結果
問題 | No.1148 土偶Ⅲ |
ユーザー | sten_san |
提出日時 | 2023-02-27 12:26:34 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 67 ms / 2,000 ms |
コード長 | 3,672 bytes |
コンパイル時間 | 2,346 ms |
コンパイル使用メモリ | 214,900 KB |
実行使用メモリ | 9,472 KB |
最終ジャッジ日時 | 2024-09-14 20:46:29 |
合計ジャッジ時間 | 4,976 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 19 ms
5,588 KB |
testcase_06 | AC | 62 ms
9,472 KB |
testcase_07 | AC | 38 ms
7,552 KB |
testcase_08 | AC | 50 ms
8,832 KB |
testcase_09 | AC | 51 ms
8,704 KB |
testcase_10 | AC | 21 ms
5,632 KB |
testcase_11 | AC | 50 ms
8,576 KB |
testcase_12 | AC | 4 ms
5,376 KB |
testcase_13 | AC | 7 ms
5,376 KB |
testcase_14 | AC | 5 ms
5,376 KB |
testcase_15 | AC | 36 ms
7,040 KB |
testcase_16 | AC | 13 ms
5,376 KB |
testcase_17 | AC | 57 ms
9,216 KB |
testcase_18 | AC | 3 ms
5,376 KB |
testcase_19 | AC | 22 ms
5,760 KB |
testcase_20 | AC | 29 ms
6,528 KB |
testcase_21 | AC | 22 ms
5,760 KB |
testcase_22 | AC | 5 ms
5,376 KB |
testcase_23 | AC | 9 ms
5,376 KB |
testcase_24 | AC | 15 ms
5,376 KB |
testcase_25 | AC | 17 ms
5,376 KB |
testcase_26 | AC | 67 ms
5,760 KB |
testcase_27 | AC | 8 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)...); }; } #include <atcoder/segtree> constexpr auto inf = INT_MAX / 4; int op(int x, int y) { return min(x, y); } int elem() { return inf; } using segtree = atcoder::segtree<int, op, elem>; int main() { int n, w; cin >> n >> w; auto a = vec<int>(uns, n); for (auto &e : a) cin >> e; auto acc = vec<int64_t>(uns, n + 1); acc[0] = 0; for (int i = 0; i < n; ++i) { acc[i + 1] = acc[i] + a[i]; } segtree seg([&]() { map<int, optional<int>> last; auto r = vec<int>(uns, n); for (int i = n - 1; 0 <= i; --i) { r[i] = last[a[i]].value_or(n); last[a[i]] = i; } return r; }()); auto check = [&](int m) { for (int i = 0; i + m <= n; ++i) { if (w < acc[i + m] - acc[i]) { continue; } if (seg.prod(i, i + m) < i + m) { continue; } return true; } return false; }; int l = 0, r = n + 1; while (1 < r - l) { int m = l + (r - l) / 2; if (check(m)) { l = m; } else { r = m; } } cout << l << endl; }