結果

問題 No.2696 Sign Creation
ユーザー Misuki
提出日時 2024-03-22 22:17:16
言語 C++23
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 103 ms / 2,500 ms
コード長 4,406 bytes
コンパイル時間 3,663 ms
コンパイル使用メモリ 211,940 KB
実行使用メモリ 17,920 KB
最終ジャッジ日時 2024-12-20 12:01:40
合計ジャッジ時間 4,908 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 38
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 optimize("O2")
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <cctype>
#include <cfenv>
#include <cfloat>
#include <chrono>
#include <cinttypes>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdarg>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <deque>
#include <fstream>
#include <functional>
#include <initializer_list>
#include <iomanip>
#include <ios>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <streambuf>
#include <string>
#include <tuple>
#include <type_traits>
#include <variant>

#if __cplusplus >= 202002L

#include <bit>
#include <compare>
#include <concepts>
#include <numbers>
#include <ranges>
#include <span>

#else

#define ssize(v) (int)(v).size()
#define popcount(x) __builtin_popcountll(x)
constexpr int bit_width(const unsigned int x) { return x == 0 ? 0 : ((sizeof(unsigned int) * CHAR_BIT) - __builtin_clz(x)); }
constexpr int bit_width(const unsigned long long x) { return x == 0 ? 0 : ((sizeof(unsigned long long) * CHAR_BIT) - __builtin_clzll(x)); }
constexpr int countr_zero(const unsigned int x) { return x == 0 ? sizeof(unsigned int) * CHAR_BIT : __builtin_ctz(x); }
constexpr int countr_zero(const unsigned long long x) { return x == 0 ? sizeof(unsigned long long) * CHAR_BIT : __builtin_ctzll(x); }
constexpr unsigned int bit_ceil(const unsigned int x) { return x == 0 ? 1 : (popcount(x) == 1 ? x : (1u << bit_width(x))); }
constexpr unsigned long long bit_ceil(const unsigned long long x) { return x == 0 ? 1 : (popcount(x) == 1 ? x : (1ull << bit_width(x))); }

#endif

#define int ll
#define INT128_MAX (__int128)(((unsigned __int128) 1 << ((sizeof(__int128) * __CHAR_BIT__) - 1)) - 1)
#define INT128_MIN (-INT128_MAX - 1)

#define clock chrono::steady_clock::now().time_since_epoch().count()

#ifdef DEBUG
#define dbg(x) cout << (#x) << " = " << x << '\n'
#else
#define dbg(x)
#endif

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ldb = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
//#define double ldb

template<class T>
ostream& operator<<(ostream& os, const pair<T, T> pr) {
  return os << pr.first << ' ' << pr.second;
}
template<class T, size_t N>
ostream& operator<<(ostream& os, const array<T, N> &arr) {
  for(const T &X : arr)
    os << X << ' ';
  return os;
}
template<class T>
ostream& operator<<(ostream& os, const vector<T> &vec) {
  for(const T &X : vec)
    os << X << ' ';
  return os;
}
template<class T>
ostream& operator<<(ostream& os, const set<T> &s) {
  for(const T &x : s)
    os << x << ' ';
  return os;
}


signed main() {
  ios::sync_with_stdio(false), cin.tie(NULL);

  int h, w, n, d; cin >> h >> w >> n >> d;
  vector star(h, vector<bool>(w, false));
  for(int i = 0; i < n; i++) {
    int x, y; cin >> x >> y;
    star[x - 1][y - 1] = true;
  }

  vector id(h, vector<int>(w));
  vector iso(h, vector<bool>(w, true));
  auto dfs = [&](int x, int y, int c, auto self) -> void {
    id[x][y] = c;
    for(int xp = x - d; xp <= x + d; xp++) if (0 <= xp and xp < h) {
      for(int yp = y - d; yp <= y + d; yp++) if (0 <= yp and yp < w and abs(x - xp) + abs(y - yp) <= d) {
        if (!star[xp][yp] or id[xp][yp]) continue;
        iso[x][y] = iso[xp][yp] = false;
        self(xp, yp, c, self);
      }
    }
  };

  int cc = 0, ss = 0;
  for(int i = 0; i < h; i++) {
    for(int j = 0; j < w; j++) {
      if (star[i][j] and !id[i][j]) {
        dfs(i, j, ++cc, dfs);
        if (!iso[i][j]) ss++;
      }
    }
  }

  int dmn = 0, dmx = 0;
  for(int i = 0; i < h; i++) {
    for(int j = 0; j < w; j++) {
      if (star[i][j]) continue;
      set<int> s;
      bool f = false;
      for(int xp = i - d; xp <= i + d; xp++) if (0 <= xp and xp < h)
        for(int yp = j - d; yp <= j + d; yp++) if (0 <= yp and yp < w and abs(i - xp) + abs(j - yp) <= d and id[xp][yp]) {
          if (!iso[xp][yp])
            s.insert(id[xp][yp]); 
          f = true;
        }
      if (f)
        dmn = min(dmn, 1 - (int)s.size()), dmx = max(dmx, 1 - (int)s.size());
    }
  }

  cout << ss + dmn << ' ' << ss + dmx << '\n';

  return 0;
}
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