結果
問題 | No.992 最長増加部分列の数え上げ |
ユーザー | はまやんはまやん |
提出日時 | 2020-02-14 23:47:50 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 181 ms / 2,000 ms |
コード長 | 4,564 bytes |
コンパイル時間 | 2,360 ms |
コンパイル使用メモリ | 214,724 KB |
実行使用メモリ | 9,340 KB |
最終ジャッジ日時 | 2024-10-06 13:31:36 |
合計ジャッジ時間 | 8,547 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 4 ms
7,168 KB |
testcase_01 | AC | 4 ms
7,296 KB |
testcase_02 | AC | 4 ms
7,296 KB |
testcase_03 | AC | 4 ms
7,296 KB |
testcase_04 | AC | 65 ms
8,192 KB |
testcase_05 | AC | 48 ms
7,808 KB |
testcase_06 | AC | 78 ms
8,192 KB |
testcase_07 | AC | 56 ms
8,060 KB |
testcase_08 | AC | 30 ms
7,880 KB |
testcase_09 | AC | 57 ms
8,144 KB |
testcase_10 | AC | 79 ms
8,192 KB |
testcase_11 | AC | 101 ms
8,300 KB |
testcase_12 | AC | 23 ms
7,552 KB |
testcase_13 | AC | 58 ms
8,192 KB |
testcase_14 | AC | 58 ms
8,064 KB |
testcase_15 | AC | 23 ms
7,532 KB |
testcase_16 | AC | 160 ms
9,136 KB |
testcase_17 | AC | 31 ms
7,808 KB |
testcase_18 | AC | 55 ms
8,192 KB |
testcase_19 | AC | 99 ms
8,320 KB |
testcase_20 | AC | 166 ms
9,340 KB |
testcase_21 | AC | 163 ms
9,208 KB |
testcase_22 | AC | 165 ms
9,208 KB |
testcase_23 | AC | 181 ms
9,208 KB |
testcase_24 | AC | 174 ms
9,332 KB |
testcase_25 | AC | 176 ms
9,208 KB |
testcase_26 | AC | 173 ms
9,204 KB |
testcase_27 | AC | 175 ms
9,204 KB |
testcase_28 | AC | 163 ms
9,208 KB |
testcase_29 | AC | 166 ms
9,336 KB |
testcase_30 | AC | 119 ms
9,204 KB |
testcase_31 | AC | 113 ms
9,208 KB |
testcase_32 | AC | 114 ms
9,208 KB |
testcase_33 | AC | 115 ms
9,212 KB |
testcase_34 | AC | 112 ms
9,336 KB |
testcase_35 | AC | 115 ms
9,212 KB |
testcase_36 | AC | 119 ms
9,208 KB |
testcase_37 | AC | 118 ms
9,208 KB |
testcase_38 | AC | 115 ms
9,208 KB |
testcase_39 | AC | 113 ms
9,212 KB |
testcase_40 | AC | 113 ms
9,208 KB |
testcase_41 | AC | 114 ms
9,332 KB |
testcase_42 | AC | 116 ms
9,336 KB |
testcase_43 | AC | 120 ms
9,208 KB |
testcase_44 | AC | 116 ms
9,336 KB |
ソースコード
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() //#pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; 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<int MOD> struct ModInt { static const int Mod = MOD; unsigned x; ModInt() : x(0) { } ModInt(signed sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; } ModInt(signed long long sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; } int get() const { return (int)x; } ModInt& operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; } ModInt& operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; } ModInt& operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; } ModInt& operator/=(ModInt that) { return *this *= that.inverse(); } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt inverse() const { long long a = x, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); } return ModInt(u); } bool operator==(ModInt that) const { return x == that.x; } bool operator!=(ModInt that) const { return x != that.x; } ModInt operator-() const { ModInt t; t.x = x == 0 ? 0 : Mod - x; return t; } }; template<int MOD> ostream& operator<<(ostream& st, const ModInt<MOD> a) { st << a.get(); return st; }; template<int MOD> ModInt<MOD> operator^(ModInt<MOD> a, unsigned long long k) { ModInt<MOD> r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; } typedef ModInt<1000000007> mint; vector<int> compress1(int* v, int n) { vector<int> dic; rep(i, 0, n) dic.push_back(v[i]); sort(all(dic)); dic.erase(unique(all(dic)), dic.end()); rep(i, 0, n) v[i] = lower_bound(all(dic), v[i]) - dic.begin(); return dic; } #define def make_pair(0,mint(1)) using V = pair<int, mint>; template<int NV> struct SegTree { //[l,r) V comp(V& l, V& r) { if (l.first == 0) return r; if (r.first == 0) return l; if (l.first < r.first) return r; else if (l.first > r.first) return l; return make_pair(l.first, l.second + r.second); }; vector<V> val; SegTree() { val = vector<V>(NV * 2, def); } V get(int x, int y, int l = 0, int r = NV, int k = 1) { if (r <= x || y <= l)return def; if (x <= l && r <= y)return val[k]; auto a = get(x, y, l, (l + r) / 2, k * 2); auto b = get(x, y, (l + r) / 2, r, k * 2 + 1); return comp(a, b); } void update(int i, V v) { i += NV; val[i] = v; while (i > 1) i >>= 1, val[i] = comp(val[i * 2], val[i * 2 + 1]); } V operator[](int x) { return get(x, x + 1); } }; /*--------------------------------------------------------------------------------------------------- ∧_∧ ∧_∧ (´<_` ) Welcome to My Coding Space! ( ´_ゝ`) / ⌒i @hamayanhamayan0 / \ | | / / ̄ ̄ ̄ ̄/ | __(__ニつ/ _/ .| .|____ \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ int N, A[201010]; SegTree<1 << 18> st; //--------------------------------------------------------------------------------------------------- void _main() { cin >> N; rep(i, 0, N) cin >> A[i]; compress1(A, N); rep(i, 0, N) { auto p = st.get(0, A[i]); p.first++; auto cu = st[A[i]]; st.update(A[i], st.comp(cu, p)); } cout << st.get(0, N).second << endl; }