oj.uz

Submission #994251

# Submission time Handle Problem Language Result Execution time Memory
994251 2024-06-07T09:54:33 Z vjudge1 Sightseeing in Kyoto (JOI22_kyoto) C++17
40 / 100
 428 ms 1048576 KB 
#include <algorithm>
#include <climits>
#include <iostream>
#include <vector>

using namespace std;

using ll = long long;

struct s {
    ll pos, value;

    bool operator <(s const& rhs) const {
        return pos < rhs.pos;
    }
};

ll solve(vector<s> const& a, vector<s> const& b) {
    vector dp(a.size(), vector<ll>(b.size(), LLONG_MAX / 3));
    dp[0][0] = 0;

    for (int i = 0; i < a.size(); i++) {
        for (int j = 0; j < b.size(); j++) {
            if (i < a.size() - 1)
                dp[i + 1][j] = min(dp[i + 1][j], dp[i][j] + b[j].value * (a[i + 1].pos - a[i].pos));
            
            if (j < b.size() - 1)
                dp[i][j + 1] = min(dp[i][j + 1], dp[i][j] + a[i].value * (b[j + 1].pos - b[j].pos));
        }
    }

    return dp.back().back();
}

vector<s> compress(vector<s> const& a) {
    vector<s> ret;

    ll first_smallest = 0;
    ll last_smallest = 0;
    for (int i = 0; i < a.size(); i++) {
        if (a[i].value < a[first_smallest].value)
            first_smallest = i;

        if (a[i].value <= a[last_smallest].value)
            last_smallest = i;
    }

    ret.push_back(a[0]);

    for (int i = 1; i < first_smallest; i++)
        if (a[i].value < ret.back().value)
            ret.push_back(a[i]);

    ret.push_back(a[first_smallest]);

    ret.push_back(a.back());

    for (int i = a.size() - 1; i > last_smallest; i--)
        if (a[i].value < ret.back().value)
            ret.push_back(a[i]);

    ret.push_back(a[last_smallest]);

    sort(ret.begin(), ret.end());

    return ret;
}

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

    ll h, w;
    cin >> h >> w;

    vector<s> a(h);
    for (int i = 0; i < h; i++) {
        a[i].pos = i;
        cin >> a[i].value;
    }

    vector<s> b(w);
    for (int i = 0; i < w; i++) {
        b[i].pos = i;
        cin >> b[i].value;
    }

    a = compress(a);
    b = compress(b);

    cout << solve(a, b) << "\n";
}

Compilation message

kyoto.cpp: In function 'll solve(const std::vector<s>&, const std::vector<s>&)':
kyoto.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<s>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for (int i = 0; i < a.size(); i++) {
      |                     ~~^~~~~~~~~~
kyoto.cpp:23:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<s>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         for (int j = 0; j < b.size(); j++) {
      |                         ~~^~~~~~~~~~
kyoto.cpp:24:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<s>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |             if (i < a.size() - 1)
      |                 ~~^~~~~~~~~~~~~~
kyoto.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<s>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |             if (j < b.size() - 1)
      |                 ~~^~~~~~~~~~~~~~
kyoto.cpp: In function 'std::vector<s> compress(const std::vector<s>&)':
kyoto.cpp:40:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<s>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |     for (int i = 0; i < a.size(); i++) {
      |                     ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 7 ms 8284 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 6 ms 8284 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 424 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 2 ms 2908 KB Output is correct
4 Correct 4 ms 1628 KB Output is correct
5 Correct 5 ms 2232 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 9 ms 3568 KB Output is correct
8 Correct 9 ms 3420 KB Output is correct
9 Correct 10 ms 3420 KB Output is correct
10 Correct 10 ms 3568 KB Output is correct
11 Correct 32 ms 31772 KB Output is correct
12 Correct 11 ms 3604 KB Output is correct
13 Correct 14 ms 3672 KB Output is correct
14 Correct 33 ms 31248 KB Output is correct
15 Correct 11 ms 3420 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 424 KB Output is correct
26 Correct 0 ms 344 KB Output is correct

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 7 ms 8284 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 6 ms 8284 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 424 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 2 ms 2908 KB Output is correct
32 Correct 4 ms 1628 KB Output is correct
33 Correct 5 ms 2232 KB Output is correct
34 Correct 2 ms 860 KB Output is correct
35 Correct 9 ms 3568 KB Output is correct
36 Correct 9 ms 3420 KB Output is correct
37 Correct 10 ms 3420 KB Output is correct
38 Correct 10 ms 3568 KB Output is correct
39 Correct 32 ms 31772 KB Output is correct
40 Correct 11 ms 3604 KB Output is correct
41 Correct 14 ms 3672 KB Output is correct
42 Correct 33 ms 31248 KB Output is correct
43 Correct 11 ms 3420 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 424 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 6 ms 1880 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 1 ms 604 KB Output is correct
58 Correct 2 ms 864 KB Output is correct
59 Correct 14 ms 3420 KB Output is correct
60 Correct 15 ms 3424 KB Output is correct
61 Correct 15 ms 3424 KB Output is correct
62 Correct 15 ms 3576 KB Output is correct
63 Runtime error 428 ms 1048576 KB Execution killed with signal 9
64 Halted 0 ms 0 KB -