結果

問題 No.5007 Steiner Space Travel
ユーザー fuppy_kyoprofuppy_kyopro
提出日時 2022-07-30 14:46:44
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 3 ms / 1,000 ms
コード長 6,860 bytes
コンパイル時間 2,982 ms
実行使用メモリ 3,712 KB
スコア 7,945,651
最終ジャッジ日時 2022-07-30 14:46:49
合計ジャッジ時間 4,781 ms
ジャッジサーバーID
(参考情報)
judge15 / judge13
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
3,712 KB
testcase_01 AC 3 ms
3,712 KB
testcase_02 AC 2 ms
3,636 KB
testcase_03 AC 3 ms
3,668 KB
testcase_04 AC 2 ms
3,652 KB
testcase_05 AC 3 ms
3,600 KB
testcase_06 AC 2 ms
3,684 KB
testcase_07 AC 3 ms
3,644 KB
testcase_08 AC 3 ms
3,532 KB
testcase_09 AC 2 ms
3,692 KB
testcase_10 AC 2 ms
3,596 KB
testcase_11 AC 3 ms
3,632 KB
testcase_12 AC 2 ms
3,636 KB
testcase_13 AC 3 ms
3,676 KB
testcase_14 AC 3 ms
3,584 KB
testcase_15 AC 3 ms
3,532 KB
testcase_16 AC 3 ms
3,712 KB
testcase_17 AC 3 ms
3,528 KB
testcase_18 AC 2 ms
3,692 KB
testcase_19 AC 2 ms
3,636 KB
testcase_20 AC 2 ms
3,600 KB
testcase_21 AC 3 ms
3,688 KB
testcase_22 AC 3 ms
3,532 KB
testcase_23 AC 2 ms
3,632 KB
testcase_24 AC 2 ms
3,688 KB
testcase_25 AC 3 ms
3,672 KB
testcase_26 AC 2 ms
3,640 KB
testcase_27 AC 2 ms
3,632 KB
testcase_28 AC 2 ms
3,596 KB
testcase_29 AC 2 ms
3,684 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

//*
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
//*/

#include <bits/stdc++.h>

// #include <atcoder/all>

using namespace std;
// using namespace atcoder;

// #define _GLIBCXX_DEBUG

#define DEBUG(x) cerr << #x << ": " << x << endl;
#define DEBUG_VEC(v)                                        \
    cerr << #v << ":";                                      \
    for (int iiiiiiii = 0; iiiiiiii < v.size(); iiiiiiii++) \
        cerr << " " << v[iiiiiiii];                         \
    cerr << endl;
#define DEBUG_MAT(v)                                \
    cerr << #v << endl;                             \
    for (int iv = 0; iv < v.size(); iv++) {         \
        for (int jv = 0; jv < v[iv].size(); jv++) { \
            cerr << v[iv][jv] << " ";               \
        }                                           \
        cerr << endl;                               \
    }
typedef long long ll;
// #define int ll

#define vi vector<int>
#define vl vector<ll>
#define vii vector<vector<int>>
#define vll vector<vector<ll>>
#define vs vector<string>
#define pii pair<int, int>
#define pis pair<int, string>
#define psi pair<string, int>
#define pll pair<ll, ll>
template <class S, class T>
pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) {
    return pair<S, T>(s.first + t.first, s.second + t.second);
}
template <class S, class T>
pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); }
template <class S, class T>
ostream &operator<<(ostream &os, pair<S, T> p) {
    os << "(" << p.first << ", " << p.second << ")";
    return os;
}
#define X first
#define Y second
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep1(i, n) for (int i = 1; i <= (int)(n); i++)
#define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--)
#define rrep1(i, n) for (int i = (int)(n); i > 0; i--)
#define REP(i, a, b) for (int i = a; i < b; i++)
#define in(x, a, b) (a <= x && x < b)
#define all(c) c.begin(), c.end()
void YES(bool t = true) {
    cout << (t ? "YES" : "NO") << endl;
}
void Yes(bool t = true) { cout << (t ? "Yes" : "No") << endl; }
void yes(bool t = true) { cout << (t ? "yes" : "no") << endl; }
void NO(bool t = true) { cout << (t ? "NO" : "YES") << endl; }
void No(bool t = true) { cout << (t ? "No" : "Yes") << endl; }
void no(bool t = true) { cout << (t ? "no" : "yes") << endl; }
template <class T>
bool chmax(T &a, const T &b) {
    if (a < b) {
        a = b;
        return 1;
    }
    return 0;
}
template <class T>
bool chmin(T &a, const T &b) {
    if (a > b) {
        a = b;
        return 1;
    }
    return 0;
}
#define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end());
const ll inf = 1000000001;
const ll INF = (ll)1e18 + 1;
const long double pi = 3.1415926535897932384626433832795028841971L;
int popcount(ll t) { return __builtin_popcountll(t); }
// int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
// int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 };
vi dx = {0, 0, -1, 1}, dy = {-1, 1, 0, 0};
vi dx2 = {1, 1, 0, -1, -1, -1, 0, 1}, dy2 = {0, 1, 1, 1, 0, -1, -1, -1};
struct Setup_io {
    Setup_io() {
        ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
        cout << fixed << setprecision(25);
    }
} setup_io;
const ll MOD = 1000000007;
// const ll MOD = 998244353;
// #define mp make_pair
//#define endl '\n'

