結果
問題 | No.2809 Sort Query |
ユーザー | maspy |
提出日時 | 2024-08-03 22:37:55 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,096 ms / 2,000 ms |
コード長 | 20,696 bytes |
コンパイル時間 | 8,299 ms |
コンパイル使用メモリ | 350,376 KB |
実行使用メモリ | 413,888 KB |
最終ジャッジ日時 | 2024-08-03 22:39:00 |
合計ジャッジ時間 | 53,952 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 816 ms
286,500 KB |
testcase_02 | AC | 778 ms
287,272 KB |
testcase_03 | AC | 756 ms
287,012 KB |
testcase_04 | AC | 636 ms
287,012 KB |
testcase_05 | AC | 674 ms
287,012 KB |
testcase_06 | AC | 416 ms
265,836 KB |
testcase_07 | AC | 423 ms
265,456 KB |
testcase_08 | AC | 424 ms
265,196 KB |
testcase_09 | AC | 417 ms
265,456 KB |
testcase_10 | AC | 449 ms
265,380 KB |
testcase_11 | AC | 340 ms
173,296 KB |
testcase_12 | AC | 332 ms
173,292 KB |
testcase_13 | AC | 369 ms
173,292 KB |
testcase_14 | AC | 335 ms
173,420 KB |
testcase_15 | AC | 338 ms
173,292 KB |
testcase_16 | AC | 336 ms
173,420 KB |
testcase_17 | AC | 373 ms
173,164 KB |
testcase_18 | AC | 340 ms
173,164 KB |
testcase_19 | AC | 345 ms
173,416 KB |
testcase_20 | AC | 369 ms
173,420 KB |
testcase_21 | AC | 1,096 ms
413,636 KB |
testcase_22 | AC | 1,056 ms
413,508 KB |
testcase_23 | AC | 1,043 ms
413,888 KB |
testcase_24 | AC | 1,036 ms
413,632 KB |
testcase_25 | AC | 1,030 ms
413,380 KB |
testcase_26 | AC | 824 ms
307,500 KB |
testcase_27 | AC | 811 ms
307,632 KB |
testcase_28 | AC | 851 ms
307,628 KB |
testcase_29 | AC | 838 ms
308,136 KB |
testcase_30 | AC | 810 ms
307,880 KB |
testcase_31 | AC | 103 ms
32,880 KB |
testcase_32 | AC | 110 ms
32,788 KB |
testcase_33 | AC | 113 ms
32,620 KB |
testcase_34 | AC | 113 ms
32,876 KB |
testcase_35 | AC | 105 ms
32,748 KB |
testcase_36 | AC | 117 ms
37,904 KB |
testcase_37 | AC | 126 ms
37,740 KB |
testcase_38 | AC | 118 ms
37,756 KB |
testcase_39 | AC | 117 ms
37,744 KB |
testcase_40 | AC | 113 ms
37,868 KB |
testcase_41 | AC | 613 ms
155,432 KB |
testcase_42 | AC | 628 ms
155,300 KB |
testcase_43 | AC | 636 ms
155,428 KB |
testcase_44 | AC | 624 ms
155,428 KB |
testcase_45 | AC | 645 ms
155,428 KB |
testcase_46 | AC | 396 ms
155,424 KB |
testcase_47 | AC | 426 ms
155,428 KB |
testcase_48 | AC | 396 ms
155,432 KB |
testcase_49 | AC | 427 ms
155,428 KB |
testcase_50 | AC | 391 ms
155,300 KB |
testcase_51 | AC | 530 ms
155,296 KB |
testcase_52 | AC | 472 ms
155,428 KB |
testcase_53 | AC | 404 ms
155,300 KB |
testcase_54 | AC | 516 ms
155,296 KB |
testcase_55 | AC | 432 ms
155,428 KB |
testcase_56 | AC | 565 ms
199,336 KB |
testcase_57 | AC | 495 ms
164,724 KB |
testcase_58 | AC | 433 ms
155,316 KB |
testcase_59 | AC | 495 ms
170,192 KB |
testcase_60 | AC | 504 ms
178,576 KB |
testcase_61 | AC | 647 ms
226,220 KB |
testcase_62 | AC | 481 ms
161,196 KB |
testcase_63 | AC | 602 ms
207,360 KB |
testcase_64 | AC | 752 ms
258,948 KB |
testcase_65 | AC | 418 ms
148,644 KB |
testcase_66 | AC | 2 ms
5,376 KB |
testcase_67 | AC | 3 ms
5,376 KB |
testcase_68 | AC | 2 ms
5,376 KB |
testcase_69 | AC | 2 ms
5,376 KB |
testcase_70 | AC | 2 ms
5,376 KB |
ソースコード
