tests/data-structure/dynamic-bitset/itp2-10c.test.cpp

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Last update: 2026-03-10 00:09:38+09:00
Problem: https://onlinejudge.u-aizu.ac.jp/courses/lesson/8/ITP2/10/ITP2_10_C

Depends on

Code

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

#include "../../../library/data-structure/dynamic-bitset.hpp"
#include "../../../library/fastio.hpp"
#define PROBLEM "https://onlinejudge.u-aizu.ac.jp/courses/lesson/8/ITP2/10/ITP2_10_C"

int main() {
  int q;
  asalib::in >> q;
  asalib::ds::DynamicBitset bs(64);
  while (q--) {
    int op;
    asalib::in >> op;
    if (op == 0) {
      // test
      int x;
      asalib::in >> x;
      asalib::out << (bs.test(x) ? 1 : 0) << '\n';
    }
    if (op == 1) {
      // set
      int x;
      asalib::in >> x;
      bs.set(x);
    }
    if (op == 2) {
      // clear
      int x;
      asalib::in >> x;
      bs.reset(x);
    }
    if (op == 3) {
      // flip
      int x;
      asalib::in >> x;
      bs.flip(x);
    }
    if (op == 4) {
      // all
      asalib::out << (bs.all() ? 1 : 0) << '\n';
    }
    if (op == 5) {
      // any
      asalib::out << (bs.any() ? 1 : 0) << '\n';
    }
    if (op == 6) {
      // none
      asalib::out << (bs.none() ? 1 : 0) << '\n';
    }
    if (op == 7) {
      // count
      asalib::out << bs.count() << '\n';
    }
    if (op == 8) {
      // val
      asalib::out << bs.to_ull() << '\n';
    }
  }
  return 0;
}

#line 1 "tests/data-structure/dynamic-bitset/itp2-10c.test.cpp"
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

#line 2 "library/data-structure/dynamic-bitset.hpp"

#line 4 "library/data-structure/dynamic-bitset.hpp"
#include <bit>
#line 6 "library/data-structure/dynamic-bitset.hpp"
#include <concepts>
#line 11 "library/data-structure/dynamic-bitset.hpp"
using namespace std;

namespace asalib::ds {
  class DynamicBitset {
    int siz = 0;
    vector<uint64_t> bits;

    public:
    constexpr explicit DynamicBitset() = default;
    constexpr DynamicBitset(const DynamicBitset&) = default;
    constexpr ~DynamicBitset() = default;
    constexpr DynamicBitset& operator=(const DynamicBitset&) = default;
    constexpr explicit DynamicBitset(const int size) {
      siz = size;
      bits.reserve((size + 63) >> 6);
      bits.resize((size + 63) >> 6, 0);
    }
    template<integral T>
    constexpr explicit DynamicBitset(const int size, const T value) {
      // TODO: ほかの型も考慮する
      static_assert(sizeof(T) <= sizeof(uint64_t), "DynamicBitset: value type too large");
      siz = size;
      bits.reserve((size + 63) >> 6);
      bits.resize((size + 63) >> 6, 0);
      bits[0] = static_cast<uint64_t>(value);
      trim();
    }

