Pastable version of Quanti bit per rappresentare un intero?

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            <pre class="sunburst"><span style="color:#8996A8;">#<span style="color:#AFC4DB;">include</span> <span style="color:#65B042;"><span style="color:#65B042;">&lt;</span>stdio.h<span style="color:#65B042;">&gt;</span></span></span>
<span style="color:#8996A8;">#<span style="color:#AFC4DB;">include</span> <span style="color:#65B042;"><span style="color:#65B042;">&lt;</span>math.h<span style="color:#65B042;">&gt;</span></span></span>
<span style="color:#99CF50;">int</span> <span style="color:#89BDFF;">ma<span style="color:#89BDFF;">in</span></span> ()
{
<span style="color:#99CF50;">int</span> x=<span style="color:#3387CC;">1</span>,z,a; <span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">/*</span> Dichiarazione delle variabili n=numero da inserire,x= potenza,z=valore sentinella<span style="color:#AEAEAE;font-style:italic;">*/</span></span>
<span style="color:#99CF50;">float</span> n;
<span style="color:#DAD085;">printf</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>Vuoi inserire un valore? ( 1=si 0=no)<span style="color:#DDF2A4;">\n</span><span style="color:#65B042;">&quot;</span></span>);
<span style="color:#DAD085;">scanf</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span><span style="color:#DDF2A4;">%d</span><span style="color:#65B042;">&quot;</span></span>,&amp;z);
<span style="color:#E28964;">while</span>(z!=<span style="color:#3387CC;">0</span>)<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">/*</span> Iterazione e condizione necessaria per far ciclare fino a quando vuole l'utente <span style="color:#AEAEAE;font-style:italic;">*/</span></span>
{
<span style="color:#DAD085;">printf</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>Inserisci un valore intero:<span style="color:#DDF2A4;">\n</span><span style="color:#65B042;">&quot;</span></span>);
<span style="color:#DAD085;">scanf</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span><span style="color:#DDF2A4;">%f</span><span style="color:#65B042;">&quot;</span></span>,&amp;n);
<span style="color:#E28964;">if</span>(n!=(<span style="color:#99CF50;">int</span>)n)
<span style="color:#DAD085;">printf</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>Attenzione,devi inserire un valore intero:<span style="color:#DDF2A4;">\n</span><span style="color:#65B042;">&quot;</span></span>);
<span style="color:#E28964;">else</span>
{
<span style="color:#E28964;">for</span>(x=<span style="color:#3387CC;">1</span>;<span style="color:#DAD085;">pow</span>(<span style="color:#3387CC;">2</span>,x)-<span style="color:#3387CC;">1</span>&lt;n;x++)<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">/*</span> Calcolo dei bit con la foruma 2^n-1 <span style="color:#AEAEAE;font-style:italic;">*/</span></span>
;<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">/*</span> Istruzione vuota <span style="color:#AEAEAE;font-style:italic;">*/</span></span>
a=n;
<span style="color:#DAD085;">printf</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>Il numero di bit necessari per rappresentare il valore <span style="color:#DDF2A4;">%d</span> e' <span style="color:#DDF2A4;">%d</span><span style="color:#DDF2A4;">\n</span><span style="color:#DDF2A4;">\n</span><span style="color:#65B042;">&quot;</span></span>,a,x);<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">/*</span> Stampa del risultato <span style="color:#AEAEAE;font-style:italic;">*/</span></span>
<span style="color:#DAD085;">printf</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>Vuoi inserire un valore? ( 1=si 0=no)<span style="color:#DDF2A4;">\n</span><span style="color:#65B042;">&quot;</span></span>);
<span style="color:#DAD085;">scanf</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span><span style="color:#DDF2A4;">%d</span><span style="color:#65B042;">&quot;</span></span>,&amp;z);
}}<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">/*</span> Chiusura del ciclo while <span style="color:#AEAEAE;font-style:italic;">*/</span></span>
<span style="color:#E28964;">return</span> <span style="color:#3387CC;">0</span>;
}
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