#line 1 "/home/maspy/compro/library/my_template.hpp" #if defined(LOCAL) #include <my_template_compiled.hpp> #else // https://codeforces.com/blog/entry/96344 #pragma GCC optimize("Ofast,unroll-loops") // いまの CF だとこれ入れると動かない? // #pragma GCC target("avx2,popcnt") #include <bits/stdc++.h> using namespace std; using ll = long long; using u32 = unsigned int; using u64 = unsigned long long; using i128 = __int128; using u128 = unsigned __int128; using f128 = __float128; template <class T> constexpr T infty = 0; template <> constexpr int infty<int> = 1'010'000'000; template <> constexpr ll infty<ll> = 2'020'000'000'000'000'000; template <> constexpr u32 infty<u32> = infty<int>; template <> constexpr u64 infty<u64> = infty<ll>; template <> constexpr i128 infty<i128> = i128(infty<ll>) * 2'000'000'000'000'000'000; template <> constexpr double infty<double> = infty<ll>; template <> constexpr long double infty<long double> = infty<ll>; using pi = pair<ll, ll>; using vi = vector<ll>; template <class T> using vc = vector<T>; template <class T> using vvc = vector<vc<T>>; template <class T> using vvvc = vector<vvc<T>>; template <class T> using vvvvc = vector<vvvc<T>>; template <class T> using vvvvvc = vector<vvvvc<T>>; template <class T> using pq = priority_queue<T>; template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>; #define vv(type, name, h, ...) \ vector<vector<type>> name(h, vector<type>(__VA_ARGS__)) #define vvv(type, name, h, w, ...) \ vector<vector<vector<type>>> name( \ h, vector<vector<type>>(w, vector<type>(__VA_ARGS__))) #define vvvv(type, name, a, b, c, ...) \ vector<vector<vector<vector<type>>>> name( \ a, vector<vector<vector<type>>>( \ b, vector<vector<type>>(c, vector<type>(__VA_ARGS__)))) // https://trap.jp/post/1224/ #define FOR1(a) for (ll _ = 0; _ < ll(a); ++_) #define FOR2(i, a) for (ll i = 0; i < ll(a); ++i) #define FOR3(i, a, b) for (ll i = a; i < ll(b); ++i) #define FOR4(i, a, b, c) for (ll i = a; i < ll(b); i += (c)) #define FOR1_R(a) for (ll i = (a)-1; i >= ll(0); --i) #define FOR2_R(i, a) for (ll i = (a)-1; i >= ll(0); --i) #define FOR3_R(i, a, b) for (ll i = (b)-1; i >= ll(a); --i) #define overload4(a, b, c, d, e, ...) e #define overload3(a, b, c, d, ...) d #define FOR(...) overload4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__) #define FOR_R(...) overload3(__VA_ARGS__, FOR3_R, FOR2_R, FOR1_R)(__VA_ARGS__) #define FOR_subset(t, s) \ for (ll t = (s); t >= 0; t = (t == 0 ? -1 : (t - 1) & (s))) #define all(x) x.begin(), x.end() #define len(x) ll(x.size()) #define elif else if #define eb emplace_back #define mp make_pair #define mt make_tuple #define fi first #define se second #define stoi stoll int popcnt(int x) { return __builtin_popcount(x); } int popcnt(u32 x) { return __builtin_popcount(x); } int popcnt(ll x) { return __builtin_popcountll(x); } int popcnt(u64 x) { return __builtin_popcountll(x); } int popcnt_mod_2(int x) { return __builtin_parity(x); } int popcnt_mod_2(u32 x) { return __builtin_parity(x); } int popcnt_mod_2(ll x) { return __builtin_parityll(x); } int popcnt_mod_2(u64 x) { return __builtin_parityll(x); } // (0, 1, 2, 3, 