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#include <iostream>
 
template<int N>
constexpr int factorial(){
	return N*factorial<N-1>();
}
template<>
constexpr int factorial<0>(){
	return 1;
}
template<>
constexpr int factorial<1>(){
	return 1;
}
struct factorials{
	constexpr static int tab[9]{factorial<1>(), factorial<2>(), factorial<3>(), factorial<4>(), factorial<5>(), factorial<6>(), factorial<7>(), factorial<8>(), factorial<9>()};
};
 
int main() {
	for(int i=0; i<9; i++){
		std::cout << factorials::tab[i] << std::endl;
	}
	return 0;
}

/home/rsANJx/cc5rQ9Rj.o: In function `main':
prog.cpp:(.text.startup+0x17): undefined reference to `factorials::tab'
prog.cpp:(.text.startup+0x3b): undefined reference to `factorials::tab'
collect2: error: ld returned 1 exit status

Standard output is empty