    constexpr DynamicBitset& operator&=(const DynamicBitset& other) {
      assert(siz == other.siz);
      const int sz = bits.size();
      for (int i = 0; i < sz; ++i) bits[i] &= other.bits[i];
      return *this;
    }
    constexpr DynamicBitset& operator|=(const DynamicBitset& other) {
      assert(siz == other.siz);
      const int sz = bits.size();
      for (int i = 0; i < sz; ++i) bits[i] |= other.bits[i];
      return *this;
    }
    constexpr DynamicBitset& operator^=(const DynamicBitset& other) {
      assert(siz == other.siz);
      const int sz = bits.size();
      for (int i = 0; i < sz; ++i) bits[i] ^= other.bits[i];
      return *this;
    }
    constexpr DynamicBitset& operator<<=(const int shift) {
      if (shift == 0) return *this;
      const int full = shift >> 6;
      const int rem = shift & 63;
      const int sz = bits.size();
      if (full >= sz) {
        ranges::fill(bits, 0);
        return *this;
      }
      if (rem == 0) {
        for (int i = sz - 1; i >= full; --i) bits[i] = bits[i - full];
        ranges::fill(bits.begin(), bits.begin() + full, 0);
      }
      else {
        for (int i = sz - 1; i >= full; --i) {
          bits[i] = bits[i - full] << rem;
          if (i - full - 1 >= 0) bits[i] |= bits[i - full - 1] >> (64 - rem);
        }
        ranges::fill(bits.begin(), bits.begin() + full, 0);
      }
      trim();
      return *this;
    }
    constexpr DynamicBitset& operator>>=(const int shift) {
      if (shift == 0) return *this;
      const int full = shift >> 6;
      const int rem = shift & 63;
      const int sz = bits.size();
      if (full >= sz) {
        ranges::fill(bits, 0);
        return *this;
      }
      if (rem == 0) {
        for (int i = 0; i < sz - full; ++i) bits[i] = bits[i + full];
        ranges::fill(bits.end() - full, bits.end(), 0);
      }
      else {
        for (int i = 0; i < sz - full; ++i) {
          bits[i] = bits[i + full] >> rem;
          if (i + full + 1 < sz) bits[i] |= bits[i + full + 1] << (64 - rem);
        }
        ranges::fill(bits.end() - full, bits.end(), 0);
      }
      return *this;
    }
    constexpr DynamicBitset& set() {
      for (int i = 0; i < ranges::ssize(bits); ++i) bits[i] = ~0ULL;
      trim();
      return *this;
    }
    constexpr DynamicBitset& set(const int pos, const bool val = true) {
      if (pos >= siz) throw out_of_range("DynamicBitset::set: position out of range");
      const int idx = pos >> 6;
      const int bit = pos & 63;
      if (val)
        bits[idx] |= (1ULL << bit);
      else
        bits[idx] &= ~(1ULL << bit);
      return *this;
    }
    constexpr DynamicBitset& reset() {
      ranges::fill(bits, 0);
      return *this;
    }
    constexpr DynamicBitset& reset(const int pos) { return set(pos, false); }
    constexpr DynamicBitset operator~() const {
      DynamicBitset res = *this;
      res.flip();
      return res;
    }
    constexpr DynamicBitset& flip() {
      for (int i = 0; i < ranges::ssize(bits); ++i) bits[i] = ~bits[i];
      trim();
      return *this;
    }
    constexpr DynamicBitset& flip(const int pos) {
      if (pos >= siz) throw out_of_range("DynamicBitset::flip: position out of range");
      const int idx = pos >> 6;
      const int bit = pos & 63;
      bits[idx] ^= (1ULL << bit);
      return *this;
    }

    constexpr int count() const {
      int cnt = 0;
      for (const uint64_t& b : bits) cnt += popcount(b);
      return cnt;
    }
    constexpr int size() const { return siz; }
    constexpr bool test(const int pos) const {
      if (pos >= siz) throw out_of_range("DynamicBitset::test: position out of range");
      const int idx = pos >> 6;
      const int bit = pos & 63;
      return (bits[idx] >> bit) & 1;
    }
    constexpr bool all() const {
      for (const uint64_t& b : bits)
        if (b != ~0ULL) return false;
      return true;
    }
    constexpr bool any() const {
      for (const uint64_t& b : bits)
        if (b != 0) return true;
      return false;
    }
    constexpr bool none() const {
      for (const uint64_t& b : bits)
        if (b != 0) return false;
      return true;
    }
    constexpr uint64_t to_ull() const {
      if (bits.size() > 1) throw logic_error("DynamicBitset::to_ull: overflow");
      if (bits.empty()) return 0;
      return bits[0];
    }
    constexpr string to_string() const {
      string res;
      res.reserve(siz);
      for (int i = 0; i < siz; ++i) res += (test(i) ? '1' : '0');
      ranges::reverse(res);
      return res;
    }

    constexpr bool operator==(const DynamicBitset& other) const {
      if (siz != other.siz) return false;
      for (int i = 0; i < ranges::ssize(bits); ++i)
        if (bits[i] != other.bits[i]) return false;
      return true;
    }
    constexpr bool operator!=(const DynamicBitset& other) const {
      return !(*this == other);
    }
    constexpr DynamicBitset operator<<(const uint64_t shift) const {
      DynamicBitset res = *this;
      res <<= shift;
      return res;
    }
    constexpr DynamicBitset operator>>(const uint64_t shift) const {
      DynamicBitset res = *this;
      res >>= shift;
      return res;
    }
    constexpr DynamicBitset operator&(const DynamicBitset& other) const {
      DynamicBitset res = *this;
      res &= other;
      return res;
    }
    constexpr DynamicBitset operator|(const DynamicBitset& other) const {
      DynamicBitset res = *this;
      res |= other;
      return res;
    }
    constexpr DynamicBitset operator^(const DynamicBitset& other) const {
      DynamicBitset res = *this;
      res ^= other;
      return res;
    }

