結果
問題 |
No.1768 The frog in the well knows the great ocean.
|
ユーザー |
|
提出日時 | 2021-11-26 14:34:06 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 587 ms / 3,000 ms |
コード長 | 4,636 bytes |
コンパイル時間 | 2,397 ms |
コンパイル使用メモリ | 210,016 KB |
最終ジャッジ日時 | 2025-01-26 01:20:01 |
ジャッジサーバーID (参考情報) |
judge2 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 27 |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; template<class T> using V = vector<T>; using VI = V<int>; using VL = V<ll>; using VS = V<string>; template<class T> using PQ = priority_queue<T, V<T>, greater<T>>; using graph = V<VI>; template<class T> using w_graph = V<V<pair<int, T>>>; #define FOR(i,a,n) for(int i=(a);i<(n);++i) #define eFOR(i,a,n) for(int i=(a);i<=(n);++i) #define rFOR(i,a,n) for(int i=(n)-1;i>=(a);--i) #define erFOR(i,a,n) for(int i=(n);i>=(a);--i) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define inside(h,w,y,x) (unsigned(y)<h&&unsigned(x)<w) #ifdef _DEBUG #define line cout << "-----------------------------\n" #define stop system("pause") #endif constexpr ll INF = 1000000000; constexpr ll LLINF = 1LL << 61; constexpr ll mod = 1000000007; constexpr ll MOD = 998244353; constexpr ld eps = 1e-10; constexpr int dy[]{ -1,0,1,0 }, dx[]{ 0,1,0,-1 }; template<class T> inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; }return false; } template<class T> inline bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; }return false; } inline void init() { cin.tie(nullptr); cout.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } template<class T> inline istream& operator>>(istream& is, V<T>& v) { for (auto& a : v)is >> a; return is; } template<class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; } template<class T> inline V<T> vec(size_t a) { return V<T>(a); } template<class T> inline V<T> defvec(T def, size_t a) { return V<T>(a, def); } template<class T, class... Ts> inline auto vec(size_t a, Ts... ts) { return V<decltype(vec<T>(ts...))>(a, vec<T>(ts...)); } template<class T, class... Ts> inline auto defvec(T def, size_t a, Ts... ts) { return V<decltype(defvec<T>(def, ts...))>(a, defvec<T>(def, ts...)); } template<class T> inline void print(const T& a) { cout << a << "\n"; } template<class T, class... Ts> inline void print(const T& a, const Ts&... ts) { cout << a << " "; print(ts...); } template<class T> inline void print(const V<T>& v) { for (int i = 0; i < v.size(); ++i)cout << v[i] << (i == v.size() - 1 ? "\n" : " "); } template<class T> inline void print(const V<V<T>>& v) { for (auto& a : v)print(a); } template<class T> inline constexpr const T& cumsum(const V<T>& a, int l, int r) { return 0 <= l && l <= r && r < a.size() ? a[r] - (l == 0 ? 0 : a[l - 1]) : 0; }//[l,r] template<class T> inline constexpr const T& min(const V<T>& v) { return *min_element(all(v)); } template<class T> inline constexpr const T& max(const V<T>& v) { return *max_element(all(v)); } template<class Op> class SparseTable { using T = typename Op::T; vector<vector<T>> dat; VI len; int n, log; public: SparseTable(const vector<T>& a) : n(a.size()), log(log2(n)) { dat = vec<T>(log + 1, n); len.resize(n + 1); FOR(i, 0, n)dat[0][i] = a[i]; FOR(j, 0, log)FOR(i, 0, n - (1 << j)) { dat[j + 1][i] = Op::comp(dat[j][i], dat[j][i + (1 << j)]); } eFOR(i, 2, n)len[i] = len[i >> 1] + 1; } T value(int l, int r) { int k = len[r - l]; return Op::comp(dat[k][l], dat[k][r - (1 << k)]); } }; template<class Type> struct node { using T = Type; inline static T comp(T x, T y) { return max(x, y); } }; void solve(int t_idx) { int n; cin >> n; VI a(n), b(n); FOR(i, 0, n) { cin >> a[i]; --a[i]; } FOR(i, 0, n) { cin >> b[i]; --b[i]; } #ifdef _DEBUG printf("case %d: ", t_idx); #endif SparseTable<node<int>> sp(a); V<VI> pa(n), pb(n); set<int> sa, sb; sa.insert(-1), sa.insert(n); sb.insert(-1), sb.insert(n); FOR(i, 0, n) { pa[a[i]].push_back(i); pb[b[i]].push_back(i); sa.insert(i); } FOR(j, 0, n) { for (int i : pa[j])sa.erase(i); for (int i : pb[j]) { int l = -1, r = n; if (auto it = sa.lower_bound(i); true) { chmin(r, *it); chmax(l, *prev(it)); } if (auto it = sb.lower_bound(i); true) { chmin(r, *it); chmax(l, *prev(it)); } ++l, --r; if (r < i || i < l || l > r || sp.value(l, r + 1) != b[i]) { print("No"); return; } } for (int i : pb[j])sb.insert(i); } print("Yes"); } int main() { init(); int t; cin >> t; eFOR(i, 1, t)solve(i); return 0; }