結果
問題 | No.738 平らな農地 |
ユーザー | risujiroh |
提出日時 | 2019-04-28 19:36:51 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 767 ms / 2,000 ms |
コード長 | 5,299 bytes |
コンパイル時間 | 1,998 ms |
コンパイル使用メモリ | 184,556 KB |
実行使用メモリ | 55,008 KB |
最終ジャッジ日時 | 2024-05-10 00:20:20 |
合計ジャッジ時間 | 35,199 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 11 ms
6,944 KB |
testcase_06 | AC | 12 ms
6,940 KB |
testcase_07 | AC | 10 ms
6,944 KB |
testcase_08 | AC | 5 ms
6,940 KB |
testcase_09 | AC | 3 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 6 ms
6,940 KB |
testcase_12 | AC | 4 ms
6,944 KB |
testcase_13 | AC | 10 ms
6,944 KB |
testcase_14 | AC | 5 ms
6,944 KB |
testcase_15 | AC | 532 ms
50,424 KB |
testcase_16 | AC | 540 ms
51,080 KB |
testcase_17 | AC | 572 ms
50,944 KB |
testcase_18 | AC | 554 ms
50,020 KB |
testcase_19 | AC | 628 ms
53,832 KB |
testcase_20 | AC | 541 ms
51,340 KB |
testcase_21 | AC | 643 ms
54,196 KB |
testcase_22 | AC | 565 ms
51,472 KB |
testcase_23 | AC | 603 ms
52,516 KB |
testcase_24 | AC | 597 ms
51,604 KB |
testcase_25 | AC | 4 ms
6,940 KB |
testcase_26 | AC | 4 ms
6,940 KB |
testcase_27 | AC | 5 ms
6,940 KB |
testcase_28 | AC | 4 ms
6,944 KB |
testcase_29 | AC | 5 ms
6,948 KB |
testcase_30 | AC | 4 ms
6,944 KB |
testcase_31 | AC | 5 ms
6,940 KB |
testcase_32 | AC | 5 ms
6,944 KB |
testcase_33 | AC | 5 ms
6,944 KB |
testcase_34 | AC | 4 ms
6,944 KB |
testcase_35 | AC | 4 ms
6,944 KB |
testcase_36 | AC | 4 ms
6,944 KB |
testcase_37 | AC | 5 ms
6,944 KB |
testcase_38 | AC | 5 ms
6,940 KB |
testcase_39 | AC | 5 ms
6,944 KB |
testcase_40 | AC | 5 ms
6,944 KB |
testcase_41 | AC | 4 ms
6,940 KB |
testcase_42 | AC | 5 ms
6,940 KB |
testcase_43 | AC | 4 ms
6,944 KB |
testcase_44 | AC | 4 ms
6,940 KB |
testcase_45 | AC | 573 ms
55,004 KB |
testcase_46 | AC | 531 ms
50,336 KB |
testcase_47 | AC | 556 ms
53,172 KB |
testcase_48 | AC | 517 ms
51,468 KB |
testcase_49 | AC | 511 ms
50,948 KB |
testcase_50 | AC | 526 ms
53,048 KB |
testcase_51 | AC | 573 ms
53,696 KB |
testcase_52 | AC | 524 ms
50,948 KB |
testcase_53 | AC | 548 ms
51,992 KB |
testcase_54 | AC | 579 ms
53,828 KB |
testcase_55 | AC | 574 ms
53,568 KB |
testcase_56 | AC | 557 ms
52,908 KB |
testcase_57 | AC | 521 ms
50,032 KB |
testcase_58 | AC | 545 ms
52,520 KB |
testcase_59 | AC | 566 ms
55,008 KB |
testcase_60 | AC | 559 ms
54,356 KB |
testcase_61 | AC | 553 ms
53,960 KB |
testcase_62 | AC | 512 ms
50,552 KB |
testcase_63 | AC | 589 ms
54,876 KB |
testcase_64 | AC | 563 ms
53,960 KB |
testcase_65 | AC | 579 ms
51,172 KB |
testcase_66 | AC | 525 ms
53,044 KB |
testcase_67 | AC | 483 ms
50,552 KB |
testcase_68 | AC | 487 ms
51,872 KB |
testcase_69 | AC | 681 ms
52,784 KB |
testcase_70 | AC | 643 ms
54,488 KB |
