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Submission #932438

# Submission time Handle Problem Language Result Execution time Memory
932438 2024-02-23T11:21:00 Z MisterReaper Toll (BOI17_toll) C++17
100 / 100
 236 ms 100180 KB 
#include <bits/stdc++.h>
using i64 = long long;

constexpr int N = 5E4 + 5;
constexpr int L = 20;
constexpr int Inf = 1E9 + 5;

int ans[N][L][5][5];

void combine(int c[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++) {
                c[i][j] = std::min(c[i][j], a[i][k] + b[k][j]);
            }
        }
    }
}

void solve() {
    std::fill_n(&ans[0][0][0][0], N * L * 5 * 5, Inf);

    int k, n, m, o;
    std::cin >> k >> n >> m >> o;

    for(int i = 1; i <= m; i++) {
        int a, b, t;
        std::cin >> a >> b >> t;
        ans[a / k][0][a % k][b % k] = t;
    }

    for(int lg = 1; lg < L; lg++) {
        for(int i = 0; i + (1 << lg) < (n + k - 1) / k; i++) {
            combine(ans[i][lg], ans[i][lg - 1], ans[i + (1 << (lg - 1))][lg - 1]);
        }
    }

    while(o--) {
        int a, b;
        std::cin >> a >> b;

        int res[5][5], cur = a / k;
        std::fill_n(&res[0][0], 5 * 5, Inf);
        for(int i = 0; i < 5; i++) res[i][i] = 0;
        for(int lg = L - 1; lg >= 0; lg--) {
            if(cur + (1 << lg) <= b / k) {
                int tmp[5][5];
                std::fill_n(&tmp[0][0], 5 * 5, Inf);
                combine(tmp, res, ans[cur][lg]);
                for(int i = 0; i < 5; i++) {
                    for(int j = 0; j < 5; j++) {
                        res[i][j] = tmp[i][j];
                    }
                }

                cur += (1 << lg);
            }
        }

        std::cout << (res[a % k][b % k] == Inf ? -1 : res[a % k][b % k]) << "\n";
    }
    
    return;
}

signed main() {
    #ifdef LOCAL
        freopen("in.txt", "r", stdin);
        freopen("out.txt", "w", stdout);
    #endif

    std::ios_base::sync_with_stdio(false);
    std::cin.tie(NULL); std::cout.tie(NULL);

    int t = 1; //std::cin >> t;
    for(int i = 1; i <= t; i++) {
        solve();
    }

