結果
問題 | No.1324 Approximate the Matrix |
ユーザー | Pachicobue |
提出日時 | 2020-12-21 14:04:23 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 6,479 bytes |
コンパイル時間 | 2,481 ms |
コンパイル使用メモリ | 216,976 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-21 12:56:39 |
合計ジャッジ時間 | 4,457 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
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 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | WA | - |
testcase_31 | AC | 2 ms
6,944 KB |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | AC | 5 ms
6,940 KB |
testcase_43 | WA | - |
testcase_44 | WA | - |
ソースコード
#include <bits/stdc++.h> using ll = long long; using uint = unsigned int; using ull = unsigned long long; using ld = long double; template<typename T> using max_heap = std::priority_queue<T>; template<typename T> using min_heap = std::priority_queue<T, std::vector<T>, std::greater<T>>; constexpr int popcount(const ull v) { return v ? __builtin_popcountll(v) : 0; } constexpr int log2p1(const ull v) { return v ? 64 - __builtin_clzll(v) : 0; } constexpr int lsbp1(const ull v) { return __builtin_ffsll(v); } constexpr int clog(const ull v) { return v ? log2p1(v - 1) : 0; } constexpr ull ceil2(const ull v) { return 1ULL << clog(v); } constexpr ull floor2(const ull v) { return v ? (1ULL << (log2p1(v) - 1)) : 0ULL; } constexpr bool btest(const ull mask, const int ind) { return (mask >> ind) & 1ULL; } template<typename T> bool chmin(T& a, const T& b) { return (a > b ? a = b, true : false); } template<typename T> bool chmax(T& a, const T& b) { return (a < b ? a = b, true : false); } template<typename T> constexpr T inf_v = std::numeric_limits<T>::max() / 4; template<typename Real> constexpr Real pi_v = Real{3.141592653589793238462643383279502884}; template<typename T> constexpr T TEN(const int n) { return n == 0 ? T{1} : TEN<T>(n - 1) * T{10}; } template<typename F> struct fix : F { fix(F&& f) : F{std::forward<F>(f)} {} template<typename... Args> auto operator()(Args&&... args) const { return F::operator()(*this, std::forward<Args>(args)...); } }; template<typename T, int n, int i = 0> auto nd_array(int const (&szs)[n], const T x = T{}) { if constexpr (i == n) { return x; } else { return std::vector(szs[i], nd_array<T, n, i + 1>(szs, x)); } } class printer { public: printer(std::ostream& os_ = std::cout) : m_os{os_} { m_os << std::fixed << std::setprecision(15); } template<typename... Args> int ln(const Args&... args) { return dump(args...), m_os << '\n', 0; } template<typename... Args> int el(const Args&... args) { return dump(args...), m_os << std::endl, 0; } private: template<typename T> void dump(const T& v) { m_os << v; } template<typename T> void dump(const std::vector<T>& vs) { for (int i = 0; i < (int)vs.size(); i++) { m_os << (i ? " " : ""), dump(vs[i]); } } template<typename T> void dump(const std::vector<std::vector<T>>& vss) { for (int i = 0; i < (int)vss.size(); i++) { m_os << (0 <= i or i + 1 < (int)vss.size() ? "\n" : ""), dump(vss[i]); } } template<typename T, typename... Args> int dump(const T& v, const Args&... args) { return dump(v), m_os << ' ', dump(args...), 0; } std::ostream& m_os; }; printer out; class range { private: struct itr { itr(const int start = 0, const int step = 1) : m_cnt{start}, m_step{step} {} bool operator!=(const itr& it) const { return m_cnt != it.m_cnt; } int& operator*() { return m_cnt; } itr& operator++() { return m_cnt += m_step, *this; } int m_cnt, m_step; }; int m_start, m_end, m_step; public: range(const int start, const int end, const int step = 1) : m_start{start}, m_end{end}, m_step{step} { assert(m_step != 0); if (m_step > 0) { m_end = m_start + std::max(m_step - 1, m_end - m_start + m_step - 1) / m_step * m_step; } if (m_step < 0) { m_end = m_start - std::max(-m_step - 1, m_start - m_end - m_step - 1) / (-m_step) * (-m_step); } } itr begin() const { return itr{m_start, m_step}; } itr end() const { return itr{m_end, m_step}; } }; range rep(const int end, const int step = 1) { return range(0, end, step); } range per(const int rend, const int step = -1) { return range(rend - 1, -1, step); } class scanner { public: scanner(std::istream& is_ = std::cin) : m_is{is_} { m_is.tie(nullptr), std::ios::sync_with_stdio(false); } template<typename T> T val() { T v; return m_is >> v, v; } template<typename T> T val(const T offset) { return val<T>() - offset; } template<typename T> std::vector<T> vec(const int n) { return make_v<T>(n, [this]() { return val<T>(); }); } template<typename T> std::vector<T> vec(const int n, const T offset) { return make_v<T>(n, [this, offset]() { return val<T>(offset); }); } template<typename T> std::vector<std::vector<T>> vvec(const int n0, const int n1) { return make_v<std::vector<T>>(n0, [this, n1]() { return vec<T>(n1); }); } template<typename T> std::vector<std::vector<T>> vvec(const int n0, const int n1, const T offset) { return make_v<std::vector<T>>(n0, [this, n1, offset]() { return vec<T>(n1, offset); }); } template<typename... Args> auto tup() { return std::tuple<std::decay_t<Args>...>{val<Args>()...}; } template<typename... Args> auto tup(const Args&... offsets) { return std::tuple<std::decay_t<Args>...>{val<Args>(offsets)...}; } private: template<typename T, typename F> std::vector<T> make_v(const int n, F f) { std::vector<T> ans; for (int i = 0; i < n; i++) { ans.push_back(f()); } return ans; } std::istream& m_is; }; scanner in; int main() { auto [N, K] = in.tup<int, int>(); auto As = in.vec<int>(N); auto Bs = in.vec<int>(N); auto Pss = in.vvec<int>(N, N); using pii = std::pair<int, int>; auto calc = [&]() -> pii { auto Rs = nd_array<int>({N}, 0); for (const int i : rep(N)) { for (const int j : rep(N)) { Rs[i] += Pss[i][j]; } } auto Cs = nd_array<int>({N}, 0); for (const int j : rep(N)) { for (const int i : rep(N)) { Cs[j] += Pss[i][j]; } } int K = std::accumulate(As.begin(), As.end(), 0); int S = std::accumulate(Rs.begin(), Rs.end(), 0); auto xss = nd_array<ll>({N, N}, 0); int mi = -1, mj = -1; ll max = -inf_v<ll>; for (const int i : rep(N)) { for (const int j : rep(N)) { xss[i][j] = N * N * Pss[i][j] - N * (Rs[i] - As[i]) - N * (Cs[j] - Bs[j]) + (S - K); if (chmax(max, xss[i][j])) { mi = i, mj = j; } } } return {mi, mj}; }; for ([[maybe_unused]] const int _ : rep(K)) { const auto [i, j] = calc(); As[i]--, Bs[j]--, Pss[i][j]--; } ll ans = 0; for (const int i : rep(N)) { for (const int j : rep(N)) { ans += (ll)Pss[i][j] * Pss[i][j]; } } out.ln(ans); return 0; }