結果
問題 | No.2731 Two Colors |
ユーザー | risujiroh |
提出日時 | 2024-04-19 21:39:22 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,326 bytes |
コンパイル時間 | 3,424 ms |
コンパイル使用メモリ | 268,116 KB |
実行使用メモリ | 11,708 KB |
最終ジャッジ日時 | 2024-10-11 14:25:08 |
合計ジャッジ時間 | 8,592 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | AC | 3 ms
5,248 KB |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | AC | 2 ms
5,248 KB |
testcase_35 | AC | 2 ms
5,248 KB |
ソースコード
#if __INCLUDE_LEVEL__ == 0 #include __BASE_FILE__ namespace { void solve() { int h, w; scan(h, w); std::vector a(h, std::vector<int>(w)); scan(a); std::vector color(h, std::vector<int>(w, -1)); std::array<std::priority_queue<std::tuple<int, int, int>>, 2> q; const auto push = [&](int t, int i, int j) { q[t].emplace(-a[i][j], i, j); }; push(1, 0, 0); push(0, h - 1, w - 1); int ans = 0; for (int t : std::views::iota(1)) { t %= 2; const auto [_, i, j] = q[t].top(); q[t].pop(); if (color[i][j] == -1) { color[i][j] = t; for (auto [ni, nj] : {std::pair{1, 0}, {0, 1}, {-1, 0}, {0, -1}}) { ni += i; nj += j; if (0 <= ni && ni < h && 0 <= nj && nj < w) { if (color[ni][nj] == (t ^ 1)) { print(ans - 1); return; } } } } else { continue; } ++ans; for (auto [ni, nj] : {std::pair{1, 0}, {0, 1}, {-1, 0}, {0, -1}}) { ni += i; nj += j; if (0 <= ni && ni < h && 0 <= nj && nj < w) { push(t, ni, nj); } } } } } // namespace int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); std::cout << std::setprecision(DBL_DECIMAL_DIG); solve(); } #else // __INCLUDE_LEVEL__ #include <bits/stdc++.h> template <class T, class U = T> bool chmin(T& x, U&& y) { return y < x && (x = std::forward<U>(y), true); } template <class T, class U = T> bool chmax(T& x, U&& y) { return x < y && (x = std::forward<U>(y), true); } template <std::signed_integral T = int> T inf() { T ret; std::memset(&ret, 0x3f, sizeof(ret)); return ret; } template <std::floating_point T> T inf() { return std::numeric_limits<T>::infinity(); } template <class T> concept Range = std::ranges::range<T> && !std::convertible_to<T, std::string_view>; template <class T> concept Tuple = std::__is_tuple_like<T>::value && !Range<T>; namespace std { istream& operator>>(istream& is, Range auto&& r) { for (auto&& e : r) { is >> e; } return is; } istream& operator>>(istream& is, Tuple auto&& t) { return apply([&](auto&... xs) -> istream& { return (is >> ... >> xs); }, t); } ostream& operator<<(ostream& os, Range auto&& r) { for (string_view sep = ""; auto&& e : r) { os << exchange(sep, " ") << e; } return os; } ostream& operator<<(ostream& os, Tuple auto&& t) { const auto f = [&](auto&... xs) -> ostream& { [[maybe_unused]] string_view sep = ""; ((os << exchange(sep, " ") << xs), ...); return os; }; return apply(f, t); } } // namespace std void scan(auto&&... xs) { std::cin >> std::tie(xs...); } void print(auto&&... xs) { std::cout << std::tie(xs...) << '\n'; } template <class F> class fix { public: explicit fix(F f) : f_(std::move(f)) {} decltype(auto) operator()(auto&&... xs) const { return f_(std::ref(*this), std::forward<decltype(xs)>(xs)...); } private: F f_; }; inline auto rep(int l, int r) { return std::views::iota(std::min(l, r), r); } inline auto rep(int n) { return rep(0, n); } inline auto rep1(int l, int r) { return rep(l, r + 1); } inline auto rep1(int n) { return rep(1, n + 1); } using namespace std::literals; namespace ranges = std::ranges; namespace views = std::views; using i64 = std::int64_t; #endif // __INCLUDE_LEVEL__