結果
問題 | No.2332 Make a Sequence |
ユーザー | 👑 emthrm |
提出日時 | 2023-05-28 16:34:19 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,281 bytes |
コンパイル時間 | 3,093 ms |
コンパイル使用メモリ | 262,636 KB |
実行使用メモリ | 20,688 KB |
最終ジャッジ日時 | 2024-06-08 09:38:26 |
合計ジャッジ時間 | 15,417 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | WA | - |
testcase_08 | AC | 26 ms
5,376 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | AC | 158 ms
20,548 KB |
testcase_48 | AC | 155 ms
20,552 KB |
testcase_49 | AC | 151 ms
20,552 KB |
testcase_50 | AC | 150 ms
20,552 KB |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | WA | - |
testcase_57 | AC | 134 ms
20,552 KB |
testcase_58 | AC | 131 ms
20,552 KB |
testcase_59 | AC | 130 ms
20,548 KB |
testcase_60 | AC | 130 ms
20,620 KB |
testcase_61 | AC | 135 ms
20,552 KB |
testcase_62 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #define FOR(i,m,n) for(int i=(m);i<(n);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() using ll = long long; constexpr int INF = 0x3f3f3f3f; constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL; constexpr double EPS = 1e-8; constexpr int MOD = 998244353; // constexpr int MOD = 1000000007; constexpr int DY4[]{1, 0, -1, 0}, DX4[]{0, -1, 0, 1}; constexpr int DY8[]{1, 1, 0, -1, -1, -1, 0, 1}; constexpr int DX8[]{0, -1, -1, -1, 0, 1, 1, 1}; template <typename T, typename U> inline bool chmax(T& a, U b) { return a < b ? (a = b, true) : false; } template <typename T, typename U> inline bool chmin(T& a, U b) { return a > b ? (a = b, true) : false; } struct IOSetup { IOSetup() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << fixed << setprecision(20); } } iosetup; template <typename T> std::vector<int> z_algorithm(const T &s) { const int n = s.size(); std::vector<int> res(n, 0); for (int i = 1, j = 0; i < n; ++i) { if (i + res[i - j] < j + res[j]) { res[i] = res[i - j]; } else { res[i] = std::max(j + res[j] - i, 0); while (i + res[i] < n && s[i + res[i]] == s[res[i]]) ++res[i]; j = i; } } res[0] = n; return res; } template <typename T, bool IS_MINIMIZED = true> struct LiChaoTree { struct Line { T a, b; explicit Line(const T a, const T b) : a(a), b(b) {} T f(const T x) const { return a * x + b; } }; explicit LiChaoTree(const std::vector<T>& xs_, const T inf) : n(1), xs(xs_) { std::sort(xs.begin(), xs.end()); xs.erase(std::unique(xs.begin(), xs.end()), xs.end()); assert(xs.size() > 0); n = std::bit_ceil(xs.size()); const T xs_back = xs.back(); xs.resize(n, xs_back); dat.assign(n << 1, Line(0, inf)); } void add(T a, T b) { if constexpr (!IS_MINIMIZED) { a = -a; b = -b; } Line line(a, b); add(&line, 1, 0, n); } void add(T a, T b, T left, T right) { if constexpr (!IS_MINIMIZED) { a = -a; b = -b; } for (int len = 1, node_l = std::distance( xs.begin(), std::lower_bound(xs.begin(), xs.end(), left)), node_r = std::distance( xs.begin(), std::lower_bound(xs.begin(), xs.end(), right)), l = node_l + n, r = node_r + n; l < r; l >>= 1, r >>= 1, len <<= 1) { if (l & 1) { Line line(a, b); add(&line, l++, node_l, node_l + len); node_l += len; } if (r & 1) { Line line(a, b); node_r -= len; add(&line, --r, node_r, node_r + len); } } } T query(const T x) const { int node = n + std::distance(xs.begin(), std::lower_bound(xs.begin(), xs.end(), x)); T res = dat[node].f(x); while (node >>= 1) { if (dat[node].f(x) < res) res = dat[node].f(x); } return IS_MINIMIZED ? res : -res; } private: int n; std::vector<T> xs; std::vector<Line> dat; void add(Line* line, int node, int left, int right) { const bool flag_l = dat[node].f(xs[left]) <= line->f(xs[left]); const bool flag_r = dat[node].f(xs[right - 1]) <= line->f(xs[right - 1]); if (flag_l && flag_r) return; if (!flag_l && !flag_r) { std::swap(dat[node], *line); return; } const int mid = std::midpoint(left, right); if (line->f(xs[mid]) < dat[node].f(xs[mid])) std::swap(dat[node], *line); if (line->f(xs[left]) <= dat[node].f(xs[left])) { add(line, node << 1, left, mid); } else { add(line, (node << 1) + 1, mid, right); } } }; int main() { int n, m; cin >> n >> m; vector<int> a(n + m + 1, -1), c(m); REP(i, n) cin >> a[i]; REP(i, m) cin >> a[n + 1 + i]; REP(i, m) cin >> c[i]; const vector<int> z = z_algorithm(a); vector<ll> queries(m); iota(ALL(queries), 1); LiChaoTree<ll> li_chao_tree(queries, LINF); vector<ll> dp(m + 1, LINF); dp[0] = 0; REP(i, m + 1) { if (i > 0) chmin(dp[i], li_chao_tree.query(i)); if (i < m) li_chao_tree.add(c[i], dp[i] - i * c[i], i + 1, i + z[n + 1 + i] + 1); } // REP(i, m + 1) cout << dp[i] << " \n"[i == m]; cout << (dp[m] == LINF ? -1 : dp[m]) << '\n'; return 0; }