4) -> (-1, 0, 1, 1, 2) int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); } int topbit(u32 x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); } int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); } int topbit(u64 x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); } // (0, 1, 2, 3, 4) -> (-1, 0, 1, 0, 2) int lowbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); } int lowbit(u32 x) { return (x == 0 ? -1 : __builtin_ctz(x)); } int lowbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); } int lowbit(u64 x) { return (x == 0 ? -1 : __builtin_ctzll(x)); } template <typename T> T floor(T a, T b) { return a / b - (a % b && (a ^ b) < 0); } template <typename T> T ceil(T x, T y) { return floor(x + y - 1, y); } template <typename T> T bmod(T x, T y) { return x - y * floor(x, y); } template <typename T> pair<T, T> divmod(T x, T y) { T q = floor(x, y); return {q, x - q * y}; } template <typename T, typename U> T SUM(const vector<U> &A) { T sm = 0; for (auto &&a: A) sm += a; return sm; } #define MIN(v) *min_element(all(v)) #define MAX(v) *max_element(all(v)) #define LB(c, x) distance((c).begin(), lower_bound(all(c), (x))) #define UB(c, x) distance((c).begin(), upper_bound(all(c), (x))) #define UNIQUE(x) \ sort(all(x)), x.erase(unique(all(x)), x.end()), x.shrink_to_fit() template <typename T> T POP(deque<T> &que) { T a = que.front(); que.pop_front(); return a; } template <typename T> T POP(pq<T> &que) { T a = que.top(); que.pop(); return a; } template <typename T> T POP(pqg<T> &que) { T a = que.top(); que.pop(); return a; } template <typename T> T POP(vc<T> &que) { T a = que.back(); que.pop_back(); return a; } template <typename F> ll binary_search(F check, ll ok, ll ng, bool check_ok = true) { if (check_ok) assert(check(ok)); while (abs(ok - ng) > 1) { auto x = (ng + ok) / 2; (check(x) ? ok : ng) = x; } return ok; } template <typename F> double binary_search_real(F check, double ok, double ng, int iter = 100) { FOR(iter) { double x = (ok + ng) / 2; (check(x) ? ok : ng) = x; } return (ok + ng) / 2; } 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); } // ? は -1 vc<int> s_to_vi(const string &S, char first_char) { vc<int> A(S.size()); FOR(i, S.size()) { A[i] = (S[i] != '?' ? S[i] - first_char : -1); } return A; } template <typename T, typename U> vector<T> cumsum(vector<U> &A, int off = 1) { int N = A.size(); vector<T> B(N + 1); FOR(i, N) { B[i + 1] = B[i] + A[i]; } if (off == 0) B.erase(B.begin()); return B; } // stable sort template <typename T> vector<int> argsort(const vector<T> &A) { vector<int> ids(len(A)); iota(all(ids), 0); sort(all(ids), [&](int i, int j) { return (A[i] == A[j] ? i < j : A[i] < A[j]); }); return ids; } // A[I[0]], A[I[1]], ... template <typename T> vc<T> rearrange(const vc<T> &A, const vc<int> &I) { vc<T> B(len(I)); FOR(i, len(I)) B[i] = A[I[i]]; return B; } template <typename T, typename... Vectors> vc<T> concat(vc<T> &first, const Vectors &... others) { vc<T> res = first; (res.insert(res.end(), others.begin(), others.end()), ...); return res; } #endif #line 1 "/home/maspy/compro/library/other/io.hpp" #define FASTIO #include <unistd.h> // https://judge.yosupo.jp/submission/21623 namespace fastio { static constexpr uint32_t SZ = 1 << 17; char ibuf[SZ]; char obuf[SZ]; char out[100]; // pointer of ibuf, obuf uint32_t pil = 0, pir = 0, por = 0; struct Pre { char num[10000][4]; constexpr Pre() : num() { for (int i = 0; i < 10000; i++) { int n = i; for (int j = 3; j >= 0; j--) { num[i][j] = n % 10 | '0'; n /= 10; } } } } constexpr pre; inline void load() { memcpy(ibuf, ibuf + pil, pir - pil); pir = pir - pil + fread(ibuf + pir - pil, 1, SZ - pir + pil, stdin); pil = 0; if (pir < SZ) ibuf[pir++] = '\n'; } inline void flush() { fwrite(obuf, 1, por, stdout); por = 0; } void rd(char &c) { do { if (pil + 1 > pir) load(); c = ibuf[pil++]; } while (isspace(c)); } void rd(string &x) { x.clear(); char c; do { if (pil + 1 > pir) load(); c = ibuf[pil++]; } while (isspace(c)); do { x += c; if (pil == pir) load(); c = ibuf[pil++]; } while (!isspace(c)); } template <typename T> void rd_real(T &x) { string s; rd(s); x = stod(s); } template <typename T> void rd_integer(T &x) { if (pil + 100 > pir) load(); char c; do c = ibuf[pil++]; while (c < '-'); bool minus = 0; if constexpr (is_signed<T>::value || is_same_v<T, i128>) { if (c == '-') { minus = 1, c = ibuf[pil++]; } } x = 0; while ('0' <= c) { x = x * 10 + (c & 15), c = ibuf[pil++]; } if constexpr (is_signed<T>::value || is_same_v<T, i128>) { if (minus) x = -x; } } void rd(int &x) { rd_integer(x); } void rd(ll &x) { rd_integer(x); } void rd(i128 &x) { rd_integer(x); } void rd(u32 &x) { rd_integer(x); } void rd(u64 &x) { rd_integer(x); } void rd(u128 &x) { rd_integer(x); } void rd(double &x) { rd_real(x); } void rd(long double &x) { rd_real(x); } void rd(f128 &x) { rd_real(x); } template <class T, class U> void rd(pair<T, U> &p) { return rd(p.first), rd(p.second); } template <size_t N = 0, typename T> void rd_tuple(T &t) { if constexpr (N < std::tuple_size<T>::value) { auto &x = std::get<N>(t); rd(x); rd_tuple<N + 1>(t); } } template <class... T> void rd(tuple<T...> &tpl) { rd_tuple(tpl); } template <size_t N = 0, typename T> void rd(array<T, N> &x) { for (auto &d: x) rd(d); } template <class T> void rd(vc<T> &x) { for (auto &d: x) rd(d); } void read() {} template <class H, class... T> void read(H &h, T &... t) { rd(h), read(t...); } void wt(const char c) { if (por == SZ) flush(); obuf[por++] = c; } void wt(const string s) { for (char c: s) wt(c); } void wt(const char *s) { size_t len = strlen(s); for (size_t i = 0; i < len; i++) wt(s[i]); } template <typename T> void wt_integer(T x) { if (por > SZ - 100) flush(); if (x < 0) { obuf[por++] = '-', x = -x; } int outi; for (outi = 96; x >= 10000; outi -= 4) { memcpy(out + outi, pre.num[x % 10000], 4); x /= 10000; } if (x >= 1000) { memcpy(obuf + por, pre.num[x], 4); por += 4; } else if (x >= 100) { memcpy(obuf + por, pre.num[x] + 1, 3); por += 3; } else if (x >= 10) { int q = (x * 103) >> 10; obuf[por] = q | '0'; obuf[por + 1] = (x - q * 10) | '0'; por += 2; } else obuf[por++] = x | '0'; memcpy(obuf + por, out + outi + 4, 96 - outi); por += 96 - outi; } template <typename T> void wt_real(T x) { ostringstream oss; oss << fixed << setprecision(15) << double(x); string s = oss.str(); wt(s); } void wt(int x) { wt_integer(x); } void wt(ll x) { wt_integer(x); } void wt(i128 x) { wt_integer(x); } void wt(u32 x) { wt_integer(x); } void wt(u64 x) { wt_integer(x); } void wt(u128 x) { wt_integer(x); } void wt(double x) { wt_real(x); } void wt(long double x) { wt_real(x); } void wt(f128 x) { wt_real(x); } template <class T, class U> void wt(const pair<T, U> val) { wt(val.first); wt(' '); wt(val.second); } template <size_t N = 0, typename T> void wt_tuple(const T t) { if constexpr (N < std::tuple_size<T>::value) { if constexpr (N > 0) { wt(' '); } const auto x = std::get<N>(t); wt(x); wt_tuple<N + 1>(t); } } template <class... T> void wt(tuple<T...> tpl) { wt_tuple(tpl); } template <class T, size_t S> void wt(const array<T, S> val) { auto n = val.size(); for (size_t i = 0; i < n; i++) { if (i) wt(' '); wt(val[i]); } } template <class T> void wt(const vector<T> val) { auto n = val.size(); for (size_t i = 0; i < n; i++) { if (i) wt(' '); wt(val[i]); } } void print() { wt('\n'); } template <class Head, class... Tail> void print(Head &&head, Tail &&... tail) { wt(head); if (sizeof...(Tail)) wt(' '); print(forward<Tail>(tail)...); } // gcc expansion. called automaticall after main. void __attribute__((destructor)) _d() { flush(); } } // namespace fastio using fastio::read; using fastio::print; using fastio::flush; #if defined(LOCAL) #define SHOW(...) \ SHOW_IMPL(__VA_ARGS__, SHOW4, SHOW3, SHOW2, SHOW1)(__VA_ARGS__) #define SHOW_IMPL(_1, _2, _3, _4, NAME, ...) NAME #define SHOW1(x) print(#x, "=", (x)), flush() #define SHOW2(x, y) print(#x, "=", (x), #y, "=", (y)), flush() #define SHOW3(x, y, z) print(#x, "=", (x), #y, "=", (y), #z, "=", (z)), flush() #define SHOW4(x, y, z, w) \ print(#x, "=", (x), #y, "=", (y), #z, "=", (z), #w, "=", (w)), flush() #else #define SHOW(...) #endif #define INT(...) \ int __VA_ARGS__; \ read(__VA_ARGS__) #define LL(...) \ ll __VA_ARGS__; \ read(__VA_ARGS__) #define U32(...) \ u32 __VA_ARGS__; \ read(__VA_ARGS__) #define U64(...) \ u64 __VA_ARGS__; \ read(__VA_ARGS__) #define STR(...) \ string __VA_ARGS__; \ read(__VA_ARGS__) #define CHAR(...) \ char __VA_ARGS__; \ read(__VA_ARGS__) #define DBL(...) \ double __VA_ARGS__; \ read(__VA_ARGS__) #define VEC(type, name, size) \ vector<type> name(size); \ read(name) #define VV(type, name, h, w) \ vector<vector<type>> name(h, vector<type>(w)); \ read(name) void YES(bool t = 1) { print(t ? "YES" : "NO"); } void NO(bool t = 1) { YES(!t); } void Yes(bool t = 1) { print(t ? "Yes" : "No"); } void No(bool t = 1) { Yes(!t); } void yes(bool t = 1) { print(t ? "yes" : "no"); } void no(bool t = 1) { yes(!t); } #line 3 "main.cpp" #line 2 "/home/maspy/compro/library/ds/fastset.hpp" // 64-ary tree // space: (N/63) * u64 struct FastSet { static constexpr u32 B = 64; int n, log; vvc<u64> seg; FastSet() {} FastSet(int n) { build(n); } int size() { return n; } template <typename F> FastSet(int n, F f) { build(n, f); } void