329 lines
10 KiB
C++
329 lines
10 KiB
C++
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#pragma GCC optimize("Ofast")
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/////////////////////////////////////////////////////////
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/**
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* Useful Macros
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* by subcrip
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* (requires C++17)
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*/
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#include<bits/stdc++.h>
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using namespace std;
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/* macro helpers */
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#define __NARGS(...) std::tuple_size<decltype(std::make_tuple(__VA_ARGS__))>::value
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#define __DECOMPOSE_S(a, x) auto x = a;
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#define __DECOMPOSE_N(a, ...) auto [__VA_ARGS__] = a;
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constexpr void __() {}
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#define __AS_PROCEDURE(...) __(); __VA_ARGS__; __()
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#define __as_typeof(container) decltype(container)::value_type
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/* type aliases */
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using ll = int64_t;
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using ull = uint64_t;
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using pii = pair<int, int>;
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using pil = pair<int, ll>;
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using pli = pair<ll, int>;
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using pll = pair<ll, ll>;
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/* constants */
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constexpr int INF = 0x3f3f3f3f;
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constexpr ll INFLL = 0x3f3f3f3f3f3f3f3fLL;
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constexpr ll MDL = 1e9 + 7;
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constexpr ll PRIME = 998'244'353;
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constexpr ll MDL1 = 8784491;
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constexpr ll MDL2 = PRIME;
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/* random */
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mt19937 rd(chrono::duration_cast<chrono::milliseconds>(chrono::system_clock::now().time_since_epoch()).count());
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/* bit-wise operations */
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#define lowbit(x) ((x) & -(x))
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#define popcount(x) (__builtin_popcountll(ll(x)))
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#define parity(x) (__builtin_parityll(ll(x)))
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#define msp(x) (63LL - __builtin_clzll(ll(x)))
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#define lsp(x) (__builtin_ctzll(ll(x)))
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/* arithmetic operations */
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#define mod(x, y) ((((x) % (y)) + (y)) % (y))
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/* fast pairs */
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#define upair ull
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#define umake(x, y) (ull(x) << 32 | (ull(y) & ((1ULL << 32) - 1)))
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#define u1(p) ((p) >> 32)
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#define u2(p) ((p) & ((1ULL << 32) - 1))
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#define ult std::less<upair>
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#define ugt std::greater<upair>
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#define ipair ull
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#define imake(x, y) (umake(x, y))
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#define i1(p) (int(u1(ll(p))))
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#define i2(p) (ll(u2(p) << 32) >> 32)
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struct ilt {
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bool operator()(const ipair& a, const ipair& b) const {
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if (i1(a) == i1(b)) return i2(a) < i2(b);
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else return i1(a) < i1(b);
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}
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};
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struct igt {
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bool operator()(const ipair& a, const ipair& b) const {
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if (i1(a) == i1(b)) return i2(a) > i2(b);
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else return i1(a) > i1(b);
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}
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};
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/* conditions */
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#define loop while (1)
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#define if_or(var, val) if (!(var == val)) var = val; else
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#define continue_or(var, val) __AS_PROCEDURE(if (var == val) continue; var = val;)
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#define break_or(var, val) __AS_PROCEDURE(if (var == val) break; var = val;)
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/* hash */
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struct safe_hash {
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// https://codeforces.com/blog/entry/62393
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static uint64_t splitmix64(uint64_t x) {
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// http://xorshift.di.unimi.it/splitmix64.c
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x += 0x9e3779b97f4a7c15;
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x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
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x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
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return x ^ (x >> 31);
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}
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size_t operator()(uint64_t x) const {
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static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
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return splitmix64(x + FIXED_RANDOM);
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}
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};
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struct pair_hash {
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template <typename T, typename U>
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size_t operator()(const pair<T, U>& a) const {
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auto hash1 = safe_hash()(a.first);
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auto hash2 = safe_hash()(a.second);
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if (hash1 != hash2) {
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return hash1 ^ hash2;
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}
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return hash1;
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}
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};
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/* build data structures */
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#define unordered_counter(from, to) __AS_PROCEDURE(unordered_map<__as_typeof(from), size_t, safe_hash> to; for (auto&& x : from) ++to[x];)
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#define counter(from, to, cmp) __AS_PROCEDURE(map<__as_typeof(from), size_t, cmp> to; for (auto&& x : from) ++to[x];)
