結果
問題 | No.1247 ブロック登り |
ユーザー | hitonanode |
提出日時 | 2020-10-03 03:28:01 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,847 bytes |
コンパイル時間 | 2,518 ms |
コンパイル使用メモリ | 222,220 KB |
実行使用メモリ | 689,160 KB |
最終ジャッジ日時 | 2024-07-18 04:01:13 |
合計ジャッジ時間 | 7,115 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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
13,756 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | MLE | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
ソースコード
#include <bits/stdc++.h> using namespace std; using lint = long long; using pint = pair<int, int>; using plint = pair<lint, lint>; struct fast_ios { fast_ios() { cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); }; } fast_ios_; #define FOR(i, begin, end) for (int i = (begin), i##_end_ = (end); i < i##_end_; i++) #define IFOR(i, begin, end) for (int i = (end)-1, i##_begin_ = (begin); i >= i##_begin_; i--) #define REP(i, n) FOR(i, 0, n) #define IREP(i, n) IFOR(i, 0, n) #define ALL(x) (x).begin(), (x).end() // template <typename T, typename V> void ndarray(vector<T>& vec, const V& val, int len) { vec.assign(len, val); } template <typename T, typename V, typename... Args> void ndarray(vector<T>& vec, const V& val, int len, Args... args) { vec.resize(len), for_each(begin(vec), end(vec), [&](T& v) { ndarray(v, val, args...); }); } template <typename T> bool chmax(T& m, const T q) { return m < q ? (m = q, true) : false; } template <typename T> bool chmin(T& m, const T q) { return m > q ? (m = q, true) : false; } template <typename T1, typename T2> pair<T1, T2> operator+(const pair<T1, T2>& l, const pair<T1, T2>& r) { return make_pair(l.first + r.first, l.second + r.second); } template <typename T1, typename T2> pair<T1, T2> operator-(const pair<T1, T2>& l, const pair<T1, T2>& r) { return make_pair(l.first - r.first, l.second - r.second); } template <typename T> vector<T> srtunq(vector<T> vec) { return sort(vec.begin(), vec.end()), vec.erase(unique(vec.begin(), vec.end()), vec.end()), vec; } template <typename T> istream& operator>>(istream& is, vector<T>& vec) { return for_each(begin(vec), end(vec), [&](T& v) { is >> v; }), is; } // output template <typename T, typename V> ostream& dmpseq(ostream&, const T&, const string&, const string&, const string&); #if __cplusplus >= 201703L template <typename... T> ostream& operator<<(ostream& os, const tuple<T...>& tpl) { return apply([&os](auto&&... args) { ((os << args << ','), ...); }, tpl), os; } #endif // template <typename T1, typename T2> ostream& operator<<(ostream& os, const pair<T1, T2>& p) { return os << '(' << p.first << ',' << p.second << ')'; } template <typename T> ostream& operator<<(ostream& os, const vector<T>& x) { return dmpseq<vector<T>, T>(os, x, "[", ",", "]"); } template <typename T> ostream& operator<<(ostream& os, const deque<T>& x) { return dmpseq<deque<T>, T>(os, x, "deq[", ",", "]"); } template <typename T> ostream& operator<<(ostream& os, const set<T>& x) { return dmpseq<set<T>, T>(os, x, "{", ",", "}"); } template <typename T, typename TH> ostream& operator<<(ostream& os, const unordered_set<T, TH>& x) { return dmpseq<unordered_set<T, TH>, T>(os, x, "{", ",", "}"); } template <typename T> ostream& operator<<(ostream& os, const multiset<T>& x) { return dmpseq<multiset<T>, T>(os, x, "{", ",", "}"); } template <typename TK, typename T> ostream& operator<<(ostream& os, const map<TK, T>& x) { return dmpseq<map<TK, T>, pair<TK, T>>(os, x, "{", ",", "}"); } template <typename TK, typename T, typename TH> ostream& operator<<(ostream& os, const