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Submission #1040220

# Submission time Handle Problem Language Result Execution time Memory
1040220 2024-07-31T18:52:59 Z turska Toll (BOI17_toll) C++17
100 / 100
 44 ms 20316 KB 
#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T>
using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;


using ll = long long;

using pii = pair<int, int>;
using pll = pair<ll, ll>;

const ll M = 998244353;
// const ll M = 1e9 + 7;

#define all(v) (v).begin(), (v).end()
#define ff first
#define ss second

const ll INFL = 1e18;
const int INF = 1e9;

int lift[17][50000][5];
void solve() {
    int K, N, M, O;
    cin >> K >> N >> M >> O;


    for (int i=0; i<17; i++) {
        for (int j=0; j<N; j++) {
            for (int k=0; k<K; k++) {
                lift[i][j][k] = 1e9;
            }
        }
    }

    for (int i=0; i<M; i++) {
        int a, b, t;
        cin >> a >> b >> t;
        lift[0][a][b%K] = t;
    }

    for (int sz=1; sz<17; sz++) {
        for (int a=0; a<N; a++) {
            for (int to=0; to<K; to++) {
                for (int m=0; m<K; m++) {
                    int b = (a-(a%K))+(1<<(sz-1))*K+m;
                    if (b>=N) break;
                    lift[sz][a][to] = min(lift[sz][a][to], lift[sz-1][a][m]+lift[sz-1][b][to]);
                }
            }
        }
    }

    while (O--) {
        int a, b;
        cin >> a >> b;
        int d = ((b-(b%K))-(a-(a%K)))/K;
        if (d==0) {
            cout << "-1\n";
            continue;
        }
        int mn[5];
        int nxt[5];
        d--;
        for (int i=0; i<K; i++) mn[i] = lift[0][a][i];
        int cur = a-(a%K)+K;

        for (int i=0; i<17; i++) {
            if (!(d>>i&1)) continue;
            for (int j=0; j<K; j++) nxt[j] = 1e9;
            for (int j=0; j<K; j++) {
                for (int k=0; k<K; k++) {
                    nxt[k] = min(nxt[k], mn[j]+lift[i][cur+j][k]);
                }
            }
            cur += (1<<i)*K;
            d -= 1<<i;
            for (int j=0; j<K; j++) {
                mn[j] = nxt[j];
            }
        }
        assert(d==0);
        assert(cur==b-(b%K));

        int ans = mn[b%K];
        if (ans != 1e9) cout << ans << '\n';
        else cout << "-1\n";
    }
    



    
    
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(NULL);


    int tc = 1;
    // cin >> tc;
    while (tc--) solve();

}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 18000 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 14 ms 17948 KB Output is correct
9 Correct 14 ms 17972 KB Output is correct
10 Correct 8 ms 17208 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 18744 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 2 ms 860 KB Output is correct
8 Correct 2 ms 856 KB Output is correct
9 Correct 18 ms 17756 KB Output is correct
10 Correct 33 ms 19284 KB Output is correct
11 Correct 25 ms 18732 KB Output is correct
12 Correct 26 ms 18224 KB Output is correct
13 Correct 34 ms 15192 KB Output is correct
14 Correct 19 ms 14172 KB Output is correct
15 Correct 25 ms 13916 KB Output is correct
16 Correct 24 ms 13912 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 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 1 ms 6492 KB Output is correct
6 Correct 1 ms 856 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 2 ms 6748 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 13 ms 17752 KB Output is correct
11 Correct 21 ms 18524 KB Output is correct
12 Correct 29 ms 19124 KB Output is correct
13 Correct 31 ms 19292 KB Output is correct
14 Correct 26 ms 18776 KB Output is correct
15 Correct 23 ms 13912 KB Output is correct
16 Correct 24 ms 13916 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 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 1 ms 6492 KB Output is correct
6 Correct 1 ms 856 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 2 ms 6748 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 13 ms 17752 KB Output is correct
11 Correct 21 ms 18524 KB Output is correct
12 Correct 29 ms 19124 KB Output is correct
13 Correct 31 ms 19292 KB Output is correct
14 Correct 26 ms 18776 KB Output is correct
15 Correct 23 ms 13912 KB Output is correct
16 Correct 24 ms 13916 KB Output is correct
17 Correct 22 ms 18520 KB Output is correct
18 Correct 1 ms 6584 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 736 KB Output is correct
24 Correct 1 ms 860 KB Output is correct
25 Correct 2 ms 856 KB Output is correct
26 Correct 2 ms 6748 KB Output is correct
27 Correct 12 ms 17756 KB Output is correct
28 Correct 31 ms 19256 KB Output is correct
29 Correct 31 ms 19384 KB Output is correct
30 Correct 28 ms 18932 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 18000 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 14 ms 17948 KB Output is correct
9 Correct 14 ms 17972 KB Output is correct
10 Correct 8 ms 17208 KB Output is correct
11 Correct 23 ms 18744 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 860 KB Output is correct
18 Correct 2 ms 856 KB Output is correct
19 Correct 18 ms 17756 KB Output is correct
20 Correct 33 ms 19284 KB Output is correct
21 Correct 25 ms 18732 KB Output is correct
22 Correct 26 ms 18224 KB Output is correct
23 Correct 34 ms 15192 KB Output is correct
24 Correct 19 ms 14172 KB Output is correct
25 Correct 25 ms 13916 KB Output is correct
26 Correct 24 ms 13912 KB Output is correct
27 Correct 1 ms 6488 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 856 KB Output is correct
33 Correct 1 ms 860 KB Output is correct
34 Correct 2 ms 6748 KB Output is correct
35 Correct 1 ms 6748 KB Output is correct
36 Correct 13 ms 17752 KB Output is correct
37 Correct 21 ms 18524 KB Output is correct
38 Correct 29 ms 19124 KB Output is correct
39 Correct 31 ms 19292 KB Output is correct
40 Correct 26 ms 18776 KB Output is correct
41 Correct 23 ms 13912 KB Output is correct
42 Correct 24 ms 13916 KB Output is correct
43 Correct 22 ms 18520 KB Output is correct
44 Correct 1 ms 6584 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 736 KB Output is correct
50 Correct 1 ms 860 KB Output is correct
51 Correct 2 ms 856 KB Output is correct
52 Correct 2 ms 6748 KB Output is correct
53 Correct 12 ms 17756 KB Output is correct
54 Correct 31 ms 19256 KB Output is correct
55 Correct 31 ms 19384 KB Output is correct
56 Correct 28 ms 18932 KB Output is correct
57 Correct 44 ms 20316 KB Output is correct
58 Correct 17 ms 18016 KB Output is correct
59 Correct 23 ms 18744 KB Output is correct