#include<stdio.h> int fn(int v); main() { printf("%d\n"

#include<stdio.h>
int fn(int v);
main()
{

printf("%d\n",fn(7));
}
int fn(int v)
{
if(v==1 || v==0)
return 1;
if(v%2==0)
return fn(v/2)+2;
else
return fn(v-1)+3;
}

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