    private:
    constexpr void trim() {
      if (const int rem = siz & 63; rem != 0 && !bits.empty()) bits.back() &= (1ULL << rem) - 1;
    }
  };
}  // namespace asalib::ds
#line 2 "library/fastio.hpp"

#line 11 "library/fastio.hpp"
#include <type_traits>
using namespace std;

// TODO: 何も入力がない場合にも対応する？

namespace asalib {
  namespace _internal {
    class FastIn {
      static constexpr unsigned int BUFFER_SIZE = 1 << 20;
      static constexpr unsigned int MAX_TOKEN_SIZE = 64;
      array<char, BUFFER_SIZE> read_buffer = {};
      array<char, BUFFER_SIZE>::iterator read_ptr = nullptr;
      unsigned int read_size = 0;

      public:
      FastIn() {
        read_buffer.fill(0);
        read_ptr = read_buffer.begin();
        load();
      }

      private:
      void load() {
        // まだ読んでないデータを前に持ってくる
        memcpy(read_buffer.begin(), read_ptr, read_size - (read_ptr - read_buffer.begin()));
        read_size -= read_ptr - read_buffer.begin();
        read_ptr = read_buffer.begin();
        // stdin から読み込み
        read_size += fread(read_buffer.begin() + read_size, 1, BUFFER_SIZE - read_size, stdin);
      }

      void skip_space() {
        // 制御文字 + space
        // DEL (127 = 0x7F) がコーナーケースだがまあ使わんやろ
        while (*read_ptr <= ' ') ++read_ptr;
      }

      template<typename T>
        requires(integral<T> || is_same_v<T, __int128_t> || is_same_v<T, __uint128_t>)
      void _read_uint(T& x) {
        x = 0;
        while (true) {
          uint64_t v;
          memcpy(&v, read_ptr, 8);
          // '0' -> 0 処理
          // こっちを先にやることで制御文字系もはじく
          v -= 0x30'30'30'30'30'30'30'30;
          // ASCII 範囲外
          if (v & 0x80'80'80'80'80'80'80'80) break;
          // 桁ごとの数字から数値に
          v = (v * 10 + (v >> 8)) & 0x00ff00ff00ff00ff;
          v = (v * 100 + (v >> 16)) & 0x0000ffff0000ffff;
          v = (v * 10000 + (v >> 32)) & 0x00000000ffffffff;
          x = 1'0000'0000 * x + v;
          read_ptr += 8;
        }
        while (true) {
          uint32_t v;
          memcpy(&v, read_ptr, 4);
          v -= 0x30'30'30'30;
          if (v & 0x80'80'80'80) break;
          v = (v * 10 + (v >> 8)) & 0x00ff00ff;
          v = (v * 100 + (v >> 16)) & 0x0000ffff;
          x = 1'0000 * x + v;
          read_ptr += 4;
        }
        while (true) {
          uint16_t v;
          memcpy(&v, read_ptr, 2);
          v -= 0x3030;
          if (v & 0x8080) break;
          v = (v * 10 + (v >> 8)) & 0x00ff;
          x = 100 * x + v;
          read_ptr += 2;
        }
        if (*read_ptr > ' ') x = 10 * x + (*read_ptr++ & 0x0f);
      }

      void read_commonop() {
        // そろそろ限界なら読み込み
        if ((read_ptr - read_buffer.begin()) + MAX_TOKEN_SIZE >= BUFFER_SIZE) load();
        skip_space();
      }

      public:
      FastIn& operator>>(char& x) {
        read_commonop();
        x = *read_ptr++;
        return *this;
      }

