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답안 #697195

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
697195 2023-02-08T19:15:32 Z _martynas Toll (BOI17_toll) C++11
100 / 100
 116 ms 17796 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-a%k >= 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-a%k >= 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

# 결과 실행 시간 메모리 Grader output
1 Correct 80 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 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 2 ms 648 KB Output is correct
8 Correct 85 ms 15956 KB Output is correct
9 Correct 76 ms 15996 KB Output is correct
10 Correct 59 ms 15960 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 73 ms 15964 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 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 0 ms 212 KB Output is correct
7 Correct 7 ms 596 KB Output is correct
8 Correct 7 ms 596 KB Output is correct
9 Correct 64 ms 15980 KB Output is correct
10 Correct 78 ms 15988 KB Output is correct
11 Correct 73 ms 15972 KB Output is correct
12 Correct 69 ms 15968 KB Output is correct
13 Correct 65 ms 9700 KB Output is correct
14 Correct 57 ms 9700 KB Output is correct
15 Correct 36 ms 9684 KB Output is correct
16 Correct 37 ms 9684 KB Output is correct

Subtask #3
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 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 596 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 68 ms 15972 KB Output is correct
11 Correct 63 ms 15956 KB Output is correct
12 Correct 68 ms 15964 KB Output is correct
13 Correct 73 ms 16052 KB Output is correct
14 Correct 64 ms 15956 KB Output is correct
15 Correct 36 ms 9704 KB Output is correct
16 Correct 35 ms 9644 KB Output is correct

Subtask #4
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 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 596 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 68 ms 15972 KB Output is correct
11 Correct 63 ms 15956 KB Output is correct
12 Correct 68 ms 15964 KB Output is correct
13 Correct 73 ms 16052 KB Output is correct
14 Correct 64 ms 15956 KB Output is correct
15 Correct 36 ms 9704 KB Output is correct
16 Correct 35 ms 9644 KB Output is correct
17 Correct 69 ms 15964 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 3 ms 596 KB Output is correct
24 Correct 3 ms 724 KB Output is correct
25 Correct 4 ms 724 KB Output is correct
26 Correct 3 ms 724 KB Output is correct
27 Correct 61 ms 16724 KB Output is correct
28 Correct 84 ms 17700 KB Output is correct
29 Correct 87 ms 17616 KB Output is correct
30 Correct 70 ms 17628 KB Output is correct

Subtask #5
44.0 / 44.0

# 결과 실행 시간 메모리 Grader output
1 Correct 80 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 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 2 ms 648 KB Output is correct
8 Correct 85 ms 15956 KB Output is correct
9 Correct 76 ms 15996 KB Output is correct
10 Correct 59 ms 15960 KB Output is correct
11 Correct 73 ms 15964 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 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 0 ms 212 KB Output is correct
17 Correct 7 ms 596 KB Output is correct
18 Correct 7 ms 596 KB Output is correct
19 Correct 64 ms 15980 KB Output is correct
20 Correct 78 ms 15988 KB Output is correct
21 Correct 73 ms 15972 KB Output is correct
22 Correct 69 ms 15968 KB Output is correct
23 Correct 65 ms 9700 KB Output is correct
24 Correct 57 ms 9700 KB Output is correct
25 Correct 36 ms 9684 KB Output is correct
26 Correct 37 ms 9684 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 596 KB Output is correct
33 Correct 1 ms 596 KB Output is correct
34 Correct 2 ms 596 KB Output is correct
35 Correct 1 ms 596 KB Output is correct
36 Correct 68 ms 15972 KB Output is correct
37 Correct 63 ms 15956 KB Output is correct
38 Correct 68 ms 15964 KB Output is correct
39 Correct 73 ms 16052 KB Output is correct
40 Correct 64 ms 15956 KB Output is correct
41 Correct 36 ms 9704 KB Output is correct
42 Correct 35 ms 9644 KB Output is correct
43 Correct 69 ms 15964 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 3 ms 596 KB Output is correct
50 Correct 3 ms 724 KB Output is correct
51 Correct 4 ms 724 KB Output is correct
52 Correct 3 ms 724 KB Output is correct
53 Correct 61 ms 16724 KB Output is correct
54 Correct 84 ms 17700 KB Output is correct
55 Correct 87 ms 17616 KB Output is correct
56 Correct 70 ms 17628 KB Output is correct
57 Correct 116 ms 17796 KB Output is correct
58 Correct 83 ms 16972 KB Output is correct
59 Correct 85 ms 17680 KB Output is correct