constexpr int n = 100, m = 8;
constexpr int alpha = 5;
vector<pii> ab(n);
vector<pii> cd(m);

void input() {
    int nn, mm;
    cin >> nn >> mm;

    rep(i, n) {
        cin >> ab[i].first >> ab[i].second;
    }

    rep(i, m) {
        int y = i / 3;
        int x = i % 3;
        cd[i] = pii(250 * (y + 1), 250 * (x + 1));
    }
}

int calc_dist(pii xy1, pii xy2) {
    pll dxy = xy1 - xy2;
    return dxy.first * dxy.first + dxy.second * dxy.second;
}

int hyou[n][n];
pii inter[n][n];

void fill_hyou(vector<int> &jun) {
    rep(i, n) {
        REP(j, i, n) {
            hyou[i][j] = calc_dist(ab[i], ab[j]) * alpha * alpha;
            inter[i][j] = pii(-1, -1);

            rep(k, m) {
                if (chmin(hyou[i][j], (calc_dist(ab[i], cd[k]) + calc_dist(cd[k], ab[j])) * alpha)) {
                    inter[i][j] = pii(k, -1);
                }
            }

            rep(k1, m) {
                int temp = calc_dist(ab[i], cd[k1]) * alpha;
                if (temp >= hyou[i][j]) {
                    continue;
                }
                rep(k2, m) {
                    int add = calc_dist(cd[k1], cd[k2]) + calc_dist(cd[k2], ab[j]) * alpha;
                    if (chmin(hyou[i][j], temp + add)) {
                        inter[i][j] = pii(k1, k2);
                    }
                }
            }

            hyou[j][i] = hyou[i][j];
            inter[j][i] = inter[i][j];
            if (inter[j][i].second != -1) {
                swap(inter[j][i].first, inter[j][i].second);
            }
        }
    }
}

int calc_score(const vi &dist) {
    ll sum = 0;
    rep(i, n) sum += dist[i];

    return round(1e9 / (1000 + sqrt(sum)));
}

int two_opt(vector<int> &jun) {
    fill_hyou(jun);

    static vector<int> dist(n);
    rep(i, n) {
        int s = jun[i], t = jun[(i + 1) % n];
        dist[i] = hyou[s][t];
    }

    bool updated = true;
    while (updated) {
        updated = false;
        for (int i = 1; i < n; i++) {
            for (int j = i + 1; j < n; j++) {
                int sub = 0, add = 0;
                sub += hyou[jun[i - 1]][jun[i]];
                add += hyou[jun[i - 1]][jun[j]];

                sub += hyou[jun[j]][jun[(j + 1) % n]];
                add += hyou[jun[i]][jun[(j + 1) % n]];

                if (sub > add) {
                    reverse(jun.begin() + i, jun.begin() + j + 1);
                    reverse(dist.begin() + i, dist.begin() + j);

                    dist[i - 1] = hyou[jun[i - 1]][jun[i]];
                    dist[j] = hyou[jun[j]][jun[(j + 1) % n]];

                    updated = true;
                }
            }
        }
    }

    return calc_score(dist);
}

void output(vector<int> &jun) {
    rep(i, m) {
        cout << cd[i].first << " " << cd[i].second << endl;
    }

    vector<pii> ans;
    ans.emplace_back(1, 0);
    rep(i, n) {
        int s = jun[i], t = jun[(i + 1) % n];

        pii keiyu = inter[s][t];
        if (keiyu.first != -1) {
            ans.emplace_back(2, keiyu.first);
        }
        if (keiyu.second != -1) {
            ans.emplace_back(2, keiyu.second);
        }

        ans.emplace_back(1, t);
    }

    cout << ans.size() << endl;
    for (auto [t, u] : ans) {
        cout << t << " " << u + 1 << endl;
    }
}

signed main() {
    input();

    vector<int> jun(n);
    rep(i, n) {
        jun[i] = i;
    }

    int score = two_opt(jun);
    DEBUG(score);

    output(jun);
}
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