unordered_map<TK, T, TH>& x) { return dmpseq<unordered_map<TK, T, TH>, pair<TK, T>>(os, x, "{", ",", "}"); } template <typename T, typename V> ostream& dmpseq(ostream& os, const T& seq, const string& pre, const string& sp, const string& suf) { return os << pre, for_each(begin(seq), end(seq), [&](V x) { os << x << sp; }), os << suf; } template <typename T> void print(const vector<T>& x) { dmpseq<vector<T>, T>(cout, x, "", " ", "\n"); } #ifdef HITONANODE_LOCAL #define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl #else #define dbg(x) {} #endif vector<int> solve(int N, int K, const vector<int> A) { vector<int> ret(N, -2e9); vector<vector<int>> matl(N, vector<int>(K + 1, -2e9)); vector<vector<int>> matr(N, vector<int>(K + 1, -2e9)); REP(i, N) { int cost = K * A[i]; FOR(j, i + 1, N) { int h = K - (j - i); if (h < 0) continue; cost += h * A[j]; int tmp = cost; chmax(matr[j][h], tmp); if (K - 2 * (j - i) >= 0) chmax(matl[i][K - 2 * (j - i)], tmp); vector<vector<int>> Begin(N), End(N); int l = max(i, j - h), r = j; assert(l <= r); if (abs(i - l) % 2 != K % 2) l++; if (abs(i - r) % 2 != K % 2) r--; Begin[l].emplace_back(tmp), End[r].emplace_back(tmp); IREP(k, i) { int h = K - (j - i) - (j - k); if (h < 0) break; tmp += h * A[k]; chmax(matl[k][h], tmp); if (h - (j - k) >= 0) chmax(matr[j][h - (j - k)], tmp); int l = k, r = min(k + h, j); if (abs(i - l) % 2 != K % 2) l++; if (abs(i - r) % 2 != K % 2) r--; assert(l <= r); Begin[l].emplace_back(tmp), End[r].emplace_back(tmp); } vector<multiset<int>> ms(2); REP(i, N) { ms[i % 2].insert(Begin[i].begin(), Begin[i].end()); if (ms[i % 2].size()) chmax(ret[i], *prev(ms[i % 2].end())); for (auto x : End[i]) { ms[i % 2].erase(ms[i % 2].lower_bound(x)); } } } } REP(i, N) REP(j, N) if (abs(i - j) % 2 == K % 2) { int cost = 0; if (j <= i) { FOR(s, j + 1, i) { cost += A[s] * (i - s); } } else { FOR(s, i, j) { cost += A[s] * (s - i); } } int hd = abs(i - j); FOR(k, hd, K + 1) if (hd % 2 == k % 2) { if (j <= i) chmax(ret[i], cost + matr[j][k]); else chmax(ret[i], cost + matl[j][k]); } } return ret; } int main() { int N, K; cin >> N >> K; vector<int> A(N); cin >> A; constexpr int INF = 2e9; vector dpl(N, vector(N, vector(K + 1, -INF))); vector dpr(N, vector(N, vector(K + 1, -INF))); REP(i, N) dpl[i][i][K] = dpr[i][i][K] = A[i] * K; IFOR(k, 1, K + 1) { REP(l, N) FOR(r, l, N) if (dpl[l][r][k] > -INF) { if (l) chmax(dpl[l - 1][r][k - 1], dpl[l][r][k] + A[l - 1] * (k - 1)); if (r + 1 < N and k - (r - l) - 1 >= 0) chmax(dpr[l][r + 1][k - (r - l) - 1], dpl[l][r][k] + A[r + 1] * (k - (r - l) - 1)); } REP(l, N) FOR(r, l, N) if (dpr[l][r][k] > -INF) { if (r + 1 < N) chmax(dpr[l][r + 1][k - 1], dpr[l][r][k] + A[r + 1] * (k - 1)); if (l and k - (r - l) - 1 >= 0) chmax(dpl[l - 1][r][k - (r - l) - 1], dpr[l][r][k] + A[l - 1] * (k - (r - l) - 1)); } } vector<vector<int>> Begin(N), End(N); REP(l, N) FOR(r, l, N) REP(k, K) { int L = l, R = min(r, l + k); if (k % 2) L++; if (k % 2 != (R - l) % 2) R--; if (L <= R) { Begin[L].emplace_back(dpl[l][r][k]); End[R].emplace_back(dpl[l][r][k]); } } REP(l, N) FOR(r, l, N) REP(k, K) { int R = r, L = max(l, r - k); if (k % 2) R--; if (k % 2 != (r - L) % 2) L++; if (L <= R) { Begin[L].emplace_back(dpr[l][r][k]); End[R].emplace_back(dpr[l][r][k]); } } vector<multiset<int>> ms(2); REP(i, N) { int ret = -INF; ms[i % 2].insert(Begin[i].begin(), Begin[i].end()); if (ms[i % 2].size()) chmax(ret, *prev(ms[i % 2].end())); for (auto x : End[i]) { ms[i % 2].erase(ms[i % 2].lower_bound(x)); } cout << ret << endl; } }