結果

問題 No.2696 Sign Creation
ユーザー kaikeykaikey
提出日時 2024-03-22 22:23:47
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 6,431 bytes
コンパイル時間 2,812 ms
コンパイル使用メモリ 242,580 KB
実行使用メモリ 126,208 KB
最終ジャッジ日時 2024-05-17 18:13:06
合計ジャッジ時間 12,149 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
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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
13,752 KB
testcase_01 AC 1 ms
6,940 KB
testcase_02 AC 2 ms
6,944 KB
testcase_03 AC 1 ms
6,940 KB
testcase_04 AC 2 ms
6,944 KB
testcase_05 AC 1 ms
6,944 KB
testcase_06 WA -
testcase_07 AC 2 ms
6,944 KB
testcase_08 AC 32 ms
6,940 KB
testcase_09 AC 2 ms
6,944 KB
testcase_10 AC 17 ms
6,940 KB
testcase_11 WA -
testcase_12 WA -
testcase_13 AC 1,201 ms
57,960 KB
testcase_14 AC 388 ms
28,776 KB
testcase_15 AC 377 ms
26,472 KB
testcase_16 AC 1,178 ms
55,272 KB
testcase_17 WA -
testcase_18 AC 54 ms
12,928 KB
testcase_19 AC 377 ms
28,772 KB
testcase_20 AC 2 ms
6,944 KB
testcase_21 AC 307 ms
25,064 KB
testcase_22 AC 50 ms
13,184 KB
testcase_23 AC 309 ms
26,344 KB
testcase_24 AC 316 ms
26,344 KB
testcase_25 AC 417 ms
31,012 KB
testcase_26 AC 8 ms
6,940 KB
testcase_27 WA -
testcase_28 AC 91 ms
21,120 KB
testcase_29 WA -
testcase_30 AC 3 ms
6,944 KB
testcase_31 TLE -
testcase_32 -- -
testcase_33 -- -
testcase_34 -- -
testcase_35 -- -
testcase_36 -- -
testcase_37 -- -
testcase_38 -- -
testcase_39 -- -
testcase_40 -- -
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 #

#include "bits/stdc++.h"
#include <random>
#include <chrono>
#define ALL(x) (x).begin(), (x).end()
#define RALL(x) (x).rbegin(), (x).rend()
#define SZ(x) ((lint)(x).size())
#define FOR(i, begin, end) for(lint i=(begin),i##_end_=(end);i<i##_end_;++i)
#define IFOR(i, begin, end) for(lint i=(end)-1,i##_begin_=(begin);i>=i##_begin_;--i)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
#define endk '\n'
using namespace std; typedef unsigned long long _ulong; typedef long long int lint; typedef long double ld; typedef pair<lint, lint> plint; typedef pair<ld, ld> pld;
struct fast_ios { fast_ios() { cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(30); }; } fast_ios_;
template<class T> auto add = [](T a, T b) -> T { return a + b; };
template<class T> auto mul = [](T a, T b) -> T { return a * b; };
template<class T> auto f_max = [](T a, T b) -> T { return max(a, b); };
template<class T> auto f_min = [](T a, T b) -> T { return min(a, b); };
template<class T> using V = vector<T>;
using Vl = V<lint>; using VVl = V<Vl>; using VVVl = V<V<Vl>>;
template< typename T > ostream& operator<<(ostream& os, const vector< T >& v) {
    for (int i = 0; i < (int)v.size(); i++) os << v[i] << (i + 1 != v.size() ? " " : "");
    return os;
}
template< typename T >istream& operator>>(istream& is, vector< T >& v) {
    for (T& in : v) is >> in;
    return is;
}
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 (b < a) { a = b; return 1; } return 0; }
template <class T>
T div_floor(T a, T b) {
    if (b < 0) a *= -1, b *= -1;
    return a >= 0 ? a / b : (a + 1) / b - 1;
}
template <class T>
T div_ceil(T a, T b) {
    if (b < 0) a *= -1, b *= -1;
    return a > 0 ? (a - 1) / b + 1 : a / b;
}
template <class F> struct rec {
    F f;
    rec(F&& f_) : f(std::forward<F>(f_)) {}
    template <class... Args> auto operator()(Args &&... args) const {
        return f(*this, std::forward<Args>(args)...);
    }
};
lint gcd(lint a, lint b) { if (b == 0) return a; else return gcd(b, a % b); }
lint digit(lint a) { return (lint)log10(a); }
lint e_dist(plint a, plint b) { return abs(a.first - b.first) * abs(a.first - b.first) + abs(a.second - b.second) * abs(a.second - b.second); }
lint m_dist(plint a, plint b) { return abs(a.first - b.first) + abs(a.second - b.second); }
bool check_overflow(lint a, lint b, lint limit) { if (b == 0) return false; return a > limit / b; } // a * b > c => true
void Worshall_Floyd(VVl& g) { REP(k, SZ(g)) REP(i, SZ(g)) REP(j, SZ(g)) chmin(g[i][j], g[i][k] + g[k][j]); }
const lint MOD1000000007 = 1000000007, MOD998244353 = 998244353, INF = 2e18;
lint dx[8] = { 0, 1, 0, -1, 1, -1, 1, -1 }, dy[8] = { 1, 0, -1, 0, -1, -1, 1, 1 };
bool YN(bool flag) { cout << (flag ? "YES" : "NO") << endk; return flag; } bool yn(bool flag) { cout << (flag ? "Yes" : "No") << endk; return flag; }
struct Edge {
    lint from, to;
    lint cost;
    Edge() {

