結果
問題 | No.2300 Substring OR Sum |
ユーザー | sten_san |
提出日時 | 2023-05-12 21:46:27 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 109 ms / 2,000 ms |
コード長 | 3,314 bytes |
コンパイル時間 | 1,949 ms |
コンパイル使用メモリ | 205,296 KB |
実行使用メモリ | 8,140 KB |
最終ジャッジ日時 | 2024-05-06 11:33:53 |
合計ジャッジ時間 | 3,781 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 1 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 30 ms
5,376 KB |
testcase_04 | AC | 26 ms
5,376 KB |
testcase_05 | AC | 31 ms
5,376 KB |
testcase_06 | AC | 16 ms
5,376 KB |
testcase_07 | AC | 109 ms
8,124 KB |
testcase_08 | AC | 49 ms
5,376 KB |
testcase_09 | AC | 35 ms
5,376 KB |
testcase_10 | AC | 93 ms
7,532 KB |
testcase_11 | AC | 101 ms
7,904 KB |
testcase_12 | AC | 108 ms
8,140 KB |
testcase_13 | AC | 35 ms
5,376 KB |
testcase_14 | AC | 24 ms
5,376 KB |
testcase_15 | AC | 50 ms
5,492 KB |
testcase_16 | AC | 90 ms
7,668 KB |
testcase_17 | AC | 105 ms
8,100 KB |
testcase_18 | AC | 1 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; struct iofast_t { iofast_t() { ios::sync_with_stdio(false); cin.tie(nullptr); } } iofast; struct uns_t {} uns; template <typename Element, typename Head, typename ...Args> auto vec(Element init, Head arg, Args ...args) { if constexpr (sizeof...(Args) == 0) return vector(arg, init); else return vector(arg, vec(init, args...)); } template <typename Element, typename Head, typename ...Args> auto vec(uns_t, Head arg, Args ...args) { return vec(Element(), arg, args...); } template <typename Container> auto distance(const Container &c, decltype(begin(c)) iter) { return distance(begin(c), iter); } template <typename RIter, typename Compare = less<typename iterator_traits<RIter>::value_type>> auto isort(RIter first, RIter last, Compare comp = Compare()) { vector<int> i(distance(first, last)); iota(begin(i), end(i), 0); sort(begin(i), end(i), [&](auto x, auto y) { return comp(*(first + x), *(first + y)); }); return i; } template <typename, template <typename> typename, typename = void_t<>> struct detect : false_type {}; template <typename T, template <typename> typename Check> struct detect<T, Check, void_t<Check<T>>> : true_type {}; template <typename T, template <typename> typename Check> constexpr inline bool detect_v = detect<T, Check>::value; template <typename T> using has_member_sort = decltype(declval<T>().sort()); template <typename Container, typename Compare = less<typename Container::value_type>> auto sorted(Container c, Compare comp = Compare()) { if constexpr (detect_v<Container, has_member_sort>) { c.sort(comp); return c; } else { sort(begin(c), end(c), comp); return c; } } template <typename Container, typename Compare = equal_to<typename Container::value_type>> auto uniqued(Container c, Compare comp = Compare()) { c.erase(unique(begin(c), end(c), comp), end(c)); return c; } template <typename T, typename Compare = less<T>> T &chmin(T &l, T r, Compare &&f = less<T>()) { return l = min(l, r, f); } template <typename T, typename Compare = less<T>> T &chmax(T &l, T r, Compare &&f = less<T>()) { return l = max(l, r, f); } template <typename F> constexpr auto fix(F &&f) noexcept { return [f = std::tuple<F>(std::forward<F>(f))](auto &&...args) mutable { return std::get<0>(f)(fix(std::get<0>(f)), std::forward<decltype(args)>(args)...); }; } int main() { constexpr auto log2 = 28; int64_t n; cin >> n; auto a = vec<int64_t>(uns, n); for (auto &e : a) cin >> e; int64_t ans = 0; for (int i = 0; i < log2; ++i) { auto get = [&](int k) { return !!(a[k] & (1 << i)); }; auto r = vec<array<int64_t, 2>>(uns, 0); int p = -1; for (int j = 0; j < n; ++j) { if (p != get(j)) { r.push_back({ get(j), 0 }); } ++r.back()[1]; p = get(j); } int64_t neq = 0; for (auto [x, y] : r) { if (x == 1) { continue; } neq += y * (y - 1) / 2; } ans += (1 << i) * (n * (n - 1) / 2 - neq); } ans += accumulate(begin(a), end(a), int64_t(0)); cout << ans << endl; }