結果
問題 | No.704 ゴミ拾い Medium |
ユーザー | gyouzasushi |
提出日時 | 2022-05-25 10:12:00 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 302 ms / 1,500 ms |
コード長 | 4,834 bytes |
コンパイル時間 | 2,088 ms |
コンパイル使用メモリ | 205,572 KB |
実行使用メモリ | 17,644 KB |
最終ジャッジ日時 | 2024-09-20 14:42:35 |
合計ジャッジ時間 | 10,769 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 6 ms
8,268 KB |
testcase_01 | AC | 6 ms
8,168 KB |
testcase_02 | AC | 6 ms
8,268 KB |
testcase_03 | AC | 5 ms
8,144 KB |
testcase_04 | AC | 5 ms
8,144 KB |
testcase_05 | AC | 5 ms
8,272 KB |
testcase_06 | AC | 6 ms
8,272 KB |
testcase_07 | AC | 5 ms
8,272 KB |
testcase_08 | AC | 5 ms
8,148 KB |
testcase_09 | AC | 6 ms
8,272 KB |
testcase_10 | AC | 4 ms
8,268 KB |
testcase_11 | AC | 5 ms
8,144 KB |
testcase_12 | AC | 5 ms
8,140 KB |
testcase_13 | AC | 6 ms
8,148 KB |
testcase_14 | AC | 6 ms
8,172 KB |
testcase_15 | AC | 6 ms
8,300 KB |
testcase_16 | AC | 7 ms
8,172 KB |
testcase_17 | AC | 6 ms
8,172 KB |
testcase_18 | AC | 6 ms
8,176 KB |
testcase_19 | AC | 6 ms
8,300 KB |
testcase_20 | AC | 6 ms
8,300 KB |
testcase_21 | AC | 7 ms
8,268 KB |
testcase_22 | AC | 7 ms
8,172 KB |
testcase_23 | AC | 7 ms
8,300 KB |
testcase_24 | AC | 293 ms
17,516 KB |
testcase_25 | AC | 286 ms
17,516 KB |
testcase_26 | AC | 293 ms
17,644 KB |
testcase_27 | AC | 283 ms
17,512 KB |
testcase_28 | AC | 302 ms
17,520 KB |
testcase_29 | AC | 289 ms
17,520 KB |
testcase_30 | AC | 288 ms
17,516 KB |
testcase_31 | AC | 287 ms
17,516 KB |
testcase_32 | AC | 285 ms
17,640 KB |
testcase_33 | AC | 281 ms
17,644 KB |
testcase_34 | AC | 229 ms
17,644 KB |
testcase_35 | AC | 231 ms
17,520 KB |
testcase_36 | AC | 232 ms
17,644 KB |
testcase_37 | AC | 234 ms
17,644 KB |
testcase_38 | AC | 234 ms
17,520 KB |
testcase_39 | AC | 233 ms
17,484 KB |
testcase_40 | AC | 237 ms
17,520 KB |
testcase_41 | AC | 240 ms
17,644 KB |
testcase_42 | AC | 240 ms
17,516 KB |
testcase_43 | AC | 249 ms
17,516 KB |
testcase_44 | AC | 6 ms
8,144 KB |
testcase_45 | AC | 5 ms
8,264 KB |
testcase_46 | AC | 294 ms
17,516 KB |
testcase_47 | AC | 281 ms
17,644 KB |
ソースコード
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, n) for (int i = (int)(n - 1); i >= 0; i--) #define all(x) (x).begin(), (x).end() #define sz(x) int(x.size()) using namespace std; using ll = long long; const int INF = 1e9; const ll LINF = 1e18; template <class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } template <class T> vector<T> make_vec(size_t a) { return vector<T>(a); } template <class T, class... Ts> auto make_vec(size_t a, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...)); } template <typename T> istream& operator>>(istream& is, vector<T>& v) { for (int i = 0; i < int(v.size()); i++) { is >> v[i]; } return is; } template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) { for (int i = 0; i < int(v.size()); i++) { os << v[i]; if (i < int(v.size()) - 1) os << ' '; } return os; } #pragma region SegmentTree template <class S, S (*op)(S, S), S (*e)()> struct SegmentTree { public: SegmentTree() : SegmentTree(0) { } SegmentTree(int n) : SegmentTree(std::vector<S>(n, e())) { } SegmentTree(const std::vector<S>& v) : _n(int(v.size())) { log = ceil_pow2(_n); size = 1 << log; d = std::vector<S>(2 * size, e()); 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; d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } S get(int p) { assert(0 <= p && p < _n); return d[p + size]; } S prod(int l, int r) { assert(0 <= l && l <= r && r <= _n); S sml = e(), smr = e(); l += size; r += size; 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]; } template <bool (*f)(S)> int max_right(int l) { return max_right(l, [](S x) { return f(x); }); } template <class F> int max_right(int l, F f) { assert(0 <= l && l <= _n); assert(f(e())); if (l == _n) return _n; l += size; S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!f(op(sm, d[l]))) { while (l < size) { l = (2 * l); if (f(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 (*f)(S)> int min_left(int r) { return min_left(r, [](S x) { return f(x); }); } template <class F> int min_left(int r, F f) { assert(0 <= r && r <= _n); assert(f(e())); if (r == 0) return 0; r += size; S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!f(op(d[r], sm))) { while (r < size) { r = (2 * r + 1); if (f(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; int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } }; #pragma endregion using S = ll; S op(S a, S b) { return min(a, b); } S e() { return LINF; } int main() { int n; cin >> n; vector<ll> a(n), x(n), y(n); cin >> a >> x >> y; vector<ll> dp(n + 1, LINF); dp[0] = 0; SegmentTree<S, op, e> large_x(100100), small_x(100100); rep(i, n) { { ll val = large_x.get(x[i]); chmin(val, dp[i] + y[i] + x[i]); large_x.set(x[i], val); chmin(dp[i + 1], large_x.prod(a[i], 100100) - a[i]); } { ll val = small_x.get(x[i]); chmin(val, dp[i] + y[i] - x[i]); small_x.set(x[i], val); chmin(dp[i + 1], small_x.prod(0, a[i]) + a[i]); } } cout << dp[n] << '\n'; }