#ifdef NACHIA // #define _GLIBCXX_DEBUG #else #define NDEBUG #endif #include #include #include #include #include #include #include #include #include using namespace std; using i64 = long long; using u64 = unsigned long long; #define rep(i,n) for(i64 i=0; i<(i64)(n); i++) #define repr(i,n) for(i64 i=(i64)(n)-1; i>=0; i--) const i64 INF = 1001001001001001001; const char* yn(bool x){ return x ? "Yes" : "No"; } template void chmin(A& l, const A& r){ if(r < l) l = r; } template void chmax(A& l, const A& r){ if(l < r) l = r; } template using nega_queue = priority_queue,greater>; using Modint = atcoder::static_modint<998244353>; #include #include template struct vec; template struct seq_view{ using Ref = typename std::iterator_traits::reference; using Elem = typename std::iterator_traits::value_type; Iter a, b; Iter begin() const { return a; } Iter end() const { return b; } int size() const { return (int)(b-a); } seq_view(Iter first, Iter last) : a(first), b(last) {} seq_view sort() const { std::sort(a, b); return *this; } Ref& operator[](int x){ return *(a+x); } template, class ret = vec> ret sorti(F f = F()) const { ret x(size()); for(int i=0; i> ret col() const { return ret(begin(), end()); } template, class ret = vec>> ret rle(F eq = F()) const { auto x = ret(); for(auto& a : (*this)){ if(x.size() == 0 || !eq(x[x.size()-1].first, a)) x.emp(a, 1); else x[x.size()-1].second++; } return x; } template seq_view sort(F f) const { std::sort(a, b, f); return *this; } Iter uni() const { return std::unique(a, b); } Iter lb(const Elem& x) const { return std::lower_bound(a, b, x); } Iter ub(const Elem& x) const { return std::upper_bound(a, b, x); } int lbi(const Elem& x) const { return lb(x) - a; } int ubi(const Elem& x) const { return ub(x) - a; } seq_view bound(const Elem& l, const Elem& r) const { return { lb(l), lb(r) }; } template Iter lb(const Elem& x, F f) const { return std::lower_bound(a, b, x, f); } template Iter ub(const Elem& x, F f) const { return std::upper_bound(a, b, x, f); } template Iter when_true_to_false(F f) const { if(a == b) return a; return std::lower_bound(a, b, *a, [&](const Elem& x, const Elem&){ return f(x); }); } seq_view same(Elem x) const { return { lb(x), ub(x) }; } template auto map(F f) const { vec r; for(auto& x : *this) r.emp(f(x)); return r; } Iter max() const { return std::max_element(a, b); } Iter min() const { return std::min_element(a, b); } template> Iter min(F f) const { return std::min_element(a, b, f); } seq_view rev() const { std::reverse(a, b); return *this; } }; template struct vec { using Base = typename std::vector; using Iter = typename Base::iterator; using CIter = typename Base::const_iterator; using View = seq_view; using CView = seq_view; vec(){} explicit vec(int n, const Elem& value = Elem()) : a(0 vec(I2 first, I2 last) : a(first, last) {} vec(std::initializer_list il) : a(std::move(il)) {} vec(Base b) : a(std::move(b)) {} operator Base() const { return a; } Iter begin(){ return a.begin(); } CIter begin() const { return a.begin(); } Iter end(){ return a.end(); } CIter end() const { return a.end(); } int size() const { return a.size(); } bool empty() const { return a.empty(); } Elem& back(){ return a.back(); } const Elem& back() const { return a.back(); } vec sortunied(){ vec x = *this; x().sort(); x.a.erase(x().uni(), x.end()); return x; } Iter operator()(int