Submission #1094674

#TimeUsernameProblemLanguageResultExecution timeMemory
1094674shmaxGift Exchange (JOI24_ho_t4)C++17
50 / 100
2574 ms13984 KiB
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Luffy */ #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> //#pragma GCC optimize("O3") //#pragma GCC target("avx,avx2,fma") //#pragma GCC optimization ("unroll-loops") //#pragma GCC target("avx,avx2,sse,sse2,sse3,sse4,popcnt") using namespace std; using namespace __gnu_pbds; #define int long long #define float long double #define elif else if #define endl "\n" #define mod 1000000007 #define pi acos(-1) #define eps 0.000000001 #define inf 1000'000'000'000'000'000LL #define FIXED(a) cout << fixed << setprecision(a) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define time_init auto start = std::chrono::high_resolution_clock::now() #define time_report \ auto end = std::chrono::high_resolution_clock::now(); \ std::cout << std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() << " ms" << endl #define debug(x) \ { cerr << #x << " = " << x << endl; } #define len(x) (int) x.size() #define sqr(x) ((x) * (x)) #define cube(x) ((x) * (x) * (x)) #define bit(x, i) (((x) >> (i)) & 1) #define set_bit(x, i) ((x) | (1LL << (i))) #define clear_bit(x, i) ((x) & (~(1LL << (i)))) #define toggle_bit(x, i) ((x) ^ (1LL << (i))) #define low_bit(x) ((x) & (-(x))) #define count_bit(x) __builtin_popcountll(x) #define srt(x) sort(all(x)) #define rsrt(x) sort(rall(x)) #define mp make_pair #define maxel(x) (*max_element(all(x))) #define minel(x) (*min_element(all(x))) #define maxelpos(x) (max_element(all(x)) - x.begin()) #define minelpos(x) (min_element(all(x)) - x.begin()) #define sum(x) (accumulate(all(x), 0LL)) #define product(x) (accumulate(all(x), 1LL, multiplies<int>())) #define gcd __gcd #define lcm(a, b) ((a) / gcd(a, b) * (b)) #define rev(x) (reverse(all(x))) #define shift_left(x, k) (rotate(x.begin(), x.begin() + k, x.end())) #define shift_right(x, k) (rotate(x.rbegin(), x.rbegin() + k, x.rend())) #define is_sorted(x) (is_sorted_until(all(x)) == x.end()) #define is_even(x) (((x) &1) == 0) #define is_odd(x) (((x) &1) == 1) #define pow2(x) (1LL << (x)) struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; template<typename T> using min_heap = priority_queue<T, vector<T>, greater<T>>; template<typename T> using max_heap = priority_queue<T, vector<T>, less<T>>; template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; template<typename T> using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>; template<typename T> using matrix = vector<vector<T>>; template<typename T> using graph = vector<vector<T>>; using hashmap = gp_hash_table<int, int, custom_hash>; template<typename T> vector<T> vect(int n, T val) { return vector<T>(n, val); } template<typename T> vector<vector<T>> vect(int n, int m, T val) { return vector<vector<T>>(n, vector<T>(m, val)); } template<typename T> vector<vector<vector<T>>> vect(int n, int m, int k, T val) { return vector<vector<vector<T>>>(n, vector<vector<T>>(m, vector<T>(k, val))); } template<typename T> vector<vector<vector<vector<T>>>> vect(int n, int m, int k, int l, T val) { return vector<vector<vector<vector<T>>>>(n, vector<vector<vector<T>>>(m, vector<vector<T>>(k, vector<T>(l, val)))); } template<typename T> matrix<T> new_matrix(int n, int m, T val) { return matrix<T>(n, vector<T>(m, val)); } template<typename T> graph<T> new_graph(int n) { return graph<T>(n); } template<class T, class S> inline bool chmax(T &a, const S &b) { return (a < b ? a = b, 1 : 0); } template<class T, class S> inline bool chmin(T &a, const S &b) { return (a > b ? a = b, 1 : 0); } using i8 = int8_t; using i16 = int16_t; using i32 = int32_t; using i64 = int64_t; using i128 = __int128_t; using u8 = uint8_t; using u16 = uint16_t; using u32 = uint32_t; using u64 = uint64_t; using u128 = __uint128_t; template<typename T> using vec = vector<T>; using pII = pair<int, int>; template<typename T> using enumerated = pair<T, int>; signed main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int n; cin >> n; vec<int> a(n); for (int &i: a) cin >> i; vec<int> b(n); for (int &i: b) cin >> i; auto solve = [&](int l, int r) { multiset<int> ms; vec<int> ord; multiset<int> msa; for (int i = l; i <= r; i++) { ms.insert(b[i]); msa.insert(a[i]); ord.push_back(i); } sort(all(ord), [&](int i, int j) { return a[i] < a[j]; }); for (auto i: ord) { ms.erase(ms.find(b[i])); msa.erase(msa.find(a[i])); auto ptr = msa.lower_bound(b[i]); if (ptr != msa.end() and *ptr <= a[i]) { } else { if (ms.empty() or *ms.begin() > a[i]) return false; } msa.insert(a[i]); } return true; }; int q; cin >> q; while (q--) { int l, r; cin >> l >> r; l--, r--; cout << (solve(l, r) ? "Yes" : "No") << endl; } }
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