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#define pa(a) __AS_PROCEDURE(__typeof(a) pa; pa.push_back({}); for (auto&&x : a) pa.push_back(pa.back() + x);)
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#define sa(a) __AS_PROCEDURE(__typeof(a) sa(a.size() + 1); {int n = a.size(); for (int i = n - 1; i >= 0; --i) sa[i] = sa[i + 1] + a[i];};)
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#define adj(ch, n) __AS_PROCEDURE(vector<vector<int>> ch((n) + 1);)
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#define edge(ch, u, v) __AS_PROCEDURE(ch[u].push_back(v), ch[v].push_back(u);)
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#define Edge(ch, u, v) __AS_PROCEDURE(ch[u].push_back(v);)
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template <typename T, typename Iterator> pair<size_t, map<T, size_t>> discretize(Iterator __first, Iterator __last) {
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set<T> st(__first, __last);
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size_t N = 0;
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map<T, size_t> mp;
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for (auto&& x : st) mp[x] = ++N;
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return {N, mp};
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}
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template <typename T, typename Iterator> pair<size_t, unordered_map<T, size_t, safe_hash>> unordered_discretize(Iterator __first, Iterator __last) {
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set<T> st(__first, __last);
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size_t N = 0;
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unordered_map<T, size_t, safe_hash> mp;
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for (auto&& x : st) mp[x] = ++N;
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return {N, mp};
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}
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/* io */
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#define untie __AS_PROCEDURE(ios_base::sync_with_stdio(0), cin.tie(NULL))
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template<typename T> void __read(T& x) { cin >> x; }
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template<typename T, typename... U> void __read(T& x, U&... args) { cin >> x; __read(args...); }
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#define read(type, ...) __AS_PROCEDURE(type __VA_ARGS__; __read(__VA_ARGS__);)
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#define readvec(type, a, n) __AS_PROCEDURE(vector<type> a(n); for (int i = 0; i < (n); ++i) cin >> a[i];)
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#define putvec(a) __AS_PROCEDURE(for (auto&& x : a) cout << x << ' '; cout << endl;)
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#define debug(x) __AS_PROCEDURE(cerr << #x" = " << (x) << endl;)
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#define debugvec(a) __AS_PROCEDURE(cerr << #a" = "; for (auto&& x : a) cerr << x << ' '; cerr << endl;)
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template<typename T, typename U> ostream& operator<<(ostream& out, const pair<T, U>& p) {
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out << "{" << p.first << ", " << p.second << "}";
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return out;
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}
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template<typename Char, typename Traits, typename Tuple, std::size_t... Index>
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void print_tuple_impl(std::basic_ostream<Char, Traits>& os, const Tuple& t, std::index_sequence<Index...>) {
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using swallow = int[]; // guaranties left to right order
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(void)swallow { 0, (void(os << (Index == 0 ? "" : ", ") << std::get<Index>(t)), 0)... };
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}
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template<typename Char, typename Traits, typename... Args>
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decltype(auto) operator<<(std::basic_ostream<Char, Traits>& os, const std::tuple<Args...>& t) {
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os << "{";
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print_tuple_impl(os, t, std::index_sequence_for<Args...>{});
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return os << "}";
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}
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template<typename T> ostream& operator<<(ostream& out, const vector<T>& vec) {
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for (auto&& i : vec) out << i << ' ';
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return out;
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}
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/* pops */
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#define poptop(q, ...) __AS_PROCEDURE(auto [__VA_ARGS__] = q.top(); q.pop();)
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#define popback(q, ...) __AS_PROCEDURE(auto [__VA_ARGS__] = q.back(); q.pop_back();)
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#define popfront(q, ...) __AS_PROCEDURE(auto [__VA_ARGS__] = q.front();q.pop_front();)
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/* math */
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constexpr inline int lg2(ll x) { return x == 0 ? -1 : sizeof(ll) * 8 - 1 - __builtin_clzll(x); }
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void __exgcd(ll a, ll b, ll& x, ll& y) {
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if (b == 0) {
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x = 1, y = 0;
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return;
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}
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__exgcd(b, a % b, y, x);
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y -= a / b * x;
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}
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ll inverse(ll a, ll b) {
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ll x, y;
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__exgcd(a, b, x, y);
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return mod(x, b);
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}
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/* string algorithms */
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vector<int> calc_next(string t) { // pi function of t
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int n = (int)t.length();
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vector<int> pi(n);
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for (int i = 1; i < n; i++) {
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int j = pi[i - 1];
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while (j > 0 && t[i] != t[j]) j = pi[j - 1];
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if (t[i] == t[j]) j++;
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pi[i] = j;
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}
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return pi;
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}
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vector<int> calc_z(string t) { // z function of t
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int m = t.length();
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vector<int> z;
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z.push_back(m);
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pair<int, int> prev = {1, -1};
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for (int i = 1; i < m; ++i) {
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if (z[i - prev.first] + i <= prev.second) {
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z.push_back(z[i - prev.first]);
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} else {
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int j = max(i, prev.second + 1);
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while (j < m && t[j] == t[j - i]) ++j;
