void Pswap(int *px, int *py)
{
int temp,i;
cout<<"Swap. Before swap, x:"<< *px<< ", py:"<<*py<< "\n";
temp=*px;
*px=*py;
*py=temp;
cout<<"Swap. After swap, px:"<< *px<< ", py:"<<*py<< "\n";
}
//--------------------------------------------------------
void Rswap(int &rx, int &ry)
{
int temp,i;
cout<<"Main. Before swap, rx:"<< rx<< ", ry:"<<ry<< "\n";
temp=rx;
rx=ry;
ry=temp;
cout<<"Main. After swap, rx :"<< rx