結果
| 問題 |
No.2696 Sign Creation
|
| コンテスト | |
| 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 |
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| 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;
}
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