結果
問題 | No.2696 Sign Creation |
ユーザー |
![]() |
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 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 38 |
ソースコード
#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; }