結果
問題 | No.1653 Squarefree |
ユーザー | scol_kp |
提出日時 | 2021-08-21 14:50:31 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 776 ms / 2,000 ms |
コード長 | 4,385 bytes |
コンパイル時間 | 2,147 ms |
コンパイル使用メモリ | 205,820 KB |
実行使用メモリ | 15,652 KB |
最終ジャッジ日時 | 2024-10-15 05:52:45 |
合計ジャッジ時間 | 22,827 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 751 ms
15,580 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 257 ms
11,264 KB |
testcase_12 | AC | 256 ms
11,136 KB |
testcase_13 | AC | 766 ms
15,576 KB |
testcase_14 | AC | 740 ms
15,392 KB |
testcase_15 | AC | 748 ms
15,596 KB |
testcase_16 | AC | 762 ms
15,516 KB |
testcase_17 | AC | 754 ms
15,520 KB |
testcase_18 | AC | 760 ms
15,628 KB |
testcase_19 | AC | 759 ms
15,632 KB |
testcase_20 | AC | 776 ms
15,524 KB |
testcase_21 | AC | 762 ms
15,652 KB |
testcase_22 | AC | 770 ms
15,652 KB |
testcase_23 | AC | 747 ms
15,524 KB |
testcase_24 | AC | 755 ms
15,484 KB |
testcase_25 | AC | 753 ms
15,520 KB |
testcase_26 | AC | 755 ms
15,400 KB |
testcase_27 | AC | 741 ms
15,636 KB |
testcase_28 | AC | 759 ms
15,180 KB |
testcase_29 | AC | 758 ms
15,612 KB |
testcase_30 | AC | 775 ms
15,400 KB |
testcase_31 | AC | 757 ms
15,580 KB |
testcase_32 | AC | 753 ms
15,524 KB |
testcase_33 | AC | 738 ms
15,560 KB |
testcase_34 | AC | 749 ms
15,572 KB |
testcase_35 | AC | 753 ms
15,580 KB |
testcase_36 | AC | 12 ms
7,936 KB |
testcase_37 | AC | 11 ms
7,936 KB |
testcase_38 | AC | 11 ms
8,024 KB |
testcase_39 | AC | 11 ms
7,936 KB |
testcase_40 | AC | 12 ms
7,936 KB |
ソースコード
#include <bits/stdc++.h> #define FASTIO using namespace std; using ll = long long; using Vi = std::vector<int>; using Vl = std::vector<ll>; using Pii = std::pair<int, int>; using Pll = std::pair<ll, ll>; template <class T> using min_priority_queue = std::priority_queue<T, std::vector<T>, std::greater<T>>; constexpr int I_INF = std::numeric_limits<int>::max(); constexpr ll L_INF = std::numeric_limits<ll>::max(); template <typename T1, typename T2> inline bool chmin(T1& a, const T2& b) { if (a > b) { a = b; return true; } return false; } template <typename T1, typename T2> inline bool chmax(T1& a, const T2& b) { if (a < b) { a = b; return true; } return false; } template <std::ostream& os = std::cout> class Prints { private: class __Prints { public: __Prints(const char* sep, const char* term) : sep(sep), term(term) {} template <class... Args> #if __cplusplus >= 201703L auto operator()(const Args&... args) const -> decltype((os << ... << std::declval<Args>()), void()) { #else void operator()(const Args&... args) const { #endif print(args...); } template <typename T> #if __cplusplus >= 201703L auto pvec(const T& vec, size_t sz) const -> decltype(os << std::declval<decltype(std::declval<T>()[0])>(), void()) { #else void pvec(const T& vec, size_t sz) const { #endif for (size_t i = 0; i < sz; i++) os << vec[i] << (i == sz - 1 ? term : sep); } template <typename T> #if __cplusplus >= 201703L auto pmat(const T& mat, size_t h, size_t w) const -> decltype(os << std::declval<decltype(std::declval<T>()[0][0])>(), void()) { #else void pmat(const T& mat, size_t h, size_t w) const { #endif for (size_t i = 0; i < h; i++) for (size_t j = 0; j < w; j++) os << mat[i][j] << (j == w - 1 ? term : sep); } private: const char *sep, *term; void print() const { os << term; } void print_rest() const { os << term; } template <class T, class... Tail> void print(const T& head, const Tail&... tail) const { os << head, print_rest(tail...); } template <class T, class... Tail> void print_rest(const T& head, const Tail&... tail) const { os << sep << head, print_rest(tail...); } }; public: Prints() {} __Prints operator()(const char* sep = " ", const char* term = "\n") const { return __Prints(sep, term); } }; Prints<> prints; Prints<std::cerr> prints_err; //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% void solve() { ll L, R; cin >> L >> R; ++R; int LIM = pow(R, 1.0 / 3.0) + 1; std::vector<int> mpf(LIM + 1); std::vector<int> primes; for (int i = 2; i <= LIM; i++) { if (mpf[i] == 0) { mpf[i] = i; primes.emplace_back(i); } for (const auto& p : primes) { if (i * p > LIM || p > mpf[i]) break; mpf[i * p] = p; } } Vl A(R - L); for (ll i = 0; i < R - L; i++) { A[i] = L + i; } for (auto p : primes) { for (ll i = (p - L % p) % p; i < R - L; i += p) { A[i] /= p; if (A[i] % p == 0) A[i] = -1; } } ll ans = 0; for (ll i = 0; i < R - L; i++) { if (A[i] == -1) { continue; } if (A[i] == 1) { ++ans; continue; } ll left = 0, right = R; while (right - left > 1) { ll mid = (left + right) >> 1; if (mid <= A[i] / mid) { left = mid; } else { right = mid; } } if (A[i] != left * left) { ++ans; } } prints()(ans); } //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% int main() { #ifdef FASTIO std::cin.tie(nullptr), std::cout.tie(nullptr); std::ios::sync_with_stdio(false); #endif #ifdef FILEINPUT std::ifstream ifs("./in_out/input.txt"); std::cin.rdbuf(ifs.rdbuf()); #endif #ifdef FILEOUTPUT std::ofstream ofs("./in_out/output.txt"); std::cout.rdbuf(ofs.rdbuf()); #endif std::cout << std::setprecision(18) << std::fixed; solve(); std::cout << std::flush; return 0; }