1. C++ / Говнокод #27961

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    rule_t block_r = ch_p('{') >> *(~ch_p('}') | (~ch_p('{') >> block_r));
	rule_t bin_r = str_p("0b") >> bin_p[assign(m)];
	rule_t hex_r = str_p("0x") >> hex_p[assign(m)];
	rule_t dec_r = uint_p[assign(m)];
  rule_t id_r = alpha_p >> *(alnum_p | ch_p('_') | ch_p('.'));
  rule_t string_r = ch_p('"') >> (*(~ch_p('"')))[assign(s)] >> ch_p('"');
  rule_t channel_r = str_p("channel") >> *(space_p) >> id_r[assign(s)][assign_a(ch.name,s)][push_back_a(lstJSVars_,s)] >> *(space_p) >> ch_p('{') >>
    *(space_p 
			| (str_p("mode") >> *(space_p) >> ch_p('=') >> *(space_p) >> 
        	(str_p("in")[assign_a(ch.mode,(int)channel::IN)] | str_p("out")[assign_a(ch.mode,(int)channel::OUT)]) >> *(space_p) >> ch_p(';'))
			| (str_p("number") >> *(space_p) >> ch_p('=') >> *(space_p) >> int_p[assign(ch.number)] >> *(space_p) >> ch_p(';')) 
			| (str_p("channel") >> *(space_p) >> ch_p('=') >> *(space_p) >> int_p[assign(ch.ch)] >> *(space_p) >> ch_p(';')) 
			| (str_p("gain") >> *(space_p) >> ch_p('=') >> *(space_p) >> int_p[assign(ch.gain)] >> *(space_p) >> ch_p(';')) 
			| (str_p("type") >> *(space_p) >> ch_p('=') >> *(space_p) >>
					(str_p("analog")[assign_a(ch.type,(int)channel::ANALOG)] | str_p("discrete")[assign_a(ch.type,(int)channel::DISCRETE)]) >> *(space_p) >> ch_p(';'))
			| (str_p("mask") >> *(space_p) >> ch_p('=') >> *(space_p) >> 
					(bin_r[assign_a(ch.mask,m)] | hex_r[assign_a(ch.mask,m)] | dec_r[assign_a(ch.mask,m)]) >> *(space_p) >> ch_p(';'))
    ) >>
    ch_p('}') >> *(space_p) >> ch_p(';'); 
  rule_t device_r = str_p("device_info") >> *(space_p) >> id_r[assign(dev_info_.name)] >> *(space_p) >> ch_p('{') >>
    *(space_p | 
      (str_p("device") >> *(space_p) >> ch_p('=') >> *(space_p) >> string_r[assign_a(dev_info_.dev,s)] >> *(space_p) >> ch_p(';')) | 
      (str_p("blocking") >> *(space_p) >> ch_p('=') >> *(space_p) >> 
        (str_p("true")[assign_a(dev_info_.blocking,true)] | str_p("false")[assign_a(dev_info_.blocking,false)]) >> *(space_p) >> ch_p(';')) |
      (str_p("freq_ch") >> *(space_p) >> ch_p('=') >> *(space_p) >> int_p[assign(dev_info_.freq_ch)] >> *(space_p) >> ch_p(';')) | 
      (str_p("freq_sel_ch") >> *(space_p) >> ch_p('=') >> *(space_p) >> int_p[assign(dev_info_.freq_sel_ch)] >> *(space_p) >> ch_p(';')) |
      (str_p("speed") >> *(space_p) >> ch_p('=') >> *(space_p) >> int_p[assign(dev_info_.speed)] >> *(space_p) >> ch_p(';')) | 
      channel_r[assign_a(v,ch)][push_back_a(lstChannels_,v)]
    ) >>
    ch_p('}') >> *(space_p) >> ch_p(';');
  rule_t var_r = (str_p("var") >> *(space_p) >> id_r[assign(s)][push_back_a(lstJSVars_,s)] >>*(~ch_p(';')) >> ch_p(';'))[assign(s)][push_back_a(lstVars,s)];
  rule_t function_r = str_p("function") >> *(~ch_p('`'));
	//rule_t function_r = str_p("function") >> *(~ch_p('{')) >> block_r;
  rule_t script_r = str_p("script") >> *(space_p) >> ch_p('{') >>
    *(space_p |
      var_r[assign(s)][push_back_a(lstJSVars_,s)] |
      (function_r[assign(s)][push_back_a(lstFunc,s)] >> *(space_p) >> ch_p('`'))
    ) >>
    ch_p('}') >> *(space_p) >> ch_p(';');

    Из системы эмуляции полёта на тренажере.

    codemeow, 21 Января 2022

    Комментарии (64)

  2. C++ / Говнокод #27959

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    int f6(int* a,int k, double& min, int& n, int& count) {
	int i;
	min = a[0];//8
	n = 0;
	count = 0;
	for (i = 0; i < k; i++) {
		if (a[i] == 0) {
			count += 1;
		}
		if (abs(10-abs(a[i])) < abs(min)) {
			min = a[i];
			n = i;
		}
	}
	return 0;
}

