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Submission #697194

# Submission time Handle Problem Language Result Execution time Memory
697194 2023-02-08T18:57:18 Z _martynas Toll (BOI17_toll) C++11
25 / 100
 95 ms 17784 KB 
#include <bits/stdc++.h>

using namespace std;

using vi = vector<int>;

struct Edge {
    int v, w;
};

const int MXN = 5e4+5;
const int INF = 1e9;

int k, n, m, o;
// [a][b][c] = from a move 2^b blocks ahead to position = c (mod k)
int jump[MXN][16][5];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin >> k >> n >> m >> o;
    for(int a = 0; a < n; a++)
    for(int b = 0; b < 16; b++)
    for(int c = 0; c < 5; c++)
        jump[a][b][c] = INF;
    for(int i = 0; i < m; i++) {
        int u, v, w; cin >> u >> v >> w;
        jump[u][0][v%k] = w;
    }

    for(int p = 1; p < 16; p++) {
        int blocks = 1 << p;
        for(int a = 0; a < n; a++) {
            if(a+k*blocks >= n) continue;
            for(int b = 0; b < 5; b++)
                for(int c = 0; c < 5; c++)
                    jump[a][p][c] = min(jump[a][p][c], jump[a][p-1][b]+jump[a+k*(blocks/2)-a%k+b][p-1][c]);
        }
    }

    for(int _ = 0; _ < o; _++) {
        int a, b; cin >> a >> b;
        vi dist(5, INF);
        dist[a%k] = 0;
        for(int p = 15; p >= 0; p--) {
            int blocks = 1 << p;
            if(a+k*blocks >= n) continue;
            while(a+k*blocks-a%k <= b) {
                vi ndist(5, INF);
                for(int i = 0; i < 5; i++) {
                    for(int j = 0; j < 5; j++) {
                        ndist[j] = min(ndist[j], dist[i]+jump[a-a%k+i][p][j]);
                    }
                }
                a = a+k*blocks;
                dist = ndist;
            }
        }
        int d = dist[b%k];
        if(d == INF) cout << "-1\n";
        else cout << d << "\n";
    }
    return 0;
}
/*

*/

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 15956 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 2 ms 660 KB Output is correct
6 Correct 2 ms 656 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 71 ms 16848 KB Output is correct
9 Correct 83 ms 16848 KB Output is correct
10 Correct 66 ms 16008 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 15960 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 7 ms 724 KB Output is correct
8 Correct 7 ms 740 KB Output is correct
9 Correct 67 ms 16844 KB Output is correct
10 Correct 81 ms 17784 KB Output is correct
11 Correct 81 ms 17736 KB Output is correct
12 Correct 69 ms 17240 KB Output is correct
13 Correct 61 ms 11476 KB Output is correct
14 Correct 43 ms 11144 KB Output is correct
15 Correct 38 ms 10828 KB Output is correct
16 Correct 53 ms 10908 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 58 ms 16724 KB Output is correct
11 Correct 71 ms 17480 KB Output is correct
12 Correct 95 ms 17744 KB Output is correct
13 Correct 91 ms 17632 KB Output is correct
14 Correct 68 ms 17720 KB Output is correct
15 Correct 38 ms 10860 KB Output is correct
16 Correct 36 ms 10888 KB Output is correct

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 58 ms 16724 KB Output is correct
11 Correct 71 ms 17480 KB Output is correct
12 Correct 95 ms 17744 KB Output is correct
13 Correct 91 ms 17632 KB Output is correct
14 Correct 68 ms 17720 KB Output is correct
15 Correct 38 ms 10860 KB Output is correct
16 Correct 36 ms 10888 KB Output is correct
17 Correct 91 ms 17520 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 328 KB Output is correct
21 Incorrect 1 ms 212 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 15956 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 2 ms 660 KB Output is correct
6 Correct 2 ms 656 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 71 ms 16848 KB Output is correct
9 Correct 83 ms 16848 KB Output is correct
10 Correct 66 ms 16008 KB Output is correct
11 Correct 75 ms 15960 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 7 ms 724 KB Output is correct
18 Correct 7 ms 740 KB Output is correct
19 Correct 67 ms 16844 KB Output is correct
20 Correct 81 ms 17784 KB Output is correct
21 Correct 81 ms 17736 KB Output is correct
22 Correct 69 ms 17240 KB Output is correct
23 Correct 61 ms 11476 KB Output is correct
24 Correct 43 ms 11144 KB Output is correct
25 Correct 38 ms 10828 KB Output is correct
26 Correct 53 ms 10908 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 324 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 596 KB Output is correct
34 Correct 2 ms 596 KB Output is correct
35 Correct 2 ms 596 KB Output is correct
36 Correct 58 ms 16724 KB Output is correct
37 Correct 71 ms 17480 KB Output is correct
38 Correct 95 ms 17744 KB Output is correct
39 Correct 91 ms 17632 KB Output is correct
40 Correct 68 ms 17720 KB Output is correct
41 Correct 38 ms 10860 KB Output is correct
42 Correct 36 ms 10888 KB Output is correct
43 Correct 91 ms 17520 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 328 KB Output is correct
47 Incorrect 1 ms 212 KB Output isn't correct
48 Halted 0 ms 0 KB -