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Submission #392209

# Submission time Handle Problem Language Result Execution time Memory
392209 2021-04-20T16:02:38 Z JerryLiu06 Toll (BOI17_toll) C++11
100 / 100
 323 ms 101476 KB 
#include <bits/stdc++.h>

using namespace std;

typedef pair<int, int> pii;

#define pb push_back

#define f first
#define s second

int K, N, M, O; int DP[50010][20][5][5], CUR[5][5];

void comb(int res[5][5], int A[5][5], int B[5][5]) {
    for (int i = 0; i < 5; i++) for (int j = 0; j < 5; j++) {
        for (int k = 0; k < 5; k++) res[i][j] = min(res[i][j], A[i][k] + B[k][j]);
    }
}

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

    cin >> K >> N >> M >> O; memset(DP, 0x3f, sizeof DP);

    for (int i = 0; i < M; i++) { 
        int A, B, T; cin >> A >> B >> T; DP[A / K][0][A % K][B % K] = T;
    }
    for (int j = 1; j < 20; j++) for (int i = 0; i + (1 << (j - 1)) <= N / K; i++) {
        comb(DP[i][j], DP[i][j - 1], DP[i + (1 << (j - 1))][j - 1]);
    }
    for (int i = 0; i < O; i++) {
        int A, B; cin >> A >> B; memset(CUR, 0x3f, sizeof CUR);

        for (int j = 0; j < K; j++) CUR[j][j] = 0; 
        
        int LEN = B / K - A / K; int ST = A / K;

        for (int i = 20; i >= 0; i--) if (LEN & (1 << i)) {
            int TMP[5][5]; memset(TMP, 0x3f, sizeof TMP);