x){ return a.begin() + x; } CIter operator()(int x) const { return a.begin() + x; } View operator()(int l, int r){ return { (*this)(l), (*this)(r) }; } CView operator()(int l, int r) const { return { (*this)(l), (*this)(r) }; } View operator()(){ return (*this)(0,size()); } CView operator()() const { return (*this)(0,size()); } Elem& operator[](int x){ return a[x]; } const Elem& operator[](int x) const { return a[x]; } Base& operator*(){ return a; } const Base& operator*() const { return a; } vec& push(Elem args){ a.push_back(std::move(args)); return *this; } template vec& emp(Args &&... args){ a.emplace_back(std::forward(args) ...); return *this; } template vec& app(Range& x){ for(auto& v : a) emp(v); } Elem pop(){ Elem x = std::move(a.back()); a.pop_back(); return x; } bool operator==(const vec& r) const { return a == r.a; } bool operator!=(const vec& r) const { return a != r.a; } bool operator<(const vec& r) const { return a < r.a; } bool operator<=(const vec& r) const { return a <= r.a; } bool operator>(const vec& r) const { return a > r.a; } bool operator>=(const vec& r) const { return a >= r.a; } vec> pile(int n) const { return vec>(n, *this); } template vec& filter(F f){ int p = 0; for(int q=0; q IStr& operator>>(IStr& is, vec>& v){ for(auto& x:v){ is >> x.first >> x.second; } return is; } template IStr& operator>>(IStr& is, vec& v){ for(auto& x:v){ is >> x; } return is; } template OStr& operator<<(OStr& os, const vec& v){ for(int i=0; i namespace nachia{ // ax + by = gcd(a,b) // return ( x, - ) std::pair ExtGcd(long long a, long long b){ long long x = 1, y = 0; while(b){ long long u = a / b; std::swap(a-=b*u, b); std::swap(x-=y*u, y); } return std::make_pair(x, a); } } // namespace nachia #include #include namespace nachia{ class Xoshiro256pp{ public: using i32 = int32_t; using u32 = uint32_t; using i64 = int64_t; using u64 = uint64_t; private: uint64_t s[4]; // https://prng.di.unimi.it/xoshiro256plusplus.c static inline uint64_t rotl(const uint64_t x, int k) noexcept { return (x << k) | (x >> (64 - k)); } inline uint64_t gen(void) noexcept { const uint64_t result = rotl(s[0] + s[3], 23) + s[0]; const uint64_t t = s[1] << 17; s[2] ^= s[0]; s[3] ^= s[1]; s[1] ^= s[2]; s[0] ^= s[3]; s[2] ^= t; s[3] = rotl(s[3], 45); return result; } // https://xoshiro.di.unimi.it/splitmix64.c u64 splitmix64(u64& x) { u64 z = (x += 0x9e3779b97f4a7c15); z = (z ^ (z >> 30)) * 0xbf58476d1ce4e5b9; z = (z ^ (z >> 27)) * 0x94d049bb133111eb; return z ^ (z >> 31); } public: void seed(u64 x = 7001){ assert(x != 0); s[0] = x; for(int i=1; i<4; i++) s[i] = splitmix64(x); } Xoshiro256pp(){ seed(); } u64 rng64() { return gen(); } u64 operator()(){ return gen(); } // generate x : l <= x <= r u64 random_unsigned(u64 l,u64 r){ assert(l<=r); r-=l; auto res = rng64(); if(res<=r) return res+l; u64 d = r+1; u64 max_valid = 0xffffffffffffffff/d*d; while(true){ auto res = rng64(); if(res<=max_valid) break; } return res%d+l; } // generate x : l <= x <= r i64 random_signed(i64 l,i64 r){ assert(l<=r); u64 unsigned_l = (u64)l ^ (1ull<<63); u64 unsigned_r = (u64)r ^ (1ull<<63); u64 unsigned_res = random_unsigned(unsigned_l,unsigned_r) ^ (1ull<<63); return (i64)unsigned_res; } // permute x : n_left <= x <= n_right // output r from the front template std::vector random_nPr(Int n_left, Int n_right, Int r){ Int n = n_right-n_left; assert(n>=0); assert(r<=(1ll<<27)); if(r==0) return {}; assert(n>=r-1); std::vector V; std::unordered_map G; for(int i=0; i void permute_inplace(std::vector& V,std::vector perm){ assert(V.size() == perm.size()); int N=V.size(); for(int i=0; i std::vector shuffle(const std::vector& V){ int N=V.size(); auto P = random_nPr(0,N-1,N); std::vector res; res.reserve(N); for(int i=0; i void shuffle_inplace(std::vector& V){ int N=V.size(); permute_inplace(V,random_nPr(0,N-1,N)); } }; } // namespace nachia #include #include nachia::Xoshiro256pp rng; namespace RngInitInstance { struct RngInit { RngInit(){ unsigned long long seed1 = std::random_device()(); unsigned long long seed2 = std::chrono::high_resolution_clock::now().time_since_epoch().count(); rng.seed(seed1 ^ seed2); } } a; } void testcase(){ i64 K, Q; cin >> K >> Q; //while(Q--){ i64 dim = 0, maxval = 1; while(maxval <= 2'000'000'000){ dim++; maxval *= K; } vec> basis(dim); auto tsum = [K,dim](const vec& x, const vec& y, i64 a, i64 b){ vec res(dim); rep(i,dim) res[i] = (x[i] * a + y[i] * b) % K; return res; }; rep(d,dim){ basis[d] = vec(dim); basis[d][d] = K; } //vec A; auto query1 = [&](i64 x) -> void { //A.push(x); vec X(dim); rep(d,dim){ X[d] = x % K; x /= K; } repr(d,dim) while(X[d] != 0){ basis[d] = tsum(basis[d], X, 1, K - (basis[d][d] / X[d])); swap(basis[d], X); } }; auto query2 = [&](i64 x) -> i64 { vec count(dim+1, 1); rep(d,dim) count[d+1] = count[d] * (K / basis[d][d]); if(count[dim] <= x) return -1; vec res(dim); repr(d,dim){ i64 f = x / count[d] - res[d] / basis[d][d]; x %= count[d]; if(f < 0) f += K; res = tsum(res, basis[d], 1, f); } i64 resi = 0; repr(d,dim) resi = resi * K + res[d]; return resi; }; auto query3 = [&](i64 x) -> i64 { if(x >= maxval){ i64 c = 1; rep(d,dim) c *= K / basis[d][d]; return c; } vec X(dim); rep(d,dim){ X[d] = x % K; x /= K; } vec just(dim); bool make_just = true; i64 ans = 0; repr(d,dim){ i64 b = basis[d][d]; ans *= K / b; if(make_just){ ans += X[d] / b + 1 - (X[d] % b <= just[d] % b ? 1 : 0); i64 f = (X[d] - just[d] + K) % K / b; just = tsum(just, basis[d], 1, f); if(just[d] != X[d]) make_just = false; } } return ans; }; while(Q--){ i64 t, x; cin >> t >> x; if(t == 1){ query1(x); } else if(t == 2){ x--; cout << query2(x) << '\n'; } else { x++; cout << query3(x) << '\n'; } // rep(d,dim) cout << basis[d] << endl; // cout << endl; } /* vec> A2(3); rep(t,3){ A2[t] = vec(100); i64 a = A[t]; rep(b,100){ A2[t][b] = a%K; a /= K; } } vec que; rep(i,K) rep(j,K) rep(k,K){ i64 a = 0; repr(b,100) a = a * K + (A2[0][b] * i + A2[1][b] * j + A2[2][b] * k) % K; que.push(a); } que = que.sortunied(); cout << que << endl; vec A(3); rep(t,3) A[t] = rng.random_signed(0, maxval-1); rep(t,3) query1(A[t]); vec> A2(3); rep(t,3){ A2[t] = vec(100); i64 a = A[t]; rep(b,100){ A2[t][b] = a%K; a /= K; } } vec que; rep(i,K) rep(j,K) rep(k,K){ i64 a = 0; repr(b,100) a = a * K + (A2[0][b] * i + A2[1][b] * j + A2[2][b] * k) % K; que.push(a); } que = que.sortunied(); que.push(-1); rep(f,que.size()){ if(query2(f) != que[f]){ cout << "A[0] = " << A[0] << endl; cout << "A[1] = " << A[1] << endl; cout << "A[2] = " << A[2] << endl; cout << "t = " << 2 << endl; cout << "x = " << (f+1) << endl; cout << "wrong ans = " << query2(f) << endl; exit(0); } } } */ } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); #ifdef NACHIA int T; cin >> T; for(int t=0; t