結果
問題 | No.2641 draw X |
ユーザー |
|
提出日時 | 2024-02-19 22:28:18 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,697 bytes |
コンパイル時間 | 4,376 ms |
コンパイル使用メモリ | 257,552 KB |
最終ジャッジ日時 | 2025-02-19 17:15:20 |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | -- * 3 |
other | AC * 16 TLE * 1 -- * 24 |
ソースコード
#include <bits/stdc++.h>#include <atcoder/all>using namespace std;using namespace atcoder;istream &operator>>(istream &is, modint &a) { long long v; is >> v; a = v; return is; }ostream &operator<<(ostream &os, const modint &a) { return os << a.val(); }istream &operator>>(istream &is, modint998244353 &a) { long long v; is >> v; a = v; return is; }ostream &operator<<(ostream &os, const modint998244353 &a) { return os << a.val(); }istream &operator>>(istream &is, modint1000000007 &a) { long long v; is >> v; a = v; return is; }ostream &operator<<(ostream &os, const modint1000000007 &a) { return os << a.val(); }typedef long long ll;typedef vector<vector<int>> Graph;typedef pair<int, int> pii;typedef pair<ll, ll> pll;#define FOR(i,l,r) for (int i = l;i < (int)(r); i++)#define rep(i,n) for (int i = 0;i < (int)(n); i++)#define all(x) x.begin(), x.end()#define rall(x) x.rbegin(), x.rend()#define my_sort(x) sort(x.begin(), x.end())#define my_max(x) *max_element(all(x))#define my_min(x) *min_element(all(x))template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }const int INF = (1<<30) - 1;const ll LINF = (1LL<<62) - 1;const int MOD = 998244353;const int MOD2 = 1e9+7;const double PI = acos(-1);vector<int> di = {1,0,-1,0};vector<int> dj = {0,1,0,-1};#ifdef LOCAL# include <debug_print.hpp># define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)#else# define debug(...) (static_cast<void>(0))#endifint main(){cin.tie(0);ios_base::sync_with_stdio(false);int H, W;cin >> H >> W;vector<string> g(H);for (auto& x : g) cin >> x;vector S(H, vector<bool>(W, false));auto ok = [&](int i, int j) { return 0 <= i and i < H and 0 <= j and j < W; };auto test = [&](int i, int j, int d) {for (auto& x : vector{+d, -d}) {for (auto& y : vector{+d, -d}) {int s = i + x, t = j + y;if (!ok(s, t) or g[s][t] != '#') return false;}}S[i][j] = true;for (auto& x : vector{+d, -d}) {for (auto& y : vector{+d, -d}) {int s = i + x, t = j + y;S[s][t] = true;}}return true;};for (int i = 0; i < H; i++) {for (int j = 0; j < W; j++) {if (g[i][j] != '#') continue;if (test(i, j, 1)) {int d = 1;while (test(i, j, d + 1)) d++;}}}bool is_ok = true;rep(i,H)rep(j,W)if(g[i][j]=='#'&&(!S[i][j]))is_ok = false;cout << (is_ok ? "Yes" : "No") << endl;}