oj.uz

Submission #703431

# Submission time Handle Problem Language Result Execution time Memory
703431 2023-02-27T10:48:35 Z piOOE Sightseeing in Kyoto (JOI22_kyoto) C++17
40 / 100
 373 ms 1048576 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int h, w;
    cin >> h >> w;

    vector<int> a(h), b(w);

    for (int i = 0; i < h; ++i) {
        cin >> a[i];
    }

    for (int j = 0; j < w; ++j) {
        cin >> b[j];
    }

    constexpr int inf = 1e9 + 7;

    vector<int> pref(h + 1, inf), suf(h + 1, inf);

    vector<int> rows, columns;

    for (int i = 0; i < h; ++i) {
        pref[i + 1] = min(pref[i], a[i]);
    }

    for (int i = h - 1; i >= 0; --i) {
        suf[i] = min(a[i], suf[i + 1]);
    }

    for (int i = 0; i < h; ++i) {
        if (pref[i] > a[i] || suf[i + 1] > a[i]) {
            rows.push_back(i);
        }
    }

    pref.assign(w + 1, inf), suf.assign(w + 1, inf);

    for (int i = 0; i < w; ++i) {
        pref[i + 1] = min(pref[i], b[i]);
    }

    for (int i = w - 1; i >= 0; --i) {
        suf[i] = min(b[i], suf[i + 1]);
    }

    for (int i = 0; i < w; ++i) {
        if (pref[i] > b[i] || suf[i + 1] > b[i]) {
            columns.push_back(i);
        }
    }

    int n = rows.size(), m = columns.size();

    vector dp(n, vector<ll>(m));

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < m; ++j) {
            if (i == 0 && j == 0) {
                continue;
            }

            dp[i][j] = 1e18;

            if (i > 0) {
                dp[i][j] = dp[i - 1][j] + 1LL * b[columns[j]] * (rows[i] - rows[i - 1]);
            }

            if (j > 0) {
                dp[i][j] = min(dp[i][j], dp[i][j - 1] + 1LL * a[rows[i]] * (columns[j] - columns[j - 1]));
            }
        }
    }

    cout << dp[n - 1][m - 1] << '\n';

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 8 ms 8148 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 9 ms 8148 KB Output is correct
17 Correct 1 ms 328 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 320 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 320 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 3 ms 2772 KB Output is correct
4 Correct 6 ms 1748 KB Output is correct
5 Correct 10 ms 3412 KB Output is correct
6 Correct 3 ms 852 KB Output is correct
7 Correct 17 ms 2656 KB Output is correct
8 Correct 14 ms 2644 KB Output is correct
9 Correct 20 ms 3664 KB Output is correct
10 Correct 21 ms 3504 KB Output is correct
11 Correct 46 ms 34004 KB Output is correct
12 Correct 15 ms 3920 KB Output is correct
13 Correct 15 ms 3920 KB Output is correct
14 Correct 44 ms 33600 KB Output is correct
15 Correct 15 ms 2764 KB Output is correct
16 Correct 1 ms 320 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 320 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 0 ms 212 KB Output is correct

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 8 ms 8148 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 9 ms 8148 KB Output is correct
17 Correct 1 ms 328 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 320 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 320 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 3 ms 2772 KB Output is correct
32 Correct 6 ms 1748 KB Output is correct
33 Correct 10 ms 3412 KB Output is correct
34 Correct 3 ms 852 KB Output is correct
35 Correct 17 ms 2656 KB Output is correct
36 Correct 14 ms 2644 KB Output is correct
37 Correct 20 ms 3664 KB Output is correct
38 Correct 21 ms 3504 KB Output is correct
39 Correct 46 ms 34004 KB Output is correct
40 Correct 15 ms 3920 KB Output is correct
41 Correct 15 ms 3920 KB Output is correct
42 Correct 44 ms 33600 KB Output is correct
43 Correct 15 ms 2764 KB Output is correct
44 Correct 1 ms 320 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 328 KB Output is correct
47 Correct 1 ms 320 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 320 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 328 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 10 ms 2124 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 2 ms 448 KB Output is correct
58 Correct 3 ms 980 KB Output is correct
59 Correct 21 ms 3820 KB Output is correct
60 Correct 22 ms 3788 KB Output is correct
61 Correct 24 ms 5192 KB Output is correct
62 Correct 26 ms 5236 KB Output is correct
63 Runtime error 373 ms 1048576 KB Execution killed with signal 9
64 Halted 0 ms 0 KB -