oj.uz

답안 #870698

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
870698 2023-11-08T22:26:59 Z EJIC_B_KEDAX Sightseeing in Kyoto (JOI22_kyoto) C++17
40 / 100
 741 ms 1048576 KB 
#ifdef LOCAL
    #define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>

#ifndef LOCAL
    // #pragma GCC optimize("O3")
    // #pragma GCC optimize("Ofast")
    // #pragma GCC optimize("unroll-loops")
    // #pragma GCC target("avx,avx2,bmi,bmi2,popcnt,lzcnt")
#endif
using namespace std;
using ll = long long;
using ld = long double;
#define x first
#define y second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()



mt19937_64 mt(time(0));

void solve();
void init();

int32_t main() {
#ifndef LOCAL
    cin.tie(nullptr)->sync_with_stdio(false);
#else
    freopen("input.txt", "r", stdin);
#endif
    init();
    int t = 1;
    // cin >> t;
    while (t--) {
        solve();
    }
}

void init() {}

#define int ll

void solve() {
    int h, w;
    cin >> h >> w;
    vector<pair<ll, ll>> a1(h), b1(w), a, b, af, bf, as, bs;
    for (int i = 0; i < h; i++) {
        cin >> a1[i].x;
        a1[i].y = 1;
    }
    for (int i = 0; i < w; i++) {
        cin >> b1[i].x;
        b1[i].y = 1;
    }
    for (int i = 0; i < h; i++) {
        while (a.size() >= 2) {
            auto ff = a.back();
            a.pop_back();
            if (!(a1[i].x <= ff.x && a.back().x <= ff.x)) {
                a.push_back(ff);
                break;
            } else {
                a.back().y += ff.y;
            }
        }
        a.push_back(a1[i]);
    }
    for (int i = 0; i < w; i++) {
        while (b.size() >= 2) {
            auto ff = b.back();
            b.pop_back();
            if (!(b1[i].x <= ff.x && b.back().x <= ff.x)) {
                b.push_back(ff);
                break;
            } else {
                b.back().y += ff.y;
            }
        }
        b.push_back(b1[i]);
    }
    ll ans = 0;
    h = a.size();
    w = b.size();
    af.push_back(a[0]);
    bf.push_back(b[0]);
    for (int i = 1; i < h; i++) {
        if (a[i] > a[i - 1]) {
            as.push_back(a[i]);
        } else {
            af.push_back(a[i]);
        }
    }
    for (int i = 1; i < w; i++) {
        if (b[i] > b[i - 1]) {
            bs.push_back(b[i]);
        } else {
            bf.push_back(b[i]);
        }
    }
    // as.insert(as.begin(), af.back());
    // bs.insert(bs.begin(), bf.back());
    reverse(all(as));
    reverse(all(bs));
    as.push_back(af.back());
    bs.push_back(bf.back());
    for (int i = 0; i < as.size(); i++) {
        as[i].y = as[(i + 1) % as.size()].y;
    }
    for (int i = 0; i < bs.size(); i++) {
        bs[i].y = bs[(i + 1) % bs.size()].y;
    }
    // for (auto i : a) {
    //     cout << i.x << ' ';
    // }
    // cout << '\n';
    // for (auto i : b) {
    //     cout << i.x << ' ';
    // }
    // cout << '\n';
    // for (auto i : af) {
    //     cout << i.x << ' ';
    // }
    // cout << '\n';
    // for (auto i : bf) {
    //     cout << i.x << ' ';
    // }
    // cout << '\n';
    // for (auto i : as) {
    //     cout << i.x << ' ';
    // }
    // cout << '\n';
    // for (auto i : bs) {
    //     cout << i.x << ' ';
    // }
    // cout << '\n';
    // a = af;
    a.clear();
    for (int i = 0; i < af.size(); i++) {
        while (a.size() >= 2) {
            auto ff = a.back();
            a.pop_back();
            if (ff.x - af[i].x <= a.back().x - ff.x || ff.y > a.back().y) {
                a.push_back(ff);
                break;
            } else {
                a.back().y += ff.y;
            }
        }
        a.push_back(af[i]);
    }
    // b = bf;
    b.clear();
    for (int i = 0; i < bf.size(); i++) {
        while (b.size() >= 2) {
            auto ff = b.back();
            b.pop_back();
            if (ff.x - bf[i].x <= b.back().x - ff.x || ff.y > b.back().y) {
                b.push_back(ff);
                break;
            } else {
                b.back().y += ff.y;
            }
        }
        b.push_back(bf[i]);
    }
    h = a.size();
    w = b.size();
    vector<vector<ll>> dp(h + 1, vector<ll>(w + 1, INT64_MAX));
    dp[0][0] = 0;
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            dp[i + 1][j] = min(dp[i + 1][j], dp[i][j] + b[j].x * a[i].y);
            dp[i][j + 1] = min(dp[i][j + 1], dp[i][j] + a[i].x * b[j].y);
        }
    }
    ans += dp[h - 1][w - 1];
    // cout << dp[h - 1][w - 1] << '\n';
    a.clear();
    for (int i = 0; i < as.size(); i++) {
        while (a.size() >= 2) {
            auto ff = a.back();
            a.pop_back();
            if (ff.x - as[i].x <= a.back().x - ff.x || ff.y > a.back().y) {
                a.push_back(ff);
                break;
            } else {
                a.back().y += ff.y;
            }
        }
        a.push_back(as[i]);
    }
    // b = bf;
    b.clear();
    for (int i = 0; i < bs.size(); i++) {
        while (b.size() >= 2) {
            auto ff = b.back();
            b.pop_back();
            if (ff.x - bs[i].x <= b.back().x - ff.x || ff.y > b.back().y) {
                b.push_back(ff);
                break;
            } else {
                b.back().y += ff.y;
            }
        }
        b.push_back(bs[i]);
    }
    h = a.size();
    w = b.size();
    dp.resize(h + 1);
    for (int i = 0; i < h + 1; i++) {
        dp[i].resize(w + 1);
        for (int j = 0; j < w + 1; j++) {
            dp[i][j] = INT64_MAX;
        }
    }
    dp[0][0] = 0;
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            dp[i + 1][j] = min(dp[i + 1][j], dp[i][j] + b[j].x * a[i].y);
            dp[i][j + 1] = min(dp[i][j + 1], dp[i][j] + a[i].x * b[j].y);
        }
    }
    ans += dp[h - 1][w - 1];
    // cout << dp[h - 1][w - 1] << '\n';
    cout << ans << '\n';
}