    Помогите!!Пожалуйста!!Надо найти ближайший элемент к 10ти и его номер, почему не работает??

    vanya_goy, 18 Января 2022

    Комментарии (158)

  3. C++ / Говнокод #27946

    −3

    1. 1
    https://t.me/stdvector

    го в вектор

    CkpunmoBbIu_nemyx, 12 Января 2022

    Комментарии (24)

  4. C++ / Говнокод #27932

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    struct S { struct Inner { }; };
template<int N> struct X;
auto refl = ˆS;
auto tmpl = ˆX;
void f() {
typename [:refl:] * x; // OK: declares x to be a pointer-to-S
[:refl:] * x; // error: attempt to multiply int by x
[:refl:]::Inner i; // OK: splice as part of a nested-name-specifier
typename [:refl:]{}; // OK: default-constructs an S temporary
using T = [:refl:]; // OK: operand must be a type
struct C : [:refl:] {}; // OK: base classes are types
template [:tmpl:]<0>; // OK: names the specialization
[:tmpl:] < 0 > x; // error: attempt to compare X with 0
}

    и да, это приняли.
    https://lists.isocpp.org/sg7/2021/04/0226.php
    http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p2320r0.pdf

    digitalEugene, 07 Января 2022

    Комментарии (242)

  5. C++ / Говнокод #27921

    0

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    assert(not std::isnan(std::lerp(a, b, INFINITY))); // lerp here can be -inf

    а вы говорите этим никто не пользуется

    https://en.cppreference.com/w/cpp/numeric/lerp

    digitalEugene, 05 Января 2022

    Комментарии (8)

  6. C++ / Говнокод #27838

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    #include <iostream>
#include <cstdio>
 
namespace std {
    namespace ios_base2 {
	    extern struct sync_with_stdio_t {
	    	void h(bool sync = true) {
		    	ios_base::sync_with_stdio(sync);
		    }
	    } sync_with_stdio;
    }
}
 
int main() {
	std::ios_base2::sync_with_stdio.h(false);
	std::cout << "1";
	printf("2");
	std::cout << "3";
	puts("");
	return 0;
}

    132

    https://ideone.com/NkGYUL

    3_dar, 25 Ноября 2021

    Комментарии (6)

  7. C++ / Говнокод #27823

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    // @param n `0 <= n`
// @param m `1 <= m`
// @return `(x ** n) % m`
constexpr long long pow_mod_constexpr(long long x, long long n, int m) {
    if (m == 1) return 0;
    unsigned int _m = (unsigned int)(m);
    unsigned long long r = 1;
    unsigned long long y = safe_mod(x, m);
    while (n) {
        if (n & 1) r = (r * y) % _m;
        y = (y * y) % _m;
        n >>= 1;
    }
    return r;
}
 
// Reference:
// M. Forisek and J. Jancina,
// Fast Primality Testing for Integers That Fit into a Machine Word
// @param n `0 <= n`
constexpr bool is_prime_constexpr(int n) {
    if (n <= 1) return false;
    if (n == 2 || n == 7 || n == 61) return true;
    if (n % 2 == 0) return false;
    long long d = n - 1;
    while (d % 2 == 0) d /= 2;
    constexpr long long bases[3] = {2, 7, 61};
    for (long long a : bases) {
        long long t = d;
        long long y = pow_mod_constexpr(a, t, n);
        while (t != n - 1 && y != 1 && y != n - 1) {
            y = y * y % n;
            t <<= 1;
        }
        if (y != n - 1 && t % 2 == 0) {
            return false;
        }
    }
    return true;
}
template <int n> constexpr bool is_prime = is_prime_constexpr(n);

    https://codeforces.com/contest/1508/submission/113222414

    > if (n == 2 || n == 7 || n == 61) return true;

    Помню я как делал: подобрал 3 базовых числа, прогнал на всех интах, там где алгоритм ошибался - проифал вручную )))

    3_dar, 14 Ноября 2021

    Комментарии (44)

  8. C++ / Говнокод #27810

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    // https://github.com/gcc-mirror/gcc/blob/b0c83d59f44bf677c8d74acae228acf32719acb3/libstdc%2B%2B-v3/include/bits/regex_compiler.tcc#L446
  template<typename _TraitsT>
  template<bool __icase, bool __collate>
    bool
    _Compiler<_TraitsT>::
    _M_expression_term(pair<bool, _CharT>& __last_char,
		       _BracketMatcher<_TraitsT, __icase, __collate>& __matcher)
    {
      if (_M_match_token(_ScannerT::_S_token_bracket_end))
	return false;

      const auto __push_char = [&](_CharT __ch)
      {
	if (__last_char.first)
	  __matcher._M_add_char(__last_char.second);
	else
	  __last_char.first = true;
	__last_char.second = __ch;
      };
      const auto __flush = [&]
      {
	if (__last_char.first)
	  {
	    __matcher._M_add_char(__last_char.second);
	    __last_char.first = false;
	  }
      };

