結果
問題 | No.127 門松もどき |
ユーザー | heno239 |
提出日時 | 2020-08-04 17:43:13 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,852 ms / 5,000 ms |
コード長 | 4,540 bytes |
コンパイル時間 | 1,751 ms |
コンパイル使用メモリ | 134,908 KB |
実行使用メモリ | 200,132 KB |
最終ジャッジ日時 | 2024-09-14 19:36:41 |
合計ジャッジ時間 | 31,934 ms |
ジャッジサーバーID (参考情報) |
judge6 / 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 | 4 ms
7,876 KB |
testcase_01 | AC | 4 ms
7,876 KB |
testcase_02 | AC | 4 ms
7,876 KB |
testcase_03 | AC | 4 ms
7,748 KB |
testcase_04 | AC | 2,847 ms
200,132 KB |
testcase_05 | AC | 4 ms
7,748 KB |
testcase_06 | AC | 122 ms
21,316 KB |
testcase_07 | AC | 4 ms
7,824 KB |
testcase_08 | AC | 5 ms
7,876 KB |
testcase_09 | AC | 3 ms
7,812 KB |
testcase_10 | AC | 4 ms
7,876 KB |
testcase_11 | AC | 6 ms
8,388 KB |
testcase_12 | AC | 1,241 ms
147,400 KB |
testcase_13 | AC | 2,059 ms
169,284 KB |
testcase_14 | AC | 1,879 ms
162,116 KB |
testcase_15 | AC | 2,381 ms
189,760 KB |
testcase_16 | AC | 1,489 ms
159,684 KB |
testcase_17 | AC | 1,806 ms
171,504 KB |
testcase_18 | AC | 1,506 ms
156,608 KB |
testcase_19 | AC | 720 ms
65,992 KB |
testcase_20 | AC | 747 ms
66,884 KB |
testcase_21 | AC | 308 ms
47,808 KB |
testcase_22 | AC | 2,852 ms
200,132 KB |
testcase_23 | AC | 2,698 ms
200,004 KB |
testcase_24 | AC | 2,291 ms
176,068 KB |
testcase_25 | AC | 2,601 ms
190,920 KB |
testcase_26 | AC | 1,055 ms
72,132 KB |
ソースコード
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<cassert> #include<complex> #include<numeric> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; constexpr ll mod = 1000000007; const ll INF = mod * mod; typedef pair<int, int>P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; typedef long double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-12; const ld pi = acos(-1.0); ll mod_pow(ll x, ll n, ll m) { ll res = 1; while (n) { if (n & 1)res = res * x % m; x = x * x % m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n % mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; } modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; } modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, int n) { if (n == 0)return modint(1); modint res = (a * a) ^ (n / 2); if (n % 2)res = res * a; return res; } ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } const int max_n = 1 << 18; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } int dx[4] = { 1,0,-1,0 }; int dy[4] = { 0,1,0,-1 }; struct SegT { private: int sz; vector<int> node; const int init_c = 0; public: SegT() {}; void init(int n) { sz = 1; while (sz < n)sz *= 2; node.resize(2 * sz - 1, init_c); } int f(int a, int b) { return max(a, b); } void update(int k, int a) { k += sz - 1; node[k] = f(node[k],a); while (k > 0) { k = (k - 1) / 2; node[k] = f(node[k * 2 + 1], node[k * 2 + 2]); } } int query(int a, int b, int k = 0, int l = 0, int r = -1) { if (r < 0)r = sz; if (r <= a || b <= l)return init_c; else if (a <= l && r <= b)return node[k]; else { int vl = query(a, b, k * 2 + 1, l, (l + r) / 2); int vr = query(a, b, k * 2 + 2, (l + r) / 2, r); return f(vl, vr); } } }; SegT stle[3000], stri[3000]; void solve(){ int n; cin >> n; vector<int> a(n); rep(i, n)cin >> a[i]; rep(i, n) { stle[i].init(n); stri[i].init(n); } vector<P> vs; rep(i, n) { vs.push_back({ a[i],i }); } sort(all(vs)); int ans = 0; rep(i, n) { vector<int> loc; loc.push_back(vs[i].second); while (i + 1 < n && vs[i].first == vs[i + 1].first) { i++; loc.push_back(vs[i].second); } vector<pair<P,int>> updle,updri; for (int id : loc) { for (int l = 0; l < id; l++) { int ma = stle[l].query(id, n); updri.push_back({ {l,id - 1},ma + 1 }); ans = max(ans, ma + 1); } ans = max(ans, stle[id].query(id, n)+1); ans = max(ans, stri[id].query(0, id + 1) + 1); for (int r = id + 1; r < n; r++) { int ma = stri[r].query(0, id + 1); updle.push_back({ {id + 1,r},ma + 1 }); ans = max(ans, ma + 1); } } for (pair<P, int> p : updle) { stle[p.first.first].update(p.first.second, p.second); } for (pair<P, int> p : updri) { stri[p.first.second].update(p.first.first, p.second); } } cout << ans << "\n"; } signed main() { ios::sync_with_stdio(false); cin.tie(0); //cout << fixed << setprecision(10); //init_f(); // int t; cin >> t; rep(i, t) solve(); return 0; }