Compilation message

kyoto.cpp: In function 'void solve()':
kyoto.cpp:108:23: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  108 |     for (int i = 0; i < as.size(); i++) {
      |                     ~~^~~~~~~~~~~
kyoto.cpp:111:23: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  111 |     for (int i = 0; i < bs.size(); i++) {
      |                     ~~^~~~~~~~~~~
kyoto.cpp:140:23: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  140 |     for (int i = 0; i < af.size(); i++) {
      |                     ~~^~~~~~~~~~~
kyoto.cpp:155:23: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  155 |     for (int i = 0; i < bf.size(); i++) {
      |                     ~~^~~~~~~~~~~
kyoto.cpp:181:23: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  181 |     for (int i = 0; i < as.size(); i++) {
      |                     ~~^~~~~~~~~~~
kyoto.cpp:196:23: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  196 |     for (int i = 0; i < bs.size(); i++) {
      |                     ~~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 756 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 460 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 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 3 ms 3164 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 2 ms 2140 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 456 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 360 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 6 ms 2140 KB Output is correct
5 Correct 6 ms 2652 KB Output is correct
6 Correct 2 ms 980 KB Output is correct
7 Correct 13 ms 4116 KB Output is correct
8 Correct 13 ms 3932 KB Output is correct
9 Correct 13 ms 4444 KB Output is correct
10 Correct 14 ms 4632 KB Output is correct
11 Correct 23 ms 12152 KB Output is correct
12 Correct 13 ms 4440 KB Output is correct
13 Correct 14 ms 4444 KB Output is correct
14 Correct 24 ms 12120 KB Output is correct
15 Correct 12 ms 4184 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 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 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 456 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct

Subtask #3
0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 756 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 460 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 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 3 ms 3164 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 2 ms 2140 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 456 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 360 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 1116 KB Output is correct
32 Correct 6 ms 2140 KB Output is correct
33 Correct 6 ms 2652 KB Output is correct
34 Correct 2 ms 980 KB Output is correct
35 Correct 13 ms 4116 KB Output is correct
36 Correct 13 ms 3932 KB Output is correct
37 Correct 13 ms 4444 KB Output is correct
38 Correct 14 ms 4632 KB Output is correct
39 Correct 23 ms 12152 KB Output is correct
40 Correct 13 ms 4440 KB Output is correct
41 Correct 14 ms 4444 KB Output is correct
42 Correct 24 ms 12120 KB Output is correct
43 Correct 12 ms 4184 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 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 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 456 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 8 ms 2396 KB Output is correct
56 Correct 1 ms 344 KB Output is correct
57 Correct 1 ms 604 KB Output is correct
58 Correct 3 ms 1156 KB Output is correct
59 Correct 19 ms 4700 KB Output is correct
60 Correct 18 ms 4824 KB Output is correct
61 Correct 20 ms 5128 KB Output is correct
62 Correct 19 ms 4948 KB Output is correct
63 Runtime error 741 ms 1048576 KB Execution killed with signal 9
64 Halted 0 ms 0 KB -