      if (_M_match_token(_ScannerT::_S_token_collsymbol))
	{
	  auto __symbol = __matcher._M_add_collate_element(_M_value);
	  if (__symbol.size() == 1)
	    __push_char(__symbol[0]);
	  else
	    __flush();
	}
      else if (_M_match_token(_ScannerT::_S_token_equiv_class_name))
	{
	  __flush();
	  __matcher._M_add_equivalence_class(_M_value);
	}
      else if (_M_match_token(_ScannerT::_S_token_char_class_name))
	{
	  __flush();
	  __matcher._M_add_character_class(_M_value, false);
	}
      else if (_M_try_char())
	__push_char(_M_value[0]);
      // POSIX doesn't allow '-' as a start-range char (say [a-z--0]),
      // except when the '-' is the first or last character in the bracket
      // expression ([--0]). ECMAScript treats all '-' after a range as a
      // normal character. Also see above, where _M_expression_term gets called.
      //
      // As a result, POSIX rejects [-----], but ECMAScript doesn't.
      // Boost (1.57.0) always uses POSIX style even in its ECMAScript syntax.
      // Clang (3.5) always uses ECMAScript style even in its POSIX syntax.
      //
      // It turns out that no one reads BNFs ;)
      else if (_M_match_token(_ScannerT::_S_token_bracket_dash))
	{
	  if (!__last_char.first)
	    {
	      if (!(_M_flags & regex_constants::ECMAScript))
		{
		  if (_M_match_token(_ScannerT::_S_token_bracket_end))
		    {
		      __push_char('-');
		      return false;
		    }
		  __throw_regex_error(
		    regex_constants::error_range,
		    "Unexpected dash in bracket expression. For POSIX syntax, "
		    "a dash is not treated literally only when it is at "
		    "beginning or end.");
		}
	      __push_char('-');
	    }
	  else
	    {
	      if (_M_try_char())
		{
		  __matcher._M_make_range(__last_char.second, _M_value[0]);
		  __last_char.first = false;
		}
	      else if (_M_match_token(_ScannerT::_S_token_bracket_dash))
		{
		  __matcher._M_make_range(__last_char.second, '-');
		  __last_char.first = false;
		}
	      else
		{
		  if (_M_scanner._M_get_token()
		      != _ScannerT::_S_token_bracket_end)
		    __throw_regex_error(
		      regex_constants::error_range,
		      "Character is expected after a dash.");
		  __push_char('-');
		}
	    }
	}

    Читаю тут реализацию стандартной говнокрестовой библиотеки из GCC
    Какой багор )))

    j123123, 10 Ноября 2021

    Комментарии (54)

  9. C++ / Говнокод #27796

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    #include <iostream>
#include <cmath>
#include <signal.h>

#define lovu struct
#define cpp ptrdiff_t
struct forever{};

lovu forever hactehbka(void) {return {};}
int love(void) {return 0;}
void bacbka(void) {}
auto bormand = (cpp(hactehbka) + cpp(bacbka)) != cpp(love);
int main(void)
{
    if(bormand)
        kill(bormand, SIGINT);

    auto sad = cpp(bacbka) - cpp(love),
        chance = cpp(love) - cpp(hactehbka),
        never = cpp(bacbka) - cpp(hactehbka);
    auto usocute = [chance, never, sad](void) -> void
    {
        putchar(sad * (chance - never / chance / 2) - sad / chance);
        putchar(sad * (chance - never / chance / 2) + sad / chance);
    };
    auto mydear = [chance, sad, never](void) -> void
    {
        putchar(sad * chance / (never / chance) + never / chance / 2 + (never + cpp(love) / (never / chance) - cpp(hactehbka) / (never / chance)) + never - (never / chance * 1.5));
        putchar(9 * chance + never / chance);
        putchar(std::abs(cpp(signal) - cpp(hactehbka) + chance * 2 + never * 3 + sad - 9) / std::pow(never / chance, 3));
    };

    putchar(sad * (chance - never / chance / 2));
    usocute();
    putchar(never * (chance - never / chance) + sad - (sad / (cpp(love) - cpp(hactehbka))) * (never / chance * 1.5));
    mydear();
    putchar(chance * 10 + never / chance);
    usocute();
    putchar((chance + never / chance / 2) * 10 + (never / chance) * 2);
    auto ohyes = 69.8886;
    putchar(ohyes);
    putchar(chance * 10 + never / chance);
    putchar(chance + never / chance / 2);
    putchar(never * (chance - never / chance) + sad - (sad / (cpp(love) - cpp(hactehbka))) * (never / chance * 1.5));
    mydear();
    for(auto&& c : {1.5f, 3.f, 6.5f})
        putchar(ohyes + M_PI + never / chance * c);
    putchar(ohyes);
    putchar(chance + never / chance * 1.5);
    return 0;
}

    BACbKA, 05 Ноября 2021

    Комментарии (3)

  10. C++ / Говнокод #27794

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    #include <cstdio>

int main(void)
{
    static char data[] = "sosu hui\n";
    __asm
    {
        mov eax, 0
        ploop:
            mov bl, [data + eax]
            push eax
            push bx
            call putchar
            pop bx
            pop eax
            inc eax
            cmp bl, 0
            jnz ploop

    }

    return 0;
}

    digitalEugene, 05 Ноября 2021

    Комментарии (13)