correct 140 ms 46532 KB Output is correct
39 Correct 122 ms 47096 KB Output is correct
40 Correct 100 ms 45660 KB Output is correct
41 Correct 79 ms 44280 KB Output is correct
42 Correct 78 ms 44360 KB Output is correct
43 Correct 120 ms 45032 KB Output is correct
44 Correct 37 ms 41744 KB Output is correct
45 Correct 38 ms 41848 KB Output is correct
46 Correct 37 ms 41848 KB Output is correct
47 Correct 38 ms 41848 KB Output is correct
48 Correct 38 ms 41832 KB Output is correct
49 Correct 52 ms 41848 KB Output is correct
50 Correct 50 ms 41976 KB Output is correct
51 Correct 56 ms 42104 KB Output is correct
52 Correct 51 ms 41948 KB Output is correct
53 Correct 85 ms 44412 KB Output is correct
54 Correct 146 ms 46556 KB Output is correct
55 Correct 159 ms 47052 KB Output is correct
56 Correct 121 ms 46064 KB Output is correct
57 Correct 204 ms 47932 KB Output is correct
58 Correct 119 ms 44280 KB Output is correct
59 Correct 134 ms 45176 KB Output is correct