結果
問題 | No.919 You Are A Project Manager |
ユーザー | kcvlex |
提出日時 | 2019-10-25 23:14:20 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,196 bytes |
コンパイル時間 | 1,745 ms |
コンパイル使用メモリ | 180,112 KB |
実行使用メモリ | 14,520 KB |
最終ジャッジ日時 | 2024-09-13 08:32:22 |
合計ジャッジ時間 | 21,820 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 |
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testcase_00 | TLE | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
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 | TLE | - |
testcase_20 | TLE | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
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testcase_53 | -- | - |
testcase_54 | -- | - |
testcase_55 | -- | - |
testcase_56 | -- | - |
testcase_57 | -- | - |
ソースコード
// #define DEBUGGING #include <bits/stdc++.h> using namespace std; #define endl '\n' #define ALL(V) (V).begin(), (V).end() #define ALLR(V) (V).rbegin(), (V).rend() template <typename T> using V = vector<T>; template <typename T> using VV = V<V<T>>; using ll = int64_t; using ull = uint64_t; using PLL = pair<ll, ll>; template <typename T> const T& var_min(const T &t) { return t; } template <typename T> const T& var_max(const T &t) { return t; } template <typename T, typename... Tail> const T& var_min(const T &t, const Tail&... tail) { return min(t, var_min(tail...)); } template <typename T, typename... Tail> const T& var_max(const T &t, const Tail&... tail) { return max(t, var_max(tail...)); } template <typename T, typename... Tail> void chmin(T &t, const Tail&... tail) { t = var_min(t, tail...); } template <typename T, typename... Tail> void chmax(T &t, const Tail&... tail) { t = var_max(t, tail...); } template <typename T> const T& clamp(const T &t, const T &low, const T &high) { return max(low, min(high, t)); } template <typename T> void chclamp(T &t, const T &low, const T &high) { t = clamp(t, low, high); } namespace init__ { struct InitIO { InitIO() { cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(30); } } init_io; } #ifdef DEBUGGING // #include "../debug/debug.cpp" #include "../../debug/debug.cpp" #else #define DEBUG(...) 0 #define DEBUG_SEPARATOR_LINE 0 #endif template <typename T> T make_v(T init) { return init; } template <typename T, typename... Tail> auto make_v(T init, size_t s, Tail... tail) { #define rec make_v(init, tail...) return V<decltype(rec)>(s, rec); #undef rec } const ll inf = 5e15; const size_t size = 1e4 + 10; ll left_max[size], right_max[size]; VV<PLL> calc(const V<ll> &B) { ll N = B.size(); VV<PLL> clis(N); for(ll i = 0; i < N; i++) { priority_queue<ll> min_pq; priority_queue<ll, V<ll>, greater<ll>> max_pq; // poped from min_value to max_value min_pq.push(-inf); max_pq.push(inf); for(ll j = 0; i + j < N; j++) { ll pre = i; ll num = j + 1; if(i && pre < j) break; { ll e = B[i + j]; ll tmp; if((max_pq.size() + min_pq.size()) % 2 == 0) { tmp = max_pq.top(); max_pq.pop(); } else { tmp = min_pq.top(); min_pq.pop(); } DEBUG(tmp); max_pq.push(max(tmp, e)); min_pq.push(min(tmp, e)); DEBUG(make_tuple(max_pq.size(),min_pq.size())); } if(pre % num) continue; // DEBUG(max_pq.size()); // DEBUG(make_tuple(i, clis.size(), num, max_pq.top())); clis[i].emplace_back(num, min_pq.top()); } } return clis; } int main() { ll N; cin >> N; V<ll> B(N); for(auto &&ele : B) cin >> ele; auto from_left = calc(B); reverse(ALL(B)); auto from_right = calc(B); reverse(ALL(B)); return 0; ll ans = 0; for(ll K = 1; K <= N; K++) { { left_max[0] = 0; ll cur = 0; for(ll i = 1; i * K < N; i++) { ll from = (i - 1) * K; auto ite = lower_bound(ALL(from_left[from]), PLL(K, -inf)); cur += ite->second; left_max[i] = max(left_max[i - 1], cur); } } { right_max[0] = 0; ll cur = 0; for(ll i = 1; i * K < N; i++) { ll from = (i - 1) * K; auto ite = lower_bound(ALL(from_right[from]), PLL(K, -inf)); cur += ite->second; right_max[i] = max(right_max[i - 1], cur); } } for(ll left = 0; left * K <= N; left++) { ll rest = N - left * K; ll tmp = left_max[left] + right_max[rest / K]; DEBUG(make_tuple(K, left, rest, left_max[left], right_max[rest/K], tmp * K)); chmax(ans, tmp * K); } } cout << ans << endl; return 0; }