結果
問題 |
No.179 塗り分け
|
ユーザー |
|
提出日時 | 2023-11-29 20:37:56 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 73 ms / 3,000 ms |
コード長 | 2,308 bytes |
コンパイル時間 | 1,922 ms |
コンパイル使用メモリ | 196,740 KB |
最終ジャッジ日時 | 2025-02-18 02:24:42 |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 6 |
other | AC * 40 |
ソースコード
#include <bits/stdc++.h> #include <atcoder/modint> namespace { using ModInt [[maybe_unused]] = atcoder::modint998244353; using Num [[maybe_unused]] = long long int; using Vec [[maybe_unused]] = std::vector<Num>; using Set [[maybe_unused]] = std::set<Num>; using Mset [[maybe_unused]] = std::multiset<Num>; using Edges [[maybe_unused]] = std::vector<std::vector<Num>>; template<typename T> using Q [[maybe_unused]] = std::queue<T>; template<typename T> using PQ [[maybe_unused]] = std::priority_queue<T, std::vector<T>, std::greater<T>>; } using Grid = std::array<std::array<Num, 50>, 50>; void solve(std::istream& is, std::ostream& os) { Num h {0}; Num w {0}; is >> h >> w; Grid base; for(Num y{0}; y<h; ++y) { std::string s; is >> s; for(Num x{0}; x<w; ++x) { base[y][x] = s.at(x) == '#'; } } for(Num dy{-h+1}; dy<h; ++dy) { for(Num dx{-w+1}; dx<w; ++dx) { if ((dy == 0) && (dx == 0)) { continue; } auto g = base; bool failed {false}; for(Num y{0}; !failed && (y<h); ++y) { const auto ty = dy + y; for(Num x{0}; !failed && (x<w); ++x) { const auto tx = dx + x; if (g[y][x] == 0) { continue; } if (g[y][x] == 1) { if ((ty < 0) || (tx < 0) || (ty >= h) || (tx >= w) || (g[ty][tx] != 1)) { failed = true; break; } g[y][x] = 2; g[ty][tx] = 3; } } } Num ct2 {0}; Num ct3 {0}; for(Num y{0}; !failed && (y<h); ++y) { for(Num x{0}; !failed && (x<w); ++x) { failed |= (g[y][x] == 1); ct2 |= (g[y][x] == 2); ct3 |= (g[y][x] == 3); } } if (!failed && (ct2 > 0) && (ct3 > 0)) { os << "YES\n"; return; } } } os << "NO\n"; return; } int main(void) { solve(std::cin, std::cout); return 0; }