結果
問題 | No.1188 レベルX門松列 |
ユーザー | FF256grhy |
提出日時 | 2020-08-22 15:38:24 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 169 ms / 2,000 ms |
コード長 | 6,602 bytes |
コンパイル時間 | 2,444 ms |
コンパイル使用メモリ | 221,020 KB |
実行使用メモリ | 9,728 KB |
最終ジャッジ日時 | 2024-10-15 09:51:12 |
合計ジャッジ時間 | 4,733 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
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 | 40 ms
6,816 KB |
testcase_01 | AC | 121 ms
7,168 KB |
testcase_02 | AC | 109 ms
7,040 KB |
testcase_03 | AC | 147 ms
7,680 KB |
testcase_04 | AC | 119 ms
9,728 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 25 ms
6,816 KB |
testcase_07 | AC | 112 ms
7,808 KB |
testcase_08 | AC | 112 ms
7,808 KB |
testcase_09 | AC | 2 ms
6,820 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 13 ms
6,820 KB |
testcase_12 | AC | 12 ms
6,820 KB |
testcase_13 | AC | 13 ms
6,816 KB |
testcase_14 | AC | 94 ms
6,816 KB |
testcase_15 | AC | 169 ms
9,600 KB |
testcase_16 | AC | 4 ms
6,816 KB |
testcase_17 | AC | 129 ms
9,088 KB |
testcase_18 | AC | 2 ms
6,816 KB |
testcase_19 | AC | 121 ms
9,216 KB |
testcase_20 | AC | 2 ms
6,820 KB |
testcase_21 | AC | 2 ms
6,820 KB |
testcase_22 | AC | 2 ms
6,816 KB |
testcase_23 | AC | 2 ms
6,820 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using LL = long long int; // テンプレテスト中 #define incII(i, l, r) for(LL i = (l) ; i <= (r); i++) #define incID(i, l, r) for(LL i = (l) ; i < (r); i++) #define incCI(i, l, r) for(LL i = (l) + 1; i <= (r); i++) #define incCD(i, l, r) for(LL i = (l) + 1; i < (r); i++) #define decII(i, l, r) for(LL i = (r) ; i >= (l); i--) #define decID(i, l, r) for(LL i = (r) - 1; i >= (l); i--) #define decCI(i, l, r) for(LL i = (r) ; i > (l); i--) #define decCD(i, l, r) for(LL i = (r) - 1; i > (l); i--) #define inc(i, n) incID(i, 0, n) #define dec(i, n) decID(i, 0, n) #define inc1(i, n) incII(i, 1, n) #define dec1(i, n) decII(i, 1, n) auto inII = [](auto v, auto l, auto r) { return (l <= v && v <= r); }; auto inID = [](auto v, auto l, auto r) { return (l <= v && v < r); }; auto inCI = [](auto v, auto l, auto r) { return (l < v && v <= r); }; auto inCD = [](auto v, auto l, auto r) { return (l < v && v < r); }; #define PB push_back #define EB emplace_back #define MP make_pair #define MT make_tuple #define FI first #define SE second #define FR front() #define BA back() #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() auto setmin = [](auto & a, auto b) { return (b < a ? a = b, true : false); }; auto setmax = [](auto & a, auto b) { return (b > a ? a = b, true : false); }; auto setmineq = [](auto & a, auto b) { return (b <= a ? a = b, true : false); }; auto setmaxeq = [](auto & a, auto b) { return (b >= a ? a = b, true : false); }; #define SC static_cast #define SI(v) SC<int>(v.size()) #define SL(v) SC<LL >(v.size()) #define RF(e, v) for(auto & e: v) #define until(e) while(! (e)) #define if_not(e) if(! (e)) #define ef else if #define UR assert(false) #define CT continue #define RV(v) reverse(ALL(v)) auto * IS = & cin; // input elements (as a tuple) template<typename U, int I> void in_(U & t) { } template<typename U, int I, typename A, typename ... B> void in_(U & t) { (* IS) >> get<I>(t); in_<U, I + 1, B ...>(t); } template<typename ... T> auto in() { tuple<T ...> t; in_<tuple<T ...>, 0, T ...>(t); return t; } // input an array template<typename T, int N> auto ain() { array<T, N> a; inc(i, N) { (* IS) >> a[i]; } return a; } // input a (multi-dimensional) vector template<typename T> T vin() { T v; (* IS) >> v; return v; } template<typename T, typename N, typename ... M> auto vin(N n, M ... m) { vector<decltype(vin<T, M ...>(m ...))> v(n); inc(i, n) { v[i] = vin<T, M ...