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Submission #874100

# Submission time Handle Problem Language Result Execution time Memory
874100 2023-11-16T09:13:18 Z hqminhuwu Toll (BOI17_toll) C++14
100 / 100
 110 ms 311380 KB 
#include <bits/stdc++.h>
#define forr(_a,_b,_c) for(_a = (_b); _a <= (_c); ++_a)
#define ford(_a,_b,_c) for(_a = (_b) + 1; _a --> (_c);)
#define forf(_a,_b,_c) for(_a = (_b); _a < (_c); ++_a)
#define st first
#define nd second
#define ll long long
#define ull unsigned long long
#define pii pair <ll,ll>
#define pll pair <ll,ll>
#define piii pair <ll,pii>
#define vi vector <ll>
#define pb push_back
#define mp make_pair
#define all(x) begin(x),end(x)
#define file "test"


using namespace std;
const ll N = 5e5 + 5;
const ll oo = 1e17;
const ll mod = 1e9 + 7;

inline void mnmize (ll &u, ll v){
    if (u > v)
        u = v;
}

ll n,m,x,q,u,v,w,i,up[20][100005][6][6],j,k,g,l;
vector <pii> a[N];
ll res[6][6],nres[6][6];
void jump (ll u, ll d){
    forr (l,0,18)
    if ((1 << l) & d){
        forf (i,0,x)
        forf (j,0,x)
            nres[i][j] = oo;
        forf (i,0,x)
        forf (j,0,x)
        forf (k,0,x)
            mnmize (nres[i][k],res[i][j] + up[l][u][j][k]);
        swap(res,nres);
        u += (1 << l);
    //    cout << u  << " " << res[0][1] << "\n";
    }
}
int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> x >> n >> m >> q;
    ll bl = n / x + 1;
    forr (i,1,m){
        cin >> u >> v >> w;
        a[u].pb({v,w});
    }
    forr (l,0,18)
    forr (i,0,bl)
    forf (j,0,x)
    forf (k,0,x)
        up[l][i][j][k] = oo;
    forr (i,0,bl)
    forf (j,0,x)
    for (pii v : a[i * x + j]){
        mnmize (up[0][i][j][v.st % x],v.nd);
    }
    forr (l,1,18)
    forr (i,0,bl){
        ll f = i + (1 << (l - 1)); 
        forf (j,0,x) 
        forf (k,0,x)
        forf (g,0,x)
            mnmize (up[l][i][j][g],up[l - 1][i][j][k] + up[l - 1][f][k][g]);
    }
    while (q--){
        ll b,c;
        cin >> b >> c;
        memset(res,0,sizeof res);
        forf (i,0,x)
        forf (j,0,x)
        if (i != j)
            res[i][j] = oo;
        //cout << b/x << " " << c/x << " " << b % x << " " << c % x << "\n";
        jump(b/x, c/x - b/x);
        if (res[b % x][c % x] < oo && b / x != c / x)
            cout << res[b % x][c % x] << "\n";
        else cout << "-1\n";
    }
    return 0;
}
/*



