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transformarea unei baze in baza 10

 

#include<iostream.h>
#include<math.h>
#include<conio.h>
 void main ()
{
long n,h,s,r,p,b,nn;
cout<<"n=";
cin>>n;
cout<<"b=";
cin>>b;
s=n%10;
n=n/10;
p=1;
while(n!=0)
{ r=n%10;
p=p*b;
s=s+p*r;
n=n/10;}
cout<<s;
}