    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 231 ms 99160 KB Output is correct
2 Correct 27 ms 98132 KB Output is correct
3 Correct 26 ms 98136 KB Output is correct
4 Correct 27 ms 98140 KB Output is correct
5 Correct 29 ms 98132 KB Output is correct
6 Correct 29 ms 98264 KB Output is correct
7 Correct 30 ms 98140 KB Output is correct
8 Correct 230 ms 99060 KB Output is correct
9 Correct 236 ms 98896 KB Output is correct
10 Correct 217 ms 98384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 99316 KB Output is correct
2 Correct 28 ms 98128 KB Output is correct
3 Correct 28 ms 98140 KB Output is correct
4 Correct 28 ms 98128 KB Output is correct
5 Correct 27 ms 98132 KB Output is correct
6 Correct 28 ms 98140 KB Output is correct
7 Correct 38 ms 98384 KB Output is correct
8 Correct 38 ms 98420 KB Output is correct
9 Correct 214 ms 98896 KB Output is correct
10 Correct 91 ms 99604 KB Output is correct
11 Correct 112 ms 99316 KB Output is correct
12 Correct 80 ms 99156 KB Output is correct
13 Correct 68 ms 99668 KB Output is correct
14 Correct 61 ms 99316 KB Output is correct
15 Correct 54 ms 99020 KB Output is correct
16 Correct 52 ms 98896 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 98132 KB Output is correct
2 Correct 28 ms 98132 KB Output is correct
3 Correct 27 ms 98140 KB Output is correct
4 Correct 28 ms 98128 KB Output is correct
5 Correct 28 ms 98128 KB Output is correct
6 Correct 29 ms 98140 KB Output is correct
7 Correct 28 ms 98204 KB Output is correct
8 Correct 28 ms 98132 KB Output is correct
9 Correct 27 ms 98312 KB Output is correct
10 Correct 218 ms 99132 KB Output is correct
11 Correct 92 ms 99156 KB Output is correct
12 Correct 86 ms 99412 KB Output is correct
13 Correct 81 ms 99668 KB Output is correct
14 Correct 75 ms 99536 KB Output is correct
15 Correct 51 ms 99068 KB Output is correct
16 Correct 50 ms 98904 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 98132 KB Output is correct
2 Correct 28 ms 98132 KB Output is correct
3 Correct 27 ms 98140 KB Output is correct
4 Correct 28 ms 98128 KB Output is correct
5 Correct 28 ms 98128 KB Output is correct
6 Correct 29 ms 98140 KB Output is correct
7 Correct 28 ms 98204 KB Output is correct
8 Correct 28 ms 98132 KB Output is correct
9 Correct 27 ms 98312 KB Output is correct
10 Correct 218 ms 99132 KB Output is correct
11 Correct 92 ms 99156 KB Output is correct
12 Correct 86 ms 99412 KB Output is correct
13 Correct 81 ms 99668 KB Output is correct
14 Correct 75 ms 99536 KB Output is correct
15 Correct 51 ms 99068 KB Output is correct
16 Correct 50 ms 98904 KB Output is correct
17 Correct 99 ms 99316 KB Output is correct
18 Correct 27 ms 98128 KB Output is correct
19 Correct 28 ms 98132 KB Output is correct
20 Correct 30 ms 98140 KB Output is correct
21 Correct 27 ms 98076 KB Output is correct
22 Correct 27 ms 98136 KB Output is correct
23 Correct 31 ms 98100 KB Output is correct
24 Correct 31 ms 98304 KB Output is correct
25 Correct 30 ms 98316 KB Output is correct
26 Correct 30 ms 98196 KB Output is correct
27 Correct 228 ms 98984 KB Output is correct
28 Correct 87 ms 99596 KB Output is correct
29 Correct 87 ms 99692 KB Output is correct
30 Correct 80 ms 99596 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 231 ms 99160 KB Output is correct
2 Correct 27 ms 98132 KB Output is correct
3 Correct 26 ms 98136 KB Output is correct
4 Correct 27 ms 98140 KB Output is correct
5 Correct 29 ms 98132 KB Output is correct
6 Correct 29 ms 98264 KB Output is correct
7 Correct 30 ms 98140 KB Output is correct
8 Correct 230 ms 99060 KB Output is correct
9 Correct 236 ms 98896 KB Output is correct
10 Correct 217 ms 98384 KB Output is correct
11 Correct 107 ms 99316 KB Output is correct
12 Correct 28 ms 98128 KB Output is correct
13 Correct 28 ms 98140 KB Output is correct
14 Correct 28 ms 98128 KB Output is correct
15 Correct 27 ms 98132 KB Output is correct
16 Correct 28 ms 98140 KB Output is correct
17 Correct 38 ms 98384 KB Output is correct
18 Correct 38 ms 98420 KB Output is correct
19 Correct 214 ms 98896 KB Output is correct
20 Correct 91 ms 99604 KB Output is correct
21 Correct 112 ms 99316 KB Output is correct
22 Correct 80 ms 99156 KB Output is correct
23 Correct 68 ms 99668 KB Output is correct
24 Correct 61 ms 99316 KB Output is correct
25 Correct 54 ms 99020 KB Output is correct
26 Correct 52 ms 98896 KB Output is correct
27 Correct 27 ms 98132 KB Output is correct
28 Correct 28 ms 98132 KB Output is correct
29 Correct 27 ms 98140 KB Output is correct
30 Correct 28 ms 98128 KB Output is correct
31 Correct 28 ms 98128 KB Output is correct
32 Correct 29 ms 98140 KB Output is correct
33 Correct 28 ms 98204 KB Output is correct
34 Correct 28 ms 98132 KB Output is correct
35 Correct 27 ms 98312 KB Output is correct
36 Correct 218 ms 99132 KB Output is correct
37 Correct 92 ms 99156 KB Output is correct
38 Correct 86 ms 99412 KB Output is correct
39 Correct 81 ms 99668 KB Output is correct
40 Correct 75 ms 99536 KB Output is correct
41 Correct 51 ms 99068 KB Output is correct
42 Correct 50 ms 98904 KB Output is correct
43 Correct 99 ms 99316 KB Output is correct
44 Correct 27 ms 98128 KB Output is correct
45 Correct 28 ms 98132 KB Output is correct
46 Correct 30 ms 98140 KB Output is correct
47 Correct 27 ms 98076 KB Output is correct
48 Correct 27 ms 98136 KB Output is correct
49 Correct 31 ms 98100 KB Output is correct
50 Correct 31 ms 98304 KB Output is correct
51 Correct 30 ms 98316 KB Output is correct
52 Correct 30 ms 98196 KB Output is correct
53 Correct 228 ms 98984 KB Output is correct
54 Correct 87 ms 99596 KB Output is correct
55 Correct 87 ms 99692 KB Output is correct
56 Correct 80 ms 99596 KB Output is correct
57 Correct 98 ms 100180 KB Output is correct
58 Correct 230 ms 99064 KB Output is correct
59 Correct 117 ms 99324 KB Output is correct