結果
問題 | No.489 株に挑戦 |
ユーザー | snrnsidy |
提出日時 | 2021-07-04 02:09:51 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 109 ms / 1,000 ms |
コード長 | 8,246 bytes |
コンパイル時間 | 2,210 ms |
コンパイル使用メモリ | 212,932 KB |
実行使用メモリ | 57,856 KB |
最終ジャッジ日時 | 2024-06-30 17:48:35 |
合計ジャッジ時間 | 5,355 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 | 85 ms
56,700 KB |
testcase_01 | AC | 59 ms
53,884 KB |
testcase_02 | AC | 19 ms
50,196 KB |
testcase_03 | AC | 18 ms
50,216 KB |
testcase_04 | AC | 19 ms
50,200 KB |
testcase_05 | AC | 20 ms
50,184 KB |
testcase_06 | AC | 18 ms
50,352 KB |
testcase_07 | AC | 19 ms
50,260 KB |
testcase_08 | AC | 18 ms
50,300 KB |
testcase_09 | AC | 19 ms
50,384 KB |
testcase_10 | AC | 19 ms
50,200 KB |
testcase_11 | AC | 19 ms
50,228 KB |
testcase_12 | AC | 20 ms
50,204 KB |
testcase_13 | AC | 19 ms
50,284 KB |
testcase_14 | AC | 19 ms
50,376 KB |
testcase_15 | AC | 22 ms
50,696 KB |
testcase_16 | AC | 100 ms
57,016 KB |
testcase_17 | AC | 28 ms
51,032 KB |
testcase_18 | AC | 59 ms
53,764 KB |
testcase_19 | AC | 51 ms
53,376 KB |
testcase_20 | AC | 98 ms
57,216 KB |
testcase_21 | AC | 35 ms
51,820 KB |
testcase_22 | AC | 24 ms
50,792 KB |
testcase_23 | AC | 62 ms
54,016 KB |
testcase_24 | AC | 108 ms
57,856 KB |
testcase_25 | AC | 18 ms
50,348 KB |
testcase_26 | AC | 86 ms
57,724 KB |
testcase_27 | AC | 109 ms
57,856 KB |
testcase_28 | AC | 20 ms
50,208 KB |
testcase_29 | AC | 19 ms
50,272 KB |
testcase_30 | AC | 105 ms
57,724 KB |
testcase_31 | AC | 87 ms
57,856 KB |
testcase_32 | AC | 64 ms
53,964 KB |
testcase_33 | AC | 105 ms
57,472 KB |
testcase_34 | AC | 95 ms
57,084 KB |
testcase_35 | AC | 49 ms
53,244 KB |
testcase_36 | AC | 29 ms
51,052 KB |
testcase_37 | AC | 63 ms
54,016 KB |
ソースコード
#include <bits/stdc++.h> namespace atcoder { namespace internal { // @param n `0 <= n` // @return minimum non-negative `x` s.t. `n <= 2**x` int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } // @param n `1 <= n` // @return minimum non-negative `x` s.t. `(n & (1 << x)) != 0` int bsf(unsigned int n) { #ifdef _MSC_VER unsigned long index; _BitScanForward(&index, n); return index; #else return __builtin_ctz(n); #endif } } // namespace internal } // namespace atcoder namespace atcoder { template <class S, S(*op)(S, S), S(*e)(), class F, S(*mapping)(F, S), F(*composition)(F, F), F(*id)()> struct lazy_segtree { public: lazy_segtree() : lazy_segtree(0) {} explicit lazy_segtree(int n) : lazy_segtree(std::vector<S>(n, e())) {} explicit lazy_segtree(const std::vector<S>& v) : _n(int(v.size())) { log = internal::ceil_pow2(_n); size = 1 << log; d = std::vector<S>(2 * size, e()); lz = std::vector<F>(size, id()); for (int i = 0; i < _n; i++) d[size + i] = v[i]; for (int i = size - 1; i >= 1; i--) { update(i); } } void set(int p, S x) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } S get(int p) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); return d[p]; } S prod(int l, int r) { assert(0 <= l && l <= r && r <= _n); if (l == r) return e(); l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push((r - 1) >> i); } S sml = e(), smr = e(); while (l < r) { if (l & 1) sml = op(sml, d[l++]); if (r & 1) smr = op(d[--r], smr); l >>= 1; r >>= 1; } return op(sml, smr); } S all_prod() { return d[1]; } void apply(int p, F f) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = mapping(f, d[p]); for (int i = 1; i <= log; i++) update(p >> i); } void apply(int l, int r, F f) { assert(0 <= l && l <= r && r <= _n); if (l == r) return; l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push((r - 1) >> i); } { int l2 = l, r2 = r; while (l < r) { if (l & 1) all_apply(l++, f); if (r & 1) all_apply(--r, f); l >>= 1; r >>= 1; } l = l2; r = r2; } for (int i = 1; i <= log; i++) { if (((l >> i) << i) != l) update(l >> i); if (((r >> i) << i) != r) update((r - 1) >> i); } } template <bool (*g)(S)> int max_right(int l) { return max_right(l, [](S x) { return g(x); }); } template <class G> int max_right(int l, G g) { assert(0 <= l && l <= _n); assert(g(e())); if (l == _n) return _n; l += size; for (int i = log; i >= 1; i--) push(l >> i); S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!g(op(sm, d[l]))) { while (l < size) { push(l); l = (2 * l); if (g(op(sm, d[l]))) { sm = op(sm, d[l]); l++; } } return l - size; } sm = op(sm, d[l]); l++; } while ((l & -l) != l); return _n; } template <bool (*g)(S)> int min_left(int r) { return min_left(r, [](S x) { return g(x); }); } template <class G> int min_left(int r, G g) { assert(0 <= r && r <= _n); assert(g(e())); if (r == 0) return 0; r += size; for (int i = log; i >= 1; i--) push((r - 1) >> i); S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!g(op(d[r], sm))) { while (r < size) { push(r); r = (2 * r + 1); if (g(op(d[r], sm))) { sm = op(d[r], sm); r--; } } return r + 1 - size; } sm = op(d[r], sm); } while ((r & -r) != r); return 0; } private: int _n, size, log; std::vector<S> d; std::vector<F> lz; void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } void all_apply(int k, F f) { d[k] = mapping(f, d[k]); if (k < size) lz[k] = composition(f, lz[k]); } void push(int k) { all_apply(2 * k, lz[k]); all_apply(2 * k + 1, lz[k]); lz[k] = id(); } }; } // namespace atcoder using namespace std; using namespace atcoder; using S = long long; using F = long long; S op(S a, S b) { return min(a, b); } S e() { return 1e18; } S mapping(F f, S x) { return min(f, x); } F composition(F f, F g) { return min(f, g); } F id() { return 1e18; } set <long long int> s[1000005]; int main(void) { cin.tie(0); ios::sync_with_stdio(false); long long n, d, k, x; long long int res = 0; long long int a = 0, b = 0; cin >> n >> d >> k; atcoder::lazy_segtree <S, op, e, F, mapping, composition, id> seg(n); for (int i = 0; i < n; i++) { cin >> x; if (i>=1) { int L = max(0LL, i - d); long long int val = seg.prod(L, i); if (val < x) { auto it = s[val].lower_bound(L); int idx1 = *it; int idx2 = i; if (res < x - val) { res = x - val; a = idx1; b = idx2; } else if (res == x - val) { if (idx1 < a) { a = idx1; b = idx2; } else if (idx1==a && idx2 < b) { a = idx1; b = idx2; } } } } seg.apply(i, i + 1, x); s[x].insert(i); } if (res == 0) { cout << 0 << '\n'; } else { cout << res * k << '\n'; cout << a << ' ' << b << '\n'; } return 0; }