            comb(TMP, CUR, DP[ST][i]); memcpy(CUR, TMP, sizeof CUR); ST += (1 << i);
        }
        cout << (CUR[A % K][B % K] == 0x3f3f3f3f ? -1 : CUR[A % K][B % K]) << "\n";
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 305 ms 99268 KB Output is correct
2 Correct 50 ms 98052 KB Output is correct
3 Correct 50 ms 98116 KB Output is correct
4 Correct 49 ms 98112 KB Output is correct
5 Correct 53 ms 98100 KB Output is correct
6 Correct 54 ms 98128 KB Output is correct
7 Correct 53 ms 98180 KB Output is correct
8 Correct 323 ms 99012 KB Output is correct
9 Correct 300 ms 99012 KB Output is correct
10 Correct 280 ms 98256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 201 ms 99800 KB Output is correct
2 Correct 50 ms 98192 KB Output is correct
3 Correct 49 ms 98056 KB Output is correct
4 Correct 50 ms 98116 KB Output is correct
5 Correct 51 ms 98156 KB Output is correct
6 Correct 54 ms 98116 KB Output is correct
7 Correct 63 ms 98200 KB Output is correct
8 Correct 68 ms 98376 KB Output is correct
9 Correct 292 ms 99012 KB Output is correct
10 Correct 182 ms 100420 KB Output is correct
11 Correct 200 ms 99980 KB Output is correct
12 Correct 156 ms 99428 KB Output is correct
13 Correct 116 ms 100548 KB Output is correct
14 Correct 114 ms 99608 KB Output is correct
15 Correct 92 ms 99476 KB Output is correct
16 Correct 91 ms 99396 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 98080 KB Output is correct
2 Correct 57 ms 98140 KB Output is correct
3 Correct 50 ms 98116 KB Output is correct
4 Correct 50 ms 98124 KB Output is correct
5 Correct 50 ms 98080 KB Output is correct
6 Correct 51 ms 98120 KB Output is correct
7 Correct 50 ms 98116 KB Output is correct
8 Correct 51 ms 98152 KB Output is correct
9 Correct 51 ms 98172 KB Output is correct
10 Correct 279 ms 99020 KB Output is correct
11 Correct 185 ms 99748 KB Output is correct
12 Correct 150 ms 100224 KB Output is correct
13 Correct 167 ms 100576 KB Output is correct
14 Correct 153 ms 100028 KB Output is correct
15 Correct 87 ms 99320 KB Output is correct
16 Correct 86 ms 99228 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 98080 KB Output is correct
2 Correct 57 ms 98140 KB Output is correct
3 Correct 50 ms 98116 KB Output is correct
4 Correct 50 ms 98124 KB Output is correct
5 Correct 50 ms 98080 KB Output is correct
6 Correct 51 ms 98120 KB Output is correct
7 Correct 50 ms 98116 KB Output is correct
8 Correct 51 ms 98152 KB Output is correct
9 Correct 51 ms 98172 KB Output is correct
10 Correct 279 ms 99020 KB Output is correct
11 Correct 185 ms 99748 KB Output is correct
12 Correct 150 ms 100224 KB Output is correct
13 Correct 167 ms 100576 KB Output is correct
14 Correct 153 ms 100028 KB Output is correct
15 Correct 87 ms 99320 KB Output is correct
16 Correct 86 ms 99228 KB Output is correct
17 Correct 189 ms 99804 KB Output is correct
18 Correct 50 ms 98112 KB Output is correct
19 Correct 50 ms 98128 KB Output is correct
20 Correct 50 ms 98088 KB Output is correct
21 Correct 50 ms 98116 KB Output is correct
22 Correct 50 ms 98048 KB Output is correct
23 Correct 56 ms 98120 KB Output is correct
24 Correct 55 ms 98228 KB Output is correct
25 Correct 63 ms 98196 KB Output is correct
26 Correct 55 ms 98280 KB Output is correct
27 Correct 287 ms 99004 KB Output is correct
28 Correct 166 ms 100404 KB Output is correct
29 Correct 172 ms 100548 KB Output is correct
30 Correct 171 ms 100008 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 305 ms 99268 KB Output is correct
2 Correct 50 ms 98052 KB Output is correct
3 Correct 50 ms 98116 KB Output is correct
4 Correct 49 ms 98112 KB Output is correct
5 Correct 53 ms 98100 KB Output is correct
6 Correct 54 ms 98128 KB Output is correct
7 Correct 53 ms 98180 KB Output is correct
8 Correct 323 ms 99012 KB Output is correct
9 Correct 300 ms 99012 KB Output is correct
10 Correct 280 ms 98256 KB Output is correct
11 Correct 201 ms 99800 KB Output is correct
12 Correct 50 ms 98192 KB Output is correct
13 Correct 49 ms 98056 KB Output is correct
14 Correct 50 ms 98116 KB Output is correct
15 Correct 51 ms 98156 KB Output is correct
16 Correct 54 ms 98116 KB Output is correct
17 Correct 63 ms 98200 KB Output is correct
18 Correct 68 ms 98376 KB Output is correct
19 Correct 292 ms 99012 KB Output is correct
20 Correct 182 ms 100420 KB Output is correct
21 Correct 200 ms 99980 KB Output is correct
22 Correct 156 ms 99428 KB Output is correct
23 Correct 116 ms 100548 KB Output is correct
24 Correct 114 ms 99608 KB Output is correct
25 Correct 92 ms 99476 KB Output is correct
26 Correct 91 ms 99396 KB Output is correct
27 Correct 51 ms 98080 KB Output is correct
28 Correct 57 ms 98140 KB Output is correct
29 Correct 50 ms 98116 KB Output is correct
30 Correct 50 ms 98124 KB Output is correct
31 Correct 50 ms 98080 KB Output is correct
32 Correct 51 ms 98120 KB Output is correct
33 Correct 50 ms 98116 KB Output is correct
34 Correct 51 ms 98152 KB Output is correct
35 Correct 51 ms 98172 KB Output is correct
36 Correct 279 ms 99020 KB Output is correct
37 Correct 185 ms 99748 KB Output is correct
38 Correct 150 ms 100224 KB Output is correct
39 Correct 167 ms 100576 KB Output is correct
40 Correct 153 ms 100028 KB Output is correct
41 Correct 87 ms 99320 KB Output is correct
42 Correct 86 ms 99228 KB Output is correct
43 Correct 189 ms 99804 KB Output is correct
44 Correct 50 ms 98112 KB Output is correct
45 Correct 50 ms 98128 KB Output is correct
46 Correct 50 ms 98088 KB Output is correct
47 Correct 50 ms 98116 KB Output is correct
48 Correct 50 ms 98048 KB Output is correct
49 Correct 56 ms 98120 KB Output is correct
50 Correct 55 ms 98228 KB Output is correct
51 Correct 63 ms 98196 KB Output is correct
52 Correct 55 ms 98280 KB Output is correct
53 Correct 287 ms 99004 KB Output is correct
54 Correct 166 ms 100404 KB Output is correct
55 Correct 172 ms 100548 KB Output is correct
56 Correct 171 ms 100008 KB Output is correct
57 Correct 188 ms 101476 KB Output is correct
58 Correct 300 ms 99032 KB Output is correct
59 Correct 208 ms 99908 KB Output is correct