testcase_71 | AC | 30 ms
8,208 KB |
testcase_72 | AC | 338 ms
50,424 KB |
testcase_73 | AC | 272 ms
46,924 KB |
testcase_74 | AC | 372 ms
52,784 KB |
testcase_75 | AC | 656 ms
50,164 KB |
testcase_76 | AC | 607 ms
52,120 KB |
testcase_77 | AC | 681 ms
50,036 KB |
testcase_78 | AC | 761 ms
54,348 KB |
testcase_79 | AC | 720 ms
54,616 KB |
testcase_80 | AC | 615 ms
52,520 KB |
testcase_81 | AC | 643 ms
50,820 KB |
testcase_82 | AC | 673 ms
52,912 KB |
testcase_83 | AC | 382 ms
54,880 KB |
testcase_84 | AC | 372 ms
53,304 KB |
testcase_85 | AC | 767 ms
54,488 KB |
testcase_86 | AC | 671 ms
50,164 KB |
testcase_87 | AC | 500 ms
52,340 KB |
testcase_88 | AC | 476 ms
50,292 KB |
testcase_89 | AC | 2 ms
6,944 KB |
testcase_90 | AC | 2 ms
6,940 KB |
testcase_91 | AC | 2 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using lint = long long; template<class T = int> using V = vector<T>; template<class T = int> using VV = V< V<T> >; #pragma GCC target ("avx") struct Bitvector { using T = uint32_t; static constexpr int W = 32; static int popcnt(T x) { return __builtin_popcount(x); } const int n; V<T> b; V<> c; Bitvector(int n) : n(n), b(n / W + 1), c(n / W + 1) {} void set(int i) { b[i / W] |= (T)1 << i % W; } void build() { for (int i = 0; i < n / W; ++i) c[i + 1] = c[i] + popcnt(b[i]); } bool operator[](int i) const { return b[i / W] >> i % W & 1; } int rank(int i) const { return c[i / W] + popcnt(b[i / W] & ~(~(T)0 << i % W)); } int rank(bool v, int i) const { return v ? rank(i) : i - rank(i); } }; template<class T> struct WaveletMatrix { const int n, h; V<Bitvector> b; V<> z; template<class Itr> WaveletMatrix(Itr first, Itr last) : n(distance(first, last)), h(__lg(2 * *max_element(first, last) + 1)), b(h, Bitvector(n)), z(h) { assert(*min_element(first, last) >= 0); V<T> a(first, last), na(n); for (int j = 0; j < h; ++j) { for (int i = 0; i < n; ++i) { if (a[i] >> h + ~j & 1) b[j].set(i); else ++z[j]; } b[j].build(); int p = 0, q = z[j]; for (int i = 0; i < n; ++i) (b[j][i] ? na[q++] : na[p++]) = a[i]; swap(a, na); } } T operator[](int i) const { T res = 0; for (int j = 0; j < h; ++j) { T v = b[j][i]; res |= v << h + ~j; i = v * z[j] + b[j].rank(v, i); } return res; } int rank(int l, int r, T x) const { if (x < 0 or x >= (T)1 << h) return 0; for (int j = 0; j < h; ++j) { int v = x >> h + ~j & 1; l = v * z[j] + b[j].rank(v, l); r = v * z[j] + b[j].rank(v, r); } return r - l; } T kth(int l, int r, int k) const { assert(0 <= k and k < r - l); T res = 0; for (int j = 0; j < h; ++j) { int p = b[j].rank(0, l), q = b[j].rank(0, r); T v = k >= q - p; k -= v * (q - p); res |= v << h + ~j; l = v * z[j] + (v ? l - p : p); r = v * z[j] + (v ? r - q : q); } return res; } T rkth(int l, int r, int k) const { return kth(l, r, r - l + ~k); } int cnt(int l, int r, T x) const { if ((x = max<T>(x, 0)) >= (T)1 << h) return 0; int res = 0; for (int j = 0; j < h; ++j) { int p = b[j].rank(1, l), q = b[j].rank(1, r); int v = x >> h + ~j & 1; res += !v * (q - p); l = v * z[j] + (v ? p : l - p); r = v * z[j] + (v ? q : r - q); } return res + r - l; } int cnt(int l, int r, T x, T y) const { return cnt(l, r, x) - cnt(l, r, y); } }; struct WeightedSegmentTree { using T = lint; static T op(const T& x, const T& y) { return x + y; } static constexpr T e() { return 0; } struct SegmentTree { const int n; V<T> t; SegmentTree(int n) : n(n), t(2 * n, e()) {} T& operator[](int i) { return t[i + n]; } void build() { for (int i = n - 1; i; --i) t[i] = op(t[2 * i], t[2 * i + 1]); } T acc(int l, int r) const { T resl = e(), resr = e(); for (l += n, r += n; l < r; l >>= 1, r >>= 1) { if (l & 1) resl = op(resl, t[l++]); if (r & 1) resr = op(t[--r], resr); } return op(resl, resr); } void set(int i, const T& x) { t[i += n] = x; while (i >>= 1) t[i] = op(t[2 * i], t[2 * i + 1]); } }; const int n, h; V<Bitvector> b; V<> z; V<SegmentTree> st; template<class Itr> WeightedSegmentTree(Itr first, Itr last) : n(distance(first, last)), h(__lg(2 * *max_element(first, last) + 1)), b(h, Bitvector(n)), z(h), st(h + 1, SegmentTree(n)) { assert(*min_element(first, last) >= 0); V<> w(first, last), nw(n); for (int j = 0; j < h; ++j) { for (int i = 0; i < n; ++i) { if (w[i] >> h + ~j & 1) b[j].set(i); else ++z[j]; } b[j].build(); int p = 0, q = z[j]; for (int i = 0; i < n; ++i) (b[j][i] ? nw[q++] : nw[p++]) = w[i]; swap(w, nw); } } T operator[](int i) const {return {st[0].t[i + n]}; } T acc(int l, int r, int x, int y, int j, int s, int t) const { if (y <= s or t <= x) return e(); if (x <= s and t <= y) return st[j].acc(l, r); int m = s + t >> 1, p = b[j].rank(0, l), q = b[j].rank(0, r); return op(acc(p, q, x, y, j + 1, s, m), acc(z[j] + l - p, z[j] + r - q, x, y, j + 1, m, t)); } T acc(int l, int r, int x, int y) const { return acc(l, r, x, y, 0, 0, 1 << h); } void set(int i, T x) { for (int j = 0; j < h; ++j) { st[j].set(i, x); int v = b[j][i]; i = v * z[j] + b[j].rank(v, i); } st[h].set(i, x); } }; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n, k; cin >> n >> k; V<> a(n); for (auto&& e : a) cin >> e; WaveletMatrix<int> wm(begin(a), end(a)); WeightedSegmentTree wst(begin(a), end(a)); for (int i = 0; i < n; ++i) { wst.set(i, a[i]); } lint res = 9e18; for (int l = 0; l + k <= n; ++l) { int r = l + k; lint m = wm.kth(l, r, k / 2); int cl = wm.cnt(l, r, 0, m), cu = wm.cnt(l, r, m, 1 << 30); lint curr = 0; curr += cl * m - wst.acc(l, r, 0, m); curr += wst.acc(l, r, m, 1 << 30) - cu * m; res = min(res, curr); } cout << res << '\n'; }