結果
問題 | No.866 レベルKの正方形 |
ユーザー | noshi91 |
提出日時 | 2019-08-16 23:49:39 |
言語 | C++17(clang) (17.0.6 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 4,155 ms / 6,000 ms |
コード長 | 4,096 bytes |
コンパイル時間 | 1,002 ms |
コンパイル使用メモリ | 132,728 KB |
実行使用メモリ | 443,136 KB |
最終ジャッジ日時 | 2024-05-07 19:27:00 |
合計ジャッジ時間 | 24,974 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,812 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 2,482 ms
443,008 KB |
testcase_09 | AC | 2,828 ms
443,008 KB |
testcase_10 | AC | 3,827 ms
443,136 KB |
testcase_11 | AC | 4,155 ms
443,008 KB |
testcase_12 | AC | 3,786 ms
443,136 KB |
testcase_13 | AC | 3,928 ms
443,136 KB |
testcase_14 | AC | 3,573 ms
443,136 KB |
testcase_15 | AC | 3,575 ms
443,136 KB |
testcase_16 | AC | 4,141 ms
443,136 KB |
testcase_17 | AC | 3,762 ms
443,136 KB |
testcase_18 | AC | 3,823 ms
443,136 KB |
testcase_19 | AC | 3,490 ms
443,008 KB |
testcase_20 | AC | 2,855 ms
443,136 KB |
testcase_21 | AC | 3,857 ms
443,136 KB |
testcase_22 | AC | 1 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 1 ms
6,944 KB |
ソースコード
//#define NDEBUG #include <cstddef> #include <cstdint> #include <iostream> #include <vector> namespace n91 { using i8 = std::int_fast8_t; using i32 = std::int_fast32_t; using i64 = std::int_fast64_t; using u8 = std::uint_fast8_t; using u32 = std::uint_fast32_t; using u64 = std::uint_fast64_t; using isize = std::ptrdiff_t; using usize = std::size_t; constexpr usize operator"" _z(unsigned long long x) noexcept { return static_cast<usize>(x); } class rep { const usize f, l; public: class itr { friend rep; usize i; constexpr itr(const usize x) noexcept : i(x) {} public: void operator++() noexcept { ++i; } constexpr usize operator*() const noexcept { return i; } constexpr bool operator!=(const itr x) const noexcept { return i != x.i; } }; constexpr rep(const usize first, const usize last) noexcept : f(first), l(last) {} constexpr itr begin() const noexcept { return itr(f); } constexpr itr end() const noexcept { return itr(l); } }; class revrep { const usize f, l; public: class itr { friend revrep; usize i; constexpr itr(usize x) noexcept : i(x) {} public: void operator++() noexcept { --i; } constexpr usize operator*() const noexcept { return i; } constexpr bool operator!=(const itr x) const noexcept { return i != x.i; } }; constexpr revrep(usize first, usize last) noexcept : f(--first), l(--last) {} constexpr itr begin() const noexcept { return itr(l); } constexpr itr end() const noexcept { return itr(f); } }; template <class T> using vec_alias = std::vector<T>; template <class T> auto md_vec(const usize n, const T &value) { return std::vector<T>(n, value); } template <class... Args> auto md_vec(const usize n, Args... args) { return std::vector<decltype(md_vec(args...))>(n, md_vec(args...)); } template <class T> constexpr T difference(const T &a, const T &b) { return a < b ? b - a : a - b; } template <class T> T scan() { T ret; std::cin >> ret; return ret; } } // namespace n91 #include <algorithm> #include <array> #include <iostream> #include <utility> namespace n91 { void main_() { const usize h = scan<usize>(); const usize w = scan<usize>(); const usize k = scan<usize>(); auto c = md_vec(h, w, usize()); for (auto &v : c) { for (auto &e : v) { e = scan<char>() - 'a'; } } auto sum = md_vec(h + 1, w + 1, std::array<std::uint_least32_t, 26_z>({})); for (const auto i : rep(0_z, h)) { for (const auto j : rep(0_z, w)) { sum[i + 1_z][j + 1_z][c[i][j]] += 1_z; } } for (const auto i : rep(0_z, h)) { for (const auto j : rep(0_z, w)) { for (const auto k : rep(0_z, 26_z)) { sum[i + 1_z][j + 1_z][k] += sum[i + 1_z][j][k]; } } } for (const auto i : rep(0_z, h)) { for (const auto j : rep(0_z, w)) { for (const auto k : rep(0_z, 26_z)) { sum[i + 1_z][j + 1_z][k] += sum[i][j + 1_z][k]; } } } const auto count = [&](const usize xl, const usize xr, const usize yl, const usize yr) { usize ret = 0_z; for (const auto i : rep(0_z, 26_z)) { if ((sum[xl][yl][i] + sum[xr][yr][i] - sum[xl][yr][i] - sum[xr][yl][i]) != 0_z) { ++ret; } } return ret; }; u64 ans = static_cast<u64>(0); for (const auto xl : rep(0_z, h)) { for (const auto yl : rep(0_z, w)) { const usize maxd = std::min(h - xl, w - yl); usize low = 0_z, high = maxd + 1_z; while (high - low != 1_z) { const usize mid = (low + high) / 2_z; if (count(xl, xl + mid, yl, yl + mid) < k) { low = mid; } else { high = mid; } } const usize lb = high; low = 0_z, high = maxd + 1_z; while (high - low != 1_z) { const usize mid = (low + high) / 2_z; if (count(xl, xl + mid, yl, yl + mid) <= k) { low = mid; } else { high = mid; } } ans += high - lb; } } std::cout << ans << std::endl; } } // namespace n91 int main() { n91::main_(); return 0; }