лабораторки по ОС препод Челноков / 1семестр / wi1 / koval4uk / Oci / Unit1

//---------------------------------------------------------------------------

#include <clx.h>
#include <stdio.h>
#include <conio.h>
#pragma hdrstop

//---------------------------------------------------------------------------

#pragma argsused
int CTeneHb(int OcHoBaHue, int CTen);

int main(int argc, char* argv[])
{
char s[50];
  int a[20],b[20];
  int Lenght,i,j,x10;
  int SS1,SS2;
  printf("Vvedite nachalonoe osnovanie chisla: ");
  scanf("%d",&SS1);
  printf("\nVvedite nachalnoe chislo: ");
  scanf("%s",&s);
  printf("\nVvedite osnovanie novogo chisla: ");
  scanf("%d",&SS2);
  Lenght=strlen(s);
  for(i=(Lenght-1);i>=0;i--)
  {
  switch(s[i])
  {
  case '1': a[i]=1; break;
  case '2': a[i]=2; break;
  case '3': a[i]=3; break;
  case '4': a[i]=4; break;
  case '5': a[i]=5; break;
  case '6': a[i]=6; break;
  case '7': a[i]=7; break;
  case '8': a[i]=8; break;
  case '9': a[i]=9; break;
  case '0': a[i]=0; break;
  case 'A': a[i]=10; break;
  case 'B': a[i]=11; break;
  case 'C': a[i]=12; break;
  case 'D': a[i]=13; break;
  case 'E': a[i]=14; break;
  case 'F': a[i]=15; break;
  }
  }
  getch();
  x10=0;
  for(i=(Lenght-1);i>=0;i--)
  {
  j=((Lenght-1)-i);
  x10=(x10+a[i]*CTeneHb(SS1,j));
  }
  printf("Chislo v 10-oi SS: ");
  printf("%d\n",x10);

  i=0;
  while(x10!=0)
  {
  i++;
  b[i]=x10%SS2;
  x10=x10/SS2;
  }
  printf("Chislo v novoi SS: ");
  while(i>0)
  {
  printf("%d",b[i]);
  i--;
  }
  getch();
        return 0;
}

int CTeneHb(int OcHoBaHue, int CTen)
{
int i=1,k;
if (CTen==0)
        {
        return 1;
        }
        else
{
k=OcHoBaHue;
while(i<CTen)
{
i++;
k=k*OcHoBaHue;
}
}
return k;
}
//---------------------------------------------------------------------------