build(int m) { seg.clear(); n = m; do { seg.push_back(vc<u64>((m + B - 1) / B)); m = (m + B - 1) / B; } while (m > 1); log = len(seg); } template <typename F> void build(int n, F f) { build(n); FOR(i, n) { seg[0][i / B] |= u64(f(i)) << (i % B); } FOR(h, log - 1) { FOR(i, len(seg[h])) { seg[h + 1][i / B] |= u64(bool(seg[h][i])) << (i % B); } } } bool operator[](int i) const { return seg[0][i / B] >> (i % B) & 1; } void insert(int i) { for (int h = 0; h < log; h++) { seg[h][i / B] |= u64(1) << (i % B), i /= B; } } void add(int i) { insert(i); } void erase(int i) { u64 x = 0; for (int h = 0; h < log; h++) { seg[h][i / B] &= ~(u64(1) << (i % B)); seg[h][i / B] |= x << (i % B); x = bool(seg[h][i / B]); i /= B; } } void remove(int i) { erase(i); } // min[x,n) or n int next(int i) { assert(i <= n); chmax(i, 0); for (int h = 0; h < log; h++) { if (i / B == seg[h].size()) break; u64 d = seg[h][i / B] >> (i % B); if (!d) { i = i / B + 1; continue; } i += lowbit(d); for (int g = h - 1; g >= 0; g--) { i *= B; i += lowbit(seg[g][i / B]); } return i; } return n; } // max [0,x], or -1 int prev(int i) { assert(i >= -1); if (i >= n) i = n - 1; for (int h = 0; h < log; h++) { if (i == -1) break; u64 d = seg[h][i / B] << (63 - i % B); if (!d) { i = i / B - 1; continue; } i -= __builtin_clzll(d); for (int g = h - 1; g >= 0; g--) { i *= B; i += topbit(seg[g][i / B]); } return i; } return -1; } bool any(int l, int r) { return next(l) < r; } // [l, r) template <typename F> void enumerate(int l, int r, F f) { for (int x = next(l); x < r; x = next(x + 1)) f(x); } string to_string() { string s(n, '?'); for (int i = 0; i < n; ++i) s[i] = ((*this)[i] ? '1' : '0'); return s; } }; #line 2 "/home/maspy/compro/library/ds/sortable_array.hpp" // int 列を扱う. key の重複可. template <int NODES> struct Sortable_Array { const int N, KEY_MAX; struct Node { int size; Node *l, *r; }; Node* pool; int pid; using np = Node*; FastSet ss; // 区間の左端全体を表す fastset vector<np> root; // 区間の左端に、dynamic segtree の node を乗せる vector<bool> rev; Sortable_Array(int KEY_MAX, vector<int> key) : N(key.size()), KEY_MAX(KEY_MAX), pid(0), ss(key.size()) { pool = new Node[NODES]; init(key); } void set(int i, int key) { assert(0 <= key && key < KEY_MAX); split_at(i), split_at(i + 1); rev[i] = 0, root[i] = new_node(0); set_rec(root[i], 0, KEY_MAX, key); } void sort_inc(int l, int r) { if (l == r) return; split_at(l), split_at(r); while (1) { if (pid > NODES * 0.9) rebuild(); np c = root[l]; int i = ss.next(l + 1); if (i == r) break; root[l] = merge(0, KEY_MAX, c, root[i]); ss.erase(i); } rev[l] = 0; }; void sort_dec(int l, int r) { if (l == r) return; if (pid > NODES * 0.9) rebuild(); sort_inc(l, r), rev[l] = 1; }; vc<int> get_all() { vector<int> key; key.reserve(N); auto dfs = [&](auto& dfs, np n, int l, int r, bool rev) -> void { if (!n || !n->size) return; if (r == l + 1) { FOR(n->size) key.eb(l); return; } int m = (l + r) / 2; if (!rev) { dfs(dfs, n->l, l, m, rev), dfs(dfs, n->r, m, r, rev); } if (rev) { dfs(dfs, n->r, m, r, rev), dfs(dfs, n->l, l, m, rev); } }; for (int i = 0; i < N; ++i) { if (ss[i]) dfs(dfs, root[i], 0, KEY_MAX, rev[i]); } return key; } int get(int idx) { auto dfs = [&](auto& dfs, np n, int l, int r, int k) -> int { if (r == l + 1) { return l; } int m = (l + r) / 2; int s = (n->l ? n->l->size : 0); if (k < s) return dfs(dfs, n->l, l, m, k); return dfs(dfs, n->r, m, r, k - s); }; int i = ss.prev(idx); int k = idx - i; int s = root[i]->size; if (rev[i]) k = s - 1 - k; return dfs(dfs, root[i], 0, KEY_MAX, k); } private: void init(vector<int>& key) { rev.assign(N, 0), root.clear(), root.reserve(N); ss.build(N, [&](int i) -> int { return 1; }); for (int i = 0; i < N; ++i) { root.eb(new_node(0)); assert(key[i] < KEY_MAX); set_rec(root[i], 0, KEY_MAX, key[i]); } } // x が左端になるようにする void split_at(int x) { if (x == N || ss[x]) return; int a = ss.prev(x), b = ss.next(a + 1); ss.insert(x); if (!rev[a]) { auto [nl, nr] = split(root[a], 0, KEY_MAX, x - a); root[a] = nl, root[x] = nr; rev[a] = rev[x] = 0; } else { auto [nl, nr] = split(root[a], 0, KEY_MAX, b - x); root[a] = nr, root[x] = nl; rev[a] = rev[x] = 1; } } void rebuild() { auto key = get_all(); pid = 0; init(key); } np new_node(int size) { assert(pid < NODES); pool[pid].l = pool[pid].r = nullptr; pool[pid].size = size; return &(pool[pid++]); } pair<np, np> split(np n, int l, int r, int k) { if (k == 0) { return {nullptr, n}; } if (k == n->size) { return {n, nullptr}; } if (r == l + 1) { int s = n->size; n->size = k; Node* b = new_node(s - k); return {n, b}; } int s = (n->l ? n->l->size : 0); Node* b = new_node(0); int m = (l + r) / 2; if (k <= s) { auto [nl, nr] = split(n->l, l, m, k); b->l = nr, b->r = n->r, n->l = nl, n->r = nullptr; } if (k > s) { auto [nl, nr] = split(n->r, m, r, k - s); n->l = n->l, n->r = nl, b->l = nullptr, b->r = nr; } update(n), update(b); return {n, b}; } np merge(int l, int r, np a, np b) { if (!a) return b; if (!b) return a; if (r == l + 1) { a->size += b->size; return a; } int m = (l + r) / 2; a->l = merge(l, m, a->l, b->l), a->r = merge(m, r, a->r, b->r); update(a); return a; } void update(np n) { if (!(n->l) && !(n->r)) { return; } if (!(n->l)) { n->size = n->r->size; return; } if (!(n->r)) { n->size = n->l->size; return; } n->size = n->l->size + n->r->size; } void set_rec(np n, int l, int r, int k) { if (r == l + 1) { n->size = 1; return; } int m = (l + r) / 2; if (k < m) { if (!(n->l)) n->l = new_node(0); set_rec(n->l, l, m, k); } if (m <= k) { if (!(n->r)) n->r = new_node(0); set_rec(n->r, m, r, k); } update(n); } }; #line 5 "main.cpp" void solve() { LL(N, Q); VEC(ll, A, N); vc<tuple<ll, ll, ll>> query; vi X = A; FOR(Q) { INT(t); if (t == 1) { LL(k, x); query.eb(t, --k, x); X.eb(x); } if (t == 2) { query.eb(t, -1, -1); } if (t == 3) { LL(k); query.eb(t, --k, -1); } } UNIQUE(X); for (auto& x: A) x = LB(X, x); vc<int> now(N); FOR(i, N) now[i] = A[i]; Sortable_Array<20000000> SA(len(X), now); for (auto& [t, k, x]: query) { if (t == 1) { x = LB(X, x); SA.set(k, x); } if (t == 2) { SA.sort_inc(0, N); } if (t == 3) { ll x = SA.get(k); print(X[x]); } } } signed main() { int T = 1; // INT(T); FOR(T) solve(); return 0; }