Кресты / Говнокод #19059 Ссылка на оригинал

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template<size_t n>
struct counterNumber {
    char data[n+1];
};
 
template<size_t index, size_t val>
counterNumber<val> magic(counterNumber<index>, counterNumber<val>);
 
#define COUNTER_READ() \
    (sizeof( \
        magic(counterNumber<1>(), \
        	magic(counterNumber<2>(), \
        		magic(counterNumber<4>(), \
        			magic(counterNumber<8>(), \
        				magic(counterNumber<16>(), \
        					magic(counterNumber<32>(), \
        						magic(counterNumber<64>(), \
        							magic(counterNumber<128>(), counterNumber<0>())))))))))-1)
 
#define COUNTER_INC() \
    counterNumber<COUNTER_READ()+1> magic( \
        counterNumber<(COUNTER_READ()+1)&~COUNTER_READ()>, \
        counterNumber<(COUNTER_READ()+1)&COUNTER_READ()>)
 
#include <iostream>
using namespace std;
#define TO_STRING(x) #x
 
 
#define REG_FUNCTIONAL(headFunction) \
    template<> \
    constexpr auto foo< COUNTER_READ() >() \
    { \
        return TO_STRING(headFunction); \
    } \
    COUNTER_INC(); \
    headFunction
 
template<size_t n>
constexpr auto foo(void){return "";}
 
 
REG_FUNCTIONAL(void function(int a)){(void)a;}
REG_FUNCTIONAL(void function1(int a)){(void)a;}
 
 
	// your code goes here
template<size_t n>
std::string callFoo()
{
    return std::string(foo<n>())+callFoo<n-1>();
}
 
template<>
std::string callFoo<0>()
{
    return std::string(foo<0>());
}
 
int main() {
	std::cout<<callFoo<COUNTER_READ()-1>();
	return 0;
}

https://ideone.com/bASDDc

Запостил: IKing IKing, (Updated )

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