partea2.2

#include <stdio.h>
#include <iostream>
#include <cstring>
using namespace std;

/*
//baza8
void baza10tob (int x, int b)
{
  if (x)
    {
      baza10tob (x / b, b);
      cout << x % b;
    }

}
*/

/*
//baza16
void  baza10tob(int x, int b)
{
    if(x)
      {
          baza10tob(x / b , b);
          if(x % b < 10)
             cout<< x % b;
          else
             cout<<(char)('A' + x % b % 10);
      }

}

*/

//din baza b in baza 10
int putere(int x, int p)
{
    int pow=1;
    for(int i=0;i<p;i++)
        pow *=x;
    return pow;

}

int baza_b_to_10(const char s[], int b )
{
    int sum=0;
    int n = strlen(s);
    for(int i=0; i<n; i++)
        if(s[i] <= '9')
          sum += (s[i] - '0') * putere(b, n - i - 1);
        else
          sum += (s[i] - 'A' + 10) * putere(b, n - i - 1);

    return sum;
}


int main (int argc, char *argv[])
{

    //int nr=0xA2B4;
    //cout<<nr;
    //cout<< dec << 0xA2B4; //sa afisese in baza 10


  //cout << oct << 831466 << endl;

  //baza10tob(831466,8);

  //baza10tob (831466, 16);

  cout<<baza_b_to_10("CAFEA", 16);

  return 0;
}