>(m ...); } return v; } // input multi-column (as a tuple of vector) template<typename U, int I> void colin_(U & t) { } template<typename U, int I, typename A, typename ... B> void colin_(U & t) { A a; (* IS) >> a; get<I>(t).push_back(a); colin_<U, I + 1, B ...>(t); } template<typename ... T> auto colin(int n) { tuple<vector<T> ...> t; inc(i, n) { colin_<tuple<vector<T> ...>, 0, T ...>(t); } return t; } auto * OS = & cout; // output elements void out_(string s) { } template<typename A > void out_(string s, A && a ) { (* OS) << a; } template<typename A, typename ... B> void out_(string s, A && a, B && ... b) { (* OS) << a << s; out_(s, b ...); } auto outF = [](auto x, auto y, auto z, auto ... a) { (* OS) << x; out_(y, a ...); (* OS) << z << flush; }; auto out = [](auto ... a) { outF("", " " , "\n", a ...); }; auto outS = [](auto ... a) { outF("", " " , " " , a ...); }; auto outL = [](auto ... a) { outF("", "\n", "\n", a ...); }; auto outN = [](auto ... a) { outF("", "" , "" , a ...); }; array<string, 3> SEQ_FMT = { "", " ", "" }; auto & SEQ_BEG = SEQ_FMT[0]; auto & SEQ_MID = SEQ_FMT[1]; auto & SEQ_END = SEQ_FMT[2]; // output a (multi-dimensional) vector template<typename T> ostream & operator<<(ostream & os, vector<T> const & v) { os << SEQ_BEG; inc(i, v.size()) { os << (i == 0 ? "" : SEQ_MID) << v[i]; } return (os << SEQ_END); } template<typename T > void vout_(T && v ) { (* OS) << v; } template<typename T, typename A, typename ... B> void vout_(T && v, A a, B ... b) { inc(i, v.size()) { (* OS) << (i == 0 ? "" : a); vout_(v[i], b ...); } } template<typename T, typename A, typename ... B> void vout(T && v, A a, B ... b) { vout_(v, b ...); (* OS) << a << flush; } // ---- ---- template<typename T> class SegmentTree { private: int n, s; vector<T> a; function<T(T &, T &)> f; T e; bool ok; public: SegmentTree() { n = 0; } SegmentTree(int nn, function<T(T &, T &)> ff, T ee) { init(nn, ff, ee); } void init(int nn, function<T(T &, T &)> ff, T ee) { n = nn; f = ff; e = ee; s = 1; while(s < n) { s *= 2; } a = vector<T>(2 * s, e); ok = true; } void shift(int & p) { assert(inID(p, 0, n)); p += s; } void apply(int p, function<void(T &)> g) { shift(p); g(a[p]); while(p > 1) { p /= 2; a[p] = f(a[2 * p], a[2 * p + 1]); } } T fold_ID(int l, int r) { assert(ok); assert(inII(l, 0, n)); l += s; assert(inII(r, 0, n)); r += s; r--; T x = e, y = e; while(l <= r) { if(l % 2 == 1) { x = f(x, a[l]); l++; } if(r % 2 == 0) { y = f(a[r], y); r--; } l /= 2; r /= 2; } return f(x, y); } T fold_II(int l, int r) { return fold_ID(l + 0, r + 1); } T fold_CI(int l, int r) { return fold_ID(l + 1, r + 1); } T fold_CD(int l, int r) { return fold_ID(l + 1, r + 0); } const T & operator[](int p) { shift(p); return a[p]; } T & ref(int p) { shift(p); ok = false; return a[p]; } void update() { dec(i, s) { a[i] = f(a[2 * i], a[2 * i + 1]); } ok = true; } }; #define OP(s) [&](auto & A, auto & B) { return s; } #define AP(s) [&](auto & A) { s; } // ---- #define UQwoS(v) v.erase(unique(ALL(v)), v.end()) #define UQ(v) sort(ALL(v)); UQwoS(v) #define LB(v, x) (lower_bound(ALL(v), x) - v.begin()) #define UB(v, x) (upper_bound(ALL(v), x) - v.begin()) int main() { auto [n] = in<int>(); auto v = vin<int>(n); auto u = v; UQ(u); int h = SI(u); SegmentTree<int> stLI(h, OP(max(A, B)), 0); SegmentTree<int> stLD(h, OP(max(A, B)), 0); SegmentTree<int> stRI(h, OP(max(A, B)), 0); SegmentTree<int> stRD(h, OP(max(A, B)), 0); vector<int> LI(n), LD(n), RI(n), RD(n); inc(i, n) { int x = LB(u, v[i]); LI[i] = stLI.fold_ID(0, x) + 1; LD[i] = stLD.fold_CD(x, h) + 1; stLI.apply(x, AP(A = LI[i])); stLD.apply(x, AP(A = LD[i])); } dec(i, n) { int x = LB(u, v[i]); RI[i] = stRI.fold_ID(0, x) + 1; RD[i] = stRD.fold_CD(x, h) + 1; stRI.apply(x, AP(A = RI[i])); stRD.apply(x, AP(A = RD[i])); } int ans = 0; inc(i, n) { setmax(ans, min(LI[i], RI[i])); setmax(ans, min(LD[i], RD[i])); } out(ans - 1); }