*/

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 308732 KB Output is correct
2 Correct 7 ms 49756 KB Output is correct
3 Correct 7 ms 49756 KB Output is correct
4 Correct 7 ms 49848 KB Output is correct
5 Correct 8 ms 53852 KB Output is correct
6 Correct 8 ms 53852 KB Output is correct
7 Correct 8 ms 53852 KB Output is correct
8 Correct 88 ms 306600 KB Output is correct
9 Correct 86 ms 306688 KB Output is correct
10 Correct 75 ms 307076 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 187952 KB Output is correct
2 Correct 7 ms 49752 KB Output is correct
3 Correct 7 ms 49756 KB Output is correct
4 Correct 7 ms 49756 KB Output is correct
5 Correct 7 ms 49768 KB Output is correct
6 Correct 7 ms 49756 KB Output is correct
7 Correct 11 ms 54108 KB Output is correct
8 Correct 13 ms 51980 KB Output is correct
9 Correct 81 ms 309588 KB Output is correct
10 Correct 82 ms 144296 KB Output is correct
11 Correct 92 ms 189604 KB Output is correct
12 Correct 63 ms 141392 KB Output is correct
13 Correct 78 ms 87768 KB Output is correct
14 Correct 55 ms 109596 KB Output is correct
15 Correct 54 ms 83696 KB Output is correct
16 Correct 55 ms 83896 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 49756 KB Output is correct
2 Correct 7 ms 49756 KB Output is correct
3 Correct 7 ms 49820 KB Output is correct
4 Correct 7 ms 49872 KB Output is correct
5 Correct 7 ms 49768 KB Output is correct
6 Correct 7 ms 53848 KB Output is correct
7 Correct 8 ms 52060 KB Output is correct
8 Correct 8 ms 50012 KB Output is correct
9 Correct 9 ms 52056 KB Output is correct
10 Correct 83 ms 311380 KB Output is correct
11 Correct 77 ms 189456 KB Output is correct
12 Correct 68 ms 144216 KB Output is correct
13 Correct 69 ms 144720 KB Output is correct
14 Correct 63 ms 143112 KB Output is correct
15 Correct 49 ms 83804 KB Output is correct
16 Correct 49 ms 84108 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 49756 KB Output is correct
2 Correct 7 ms 49756 KB Output is correct
3 Correct 7 ms 49820 KB Output is correct
4 Correct 7 ms 49872 KB Output is correct
5 Correct 7 ms 49768 KB Output is correct
6 Correct 7 ms 53848 KB Output is correct
7 Correct 8 ms 52060 KB Output is correct
8 Correct 8 ms 50012 KB Output is correct
9 Correct 9 ms 52056 KB Output is correct
10 Correct 83 ms 311380 KB Output is correct
11 Correct 77 ms 189456 KB Output is correct
12 Correct 68 ms 144216 KB Output is correct
13 Correct 69 ms 144720 KB Output is correct
14 Correct 63 ms 143112 KB Output is correct
15 Correct 49 ms 83804 KB Output is correct
16 Correct 49 ms 84108 KB Output is correct
17 Correct 74 ms 189380 KB Output is correct
18 Correct 7 ms 49756 KB Output is correct
19 Correct 7 ms 49756 KB Output is correct
20 Correct 7 ms 49756 KB Output is correct
21 Correct 7 ms 49756 KB Output is correct
22 Correct 6 ms 49756 KB Output is correct
23 Correct 8 ms 54012 KB Output is correct
24 Correct 10 ms 52060 KB Output is correct
25 Correct 11 ms 50044 KB Output is correct
26 Correct 10 ms 52060 KB Output is correct
27 Correct 81 ms 311236 KB Output is correct
28 Correct 82 ms 144288 KB Output is correct
29 Correct 77 ms 144976 KB Output is correct
30 Correct 71 ms 143012 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 308732 KB Output is correct
2 Correct 7 ms 49756 KB Output is correct
3 Correct 7 ms 49756 KB Output is correct
4 Correct 7 ms 49848 KB Output is correct
5 Correct 8 ms 53852 KB Output is correct
6 Correct 8 ms 53852 KB Output is correct
7 Correct 8 ms 53852 KB Output is correct
8 Correct 88 ms 306600 KB Output is correct
9 Correct 86 ms 306688 KB Output is correct
10 Correct 75 ms 307076 KB Output is correct
11 Correct 76 ms 187952 KB Output is correct
12 Correct 7 ms 49752 KB Output is correct
13 Correct 7 ms 49756 KB Output is correct
14 Correct 7 ms 49756 KB Output is correct
15 Correct 7 ms 49768 KB Output is correct
16 Correct 7 ms 49756 KB Output is correct
17 Correct 11 ms 54108 KB Output is correct
18 Correct 13 ms 51980 KB Output is correct
19 Correct 81 ms 309588 KB Output is correct
20 Correct 82 ms 144296 KB Output is correct
21 Correct 92 ms 189604 KB Output is correct
22 Correct 63 ms 141392 KB Output is correct
23 Correct 78 ms 87768 KB Output is correct
24 Correct 55 ms 109596 KB Output is correct
25 Correct 54 ms 83696 KB Output is correct
26 Correct 55 ms 83896 KB Output is correct
27 Correct 7 ms 49756 KB Output is correct
28 Correct 7 ms 49756 KB Output is correct
29 Correct 7 ms 49820 KB Output is correct
30 Correct 7 ms 49872 KB Output is correct
31 Correct 7 ms 49768 KB Output is correct
32 Correct 7 ms 53848 KB Output is correct
33 Correct 8 ms 52060 KB Output is correct
34 Correct 8 ms 50012 KB Output is correct
35 Correct 9 ms 52056 KB Output is correct
36 Correct 83 ms 311380 KB Output is correct
37 Correct 77 ms 189456 KB Output is correct
38 Correct 68 ms 144216 KB Output is correct
39 Correct 69 ms 144720 KB Output is correct
40 Correct 63 ms 143112 KB Output is correct
41 Correct 49 ms 83804 KB Output is correct
42 Correct 49 ms 84108 KB Output is correct
43 Correct 74 ms 189380 KB Output is correct
44 Correct 7 ms 49756 KB Output is correct
45 Correct 7 ms 49756 KB Output is correct
46 Correct 7 ms 49756 KB Output is correct
47 Correct 7 ms 49756 KB Output is correct
48 Correct 6 ms 49756 KB Output is correct
49 Correct 8 ms 54012 KB Output is correct
50 Correct 10 ms 52060 KB Output is correct
51 Correct 11 ms 50044 KB Output is correct
52 Correct 10 ms 52060 KB Output is correct
53 Correct 81 ms 311236 KB Output is correct
54 Correct 82 ms 144288 KB Output is correct
55 Correct 77 ms 144976 KB Output is correct
56 Correct 71 ms 143012 KB Output is correct
57 Correct 110 ms 125312 KB Output is correct
58 Correct 86 ms 311376 KB Output is correct
59 Correct 80 ms 189776 KB Output is correct