enzymical@theorytoe @lina C++ is very easy, just
enum{START=1,END=500,}; #define u using #define C const #define S struct #define P putchar #define t template #define CE constexpr #define st static #define R return #define F(x,a...) for(x)a #define A auto u I=int;u c=char;u s=long unsigned;extern "C" I P(I); t<s N=1,s M=1>S m{ st CE A f=[](s n,s m)CE{s mt=n/m;R n-mt*m;}; st CE s v=f(N,M); }; t<s N>S tg{u L=c[N];L d; CE tg(L C& sl){F(s i=0;i<N;++i,d[i]=sl[i];)}}; t<s N>tg(c C(&)[N])->tg<N>; t<s,tg,I>S ps{}; t<s N,tg T>S ps<N,T,0>{ps(){F(s i=0;P(T.d[i++]);,;)}}; t<s,I>S pn{}; t<s N>S pn<N,0>{pn(){ s sz=1; F(s i=N;i/=10;++sz,;) F(s i=sz;i;--i,{ s r=1;F(s j=i-1;j;--j,r*=10;) P('0'+m<>::f(N/r,10)); }) }}; t<s N>S p{p(){ ps<N,"Fizz",m<N,3>::v>{}; ps<N,"Buzz",m<N,5>::v>{}; pn<N,!m<N,3>::v+!m<N,5>::v>{}; P(10); }}; t<s N,s E>S fb:p<N>{fb(){fb<N+1,E>{};}}; t<s N>S fb<N,N>:p<N>{}; I main(){fb<START,END>{};}
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