    }
    Edge(lint u, lint v, lint c) {
        cost = c;
        from = u;
        to = v;
    }
    bool operator<(const Edge& e) const {
        return cost < e.cost;
    }
};
struct WeightedEdge {
    lint to;
    lint cost;
    WeightedEdge(lint v, lint c) {
        to = v;
        cost = c;
    }
    bool operator<(const WeightedEdge& e) const {
        return cost < e.cost;
    }
};
using WeightedGraph = V<V<WeightedEdge>>;
typedef pair<lint, plint> tlint;
typedef pair<ld, ld> pld;
typedef pair<plint, plint> qlint;
typedef pair<Edge, lint> pEd;
typedef pair<plint, V<plint>> vVl;
typedef pair<string, string> pstr;
typedef pair<ld, lint> pint;
typedef pair<lint, set<pint>> pset;

struct UnionFind {
    vector<int> par;
    stack<pair<int, int>> history;

    UnionFind() {}
    UnionFind(int n) : par(n, -1) { }
    void init(int n) { par.assign(n, -1); }

    int root(int x) {
        if (par[x] < 0) return x;
        else return root(par[x]);
    }

    bool issame(int x, int y) {
        return root(x) == root(y);
    }

    bool merge(int x, int y) {
        x = root(x); y = root(y);
        history.emplace(x, par[x]);
        history.emplace(y, par[y]);
        if (x == y) return false;
        if (par[x] > par[y]) swap(x, y); // merge technique
        par[x] += par[y];
        par[y] = x;
        return true;
    }

    int size(int x) {
        return -par[root(x)];
    }

    // 1-step undo
    void undo() {
        for (int iter = 0; iter < 2; ++iter) {
            par[history.top().first] = history.top().second;
            history.pop();
        }
    }

    // erase history
    void snapshot() {
        while (!history.empty()) history.pop();
    }

    // all rollback
    void rollback() {
        while (!history.empty()) undo();
    }
};

void solve() {
    lint H, W, N, D;
    cin >> H >> W >> N >> D;
    set<plint> st;
    map<plint, lint> fx;
    map<plint, Vl> connects;
    V<plint> arr;
    REP(i, N) {
        lint X, Y;
        cin >> X >> Y;
        st.insert({ X, Y });
        fx[{X, Y}] = i;
        arr.push_back({ X, Y });
    }

    UnionFind tree(N);
    REP(i, N) {
        FOR(x, -D, D + 1) {
            FOR(y, -D + abs(x), D - abs(x) + 1) {
                plint p = { arr[i].first + x, arr[i].second + y };
                if (fx.count(p)) {
                    tree.merge(i, fx[p]);
                }
                st.insert(p);
                connects[p].push_back(i);
            }
        }
    }

    lint curr = 0;
    set<lint> _st;
    REP(i, N) {
        if (!_st.count(tree.root(i))) {
            if (tree.size(i) != 1) curr++;
        }
        _st.insert(tree.root(i));
    }
    lint minv = INF, maxv = -INF;
    for (auto p : connects) {
        auto v = p.second;
        lint _curr = curr, bk = 0;
        REP(i, SZ(v) - 1) {
            if (!tree.issame(v[i], v[i + 1])) {
                lint prv = 0;
                if (tree.size(v[i]) != 1) prv++;
                if (tree.size(v[i + 1]) != 1) prv++;
                _curr -= prv;
                _curr++;
                bk++;
                tree.merge(v[i], v[i + 1]);
            }
        }
        chmin(minv, _curr);
        chmax(maxv, _curr);
        REP(i, bk) tree.undo();
    }
    if (N == 0) {
        chmin(minv, 0ll);
        chmax(maxv, 0ll);
    }
    cout << minv << " " << maxv << endk;
}

int main() {
    lint T = 1;
    //cin >> T;
    while (T--) solve();
}
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