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z.push_back(j - i);
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prev = {i, j - 1};
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}
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}
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return z;
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}
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vector<int> kmp(string s, string t) { // find all t in s
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string cur = t + '#' + s;
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int sz1 = s.size(), sz2 = t.size();
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vector<int> v;
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vector<int> lps = calc_next(cur);
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for (int i = sz2 + 1; i <= sz1 + sz2; i++) {
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if (lps[i] == sz2) v.push_back(i - 2 * sz2);
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}
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return v;
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}
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int period(string s) { // find the length of shortest recurring period
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int n = s.length();
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auto z = calc_z(s);
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for (int i = 1; i <= n / 2; ++i) {
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if (n % i == 0 && z[i] == n - i) {
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return i;
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}
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}
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return n;
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}
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/////////////////////////////////////////////////////////
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#define SINGLE_TEST_CASE
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// #define DUMP_TEST_CASE 512
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void dump() {}
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void prep() {}
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string remove_leading(const string& a) {
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int p = 0;
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while (a[p] == '0') ++p;
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return a.substr(p, a.size() - p);
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}
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string remove_trailing(const string& a) {
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int q = a.size() - 1;
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while (a[q] == '0') --q;
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return a.substr(0, q + 1);
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}
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string to_binary_string(ll a) {
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string res;
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while (a) {
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res.push_back(48 + (a & 1));
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a >>= 1;
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}
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return string(res.rbegin(), res.rend());
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}
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void solve() {
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ll t;
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cin >> t;
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string a = to_binary_string(t);
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cin >> t;
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string b = to_binary_string(t);
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// debug(a), debug(b);
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int n = b.size(), m = a.size();
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// debug(n), debug(m);
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string stripped = remove_trailing(a);
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string reversed_stripped = remove_leading(string(stripped.rbegin(), stripped.rend()));
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string o = a + '1';
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string reversed_o = remove_leading(string(o.rbegin(), o.rend()));
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array<string, 4> as {stripped, reversed_stripped, o, reversed_o};
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// debugvec(as);
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if (a == b) {
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cout << "YES\n";
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return;
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}
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for (auto&& at : as) {
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int m = at.size();
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// debug(at);
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for (int i = 0; i + m <= n; ++i) {
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// debug(b.substr(i, m));
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if (b.substr(i, m) == at) {
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// debug(i + m), debug(n), debug(n - i - m);
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string lead = b.substr(0, i), tail = i + m < n ? b.substr(i + m, n - i - m) : "";
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// if (lead.size()) {
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// debug(lead);
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// }
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// if (tail.size()) {
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// debug(tail);
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// }
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if (count(lead.begin(), lead.end(), '0') == 0 && count(tail.begin(), tail.end(), '0') == 0) {
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// debug(at), debug(i);
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cout << "YES\n";
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return;
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}
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}
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}
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}
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cout << "NO\n";
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}
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int main() {
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untie, cout.tie(NULL);
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prep();
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#ifdef SINGLE_TEST_CASE
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solve();
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#else
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read(int, t);
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for (int i = 0; i < t; ++i) {
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#ifdef DUMP_TEST_CASE
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if (i + 1 == (DUMP_TEST_CASE)) {
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dump();
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} else {
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solve();
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}
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#else
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solve();
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#endif
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}
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#endif
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}
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