      FastIn& operator>>(string& x) {
        read_commonop();
        x.clear();
        while (*read_ptr > ' ') {
          x += *read_ptr++;
          if (read_ptr == read_buffer.end()) load();
        }
        return *this;
      }

      template<typename T>
        requires(integral<T> || is_same_v<T, __int128_t> || is_same_v<T, __uint128_t>)
      FastIn& operator>>(T& x) {
        read_commonop();
        if constexpr (is_signed_v<T> || is_same_v<T, __int128_t>) {
          if (*read_ptr == '-') {
            ++read_ptr;
            _read_uint(x);
            x = -x;
            return *this;
          }
        }
        _read_uint(x);
        return *this;
      }
    };

    class FastOut {
      static constexpr unsigned int BUFFER_SIZE = 1 << 20;
      static constexpr unsigned int MAX_TOKEN_SIZE = 64;
      static constexpr unsigned int MAX_PRECOMPUTE_NUM = 1'0000;
      static constexpr unsigned int MAX_PRECOMPUTE_NUM_DIGIT = 4;
      array<char, BUFFER_SIZE> write_buffer = {};
      array<char, BUFFER_SIZE>::iterator write_ptr = nullptr;

      public:
      FastOut() {
        write_buffer.fill(0);
        write_ptr = write_buffer.begin();
      }
      ~FastOut() { flush(); }

      private:
      static constexpr array<char, MAX_PRECOMPUTE_NUM * MAX_PRECOMPUTE_NUM_DIGIT> digits = [] {
        array<char, MAX_PRECOMPUTE_NUM * MAX_PRECOMPUTE_NUM_DIGIT> digits {};
        for (unsigned int i = 0; i < MAX_PRECOMPUTE_NUM; ++i) {
          unsigned int x = i;
          for (int j = MAX_PRECOMPUTE_NUM_DIGIT - 1; j >= 0; --j) {
            digits[i * MAX_PRECOMPUTE_NUM_DIGIT + j] = '0' + (x % 10);
            x /= 10;
          }
        }
        return digits;
      }();

      template<typename T>
        requires(integral<T> || is_same_v<T, __int128_t> || is_same_v<T, __uint128_t>)
      static constexpr array<T, numeric_limits<T>::digits10 + 1> Pow10 = [] {
        array<T, numeric_limits<T>::digits10 + 1> pow10 {};
        pow10[0] = 1;
        for (unsigned int i = 1; i < pow10.size(); ++i) pow10[i] = pow10[i - 1] * 10;
        return pow10;
      }();

      void write_commonop() {
        // そろそろ限界なら書き込む
        if ((write_ptr - write_buffer.begin()) + MAX_TOKEN_SIZE >= BUFFER_SIZE) flush();
      }

      void putchar(const char& x) { *write_ptr++ = x; }

      template<typename T, int NumDig>
        requires(integral<T> || is_same_v<T, __int128_t> || is_same_v<T, __uint128_t>)
      void _write_uint_top(const T& x) {
        // leading-zero を書き込まないようにする
        if constexpr (NumDig > 1) {
          if (x < Pow10<T>[NumDig - 1]) {
            _write_uint_top<T, NumDig - 1>(x);
            return;
          }
        }
        copy_n(digits.begin() + (x + 1) * MAX_PRECOMPUTE_NUM_DIGIT - NumDig, NumDig, write_ptr);
        write_ptr += NumDig;
      }

      template<typename T, int NumDig>
        requires(integral<T> || is_same_v<T, __int128_t> || is_same_v<T, __uint128_t>)
      void _write_uint(const T& x) {
        if constexpr (NumDig >= 0) {
          if constexpr (NumDig > MAX_PRECOMPUTE_NUM_DIGIT) _write_uint<T, NumDig - MAX_PRECOMPUTE_NUM_DIGIT>(x / MAX_PRECOMPUTE_NUM);
          copy_n(digits.begin() + x % MAX_PRECOMPUTE_NUM * MAX_PRECOMPUTE_NUM_DIGIT, MAX_PRECOMPUTE_NUM_DIGIT, write_ptr);
          write_ptr += MAX_PRECOMPUTE_NUM_DIGIT;
        }
      }

      template<typename T, int NumDig>
        requires(integral<T> || is_same_v<T, __int128_t> || is_same_v<T, __uint128_t>)
      void _write_uint_root(const T& x) {
        if constexpr (is_same_v<T, __int128_t> || is_same_v<T, __uint128_t>) {
          // 128bit 除算はおそいので 64bit 除算を使う
          if (x < Pow10<T>[16]) {
            _write_uint_root<uint64_t, NumDig>(x);
          }
          else if (x < Pow10<T>[32]) {
            _write_uint_root<uint64_t, NumDig>(x / Pow10<T>[16]);
            _write_uint<uint64_t, 16>(x % Pow10<T>[16]);
          }
          else {
            _write_uint_root<uint64_t, NumDig>(x / Pow10<T>[32]);
            _write_uint<uint64_t, 16>(x % Pow10<T>[32] / Pow10<T>[16]);
            _write_uint<uint64_t, 16>(x % Pow10<T>[16]);
          }
          return;
        }

        if constexpr (NumDig < numeric_limits<T>::digits10) {
          if (x >= Pow10<T>[NumDig]) {
            _write_uint_root<T, NumDig + MAX_PRECOMPUTE_NUM_DIGIT>(x);
            return;
          }
        }
        _write_uint_top<T, MAX_PRECOMPUTE_NUM_DIGIT>(x / Pow10<T>[NumDig - MAX_PRECOMPUTE_NUM_DIGIT]);
        if constexpr (NumDig > MAX_PRECOMPUTE_NUM_DIGIT) _write_uint<T, NumDig - MAX_PRECOMPUTE_NUM_DIGIT>(x % Pow10<T>[NumDig - MAX_PRECOMPUTE_NUM_DIGIT]);
      }

      public:
      void flush() {
        fwrite(write_buffer.begin(), 1, write_ptr - write_buffer.begin(), stdout);
        write_ptr = write_buffer.begin();
      }

      FastOut& operator<<(const char& x) {
        write_commonop();
        putchar(x);
        return *this;
      }

      FastOut& operator<<(const string& x) {
        write_commonop();
        unsigned int idx = 0;
        while (idx < x.size()) {
          const unsigned int siz = min(BUFFER_SIZE - static_cast<unsigned int>(write_ptr - write_buffer.begin()), static_cast<unsigned int>(x.size()) - idx);
          copy_n(x.begin() + idx, siz, write_ptr);
          write_ptr += siz;
          idx += siz;
          if (write_ptr == write_buffer.end()) flush();
        }
        return *this;
      }

      template<typename T>
        requires(integral<T> || is_same_v<T, __int128_t> || is_same_v<T, __uint128_t>)
      FastOut& operator<<(const T& x) {
        write_commonop();
        if constexpr (is_signed_v<T> || is_same_v<T, __int128_t>) {
          if (x < 0) {
            putchar('-');
            _write_uint_root<T, MAX_PRECOMPUTE_NUM_DIGIT>(-x);
            return *this;
          }
        }
        _write_uint_root<T, MAX_PRECOMPUTE_NUM_DIGIT>(x);
        return *this;
      }
    };
  }  // namespace _internal

  inline _internal::FastIn in;
  inline _internal::FastOut out;
}  // namespace asalib
#line 9 "tests/data-structure/dynamic-bitset/itp2-10c.test.cpp"
#define PROBLEM "https://onlinejudge.u-aizu.ac.jp/courses/lesson/8/ITP2/10/ITP2_10_C"

int main() {
  int q;
  asalib::in >> q;
  asalib::ds::DynamicBitset bs(64);
  while (q--) {
    int op;
    asalib::in >> op;
    if (op == 0) {
      // test
      int x;
      asalib::in >> x;
      asalib::out << (bs.test(x) ? 1 : 0) << '\n';
    }
    if (op == 1) {
      // set
      int x;
      asalib::in >> x;
      bs.set(x);
    }
    if (op == 2) {
      // clear
      int x;
      asalib::in >> x;
      bs.reset(x);
    }
    if (op == 3) {
      // flip
      int x;
      asalib::in >> x;
      bs.flip(x);
    }
    if (op == 4) {
      // all
      asalib::out << (bs.all() ? 1 : 0) << '\n';
    }
    if (op == 5) {
      // any
      asalib::out << (bs.any() ? 1 : 0) << '\n';
    }
    if (op == 6) {
      // none
      asalib::out << (bs.none() ? 1 : 0) << '\n';
    }
    if (op == 7) {
      // count
      asalib::out << bs.count() << '\n';
    }
    if (op == 8) {
      // val
      asalib::out << bs.to_ull() << '\n';
    }
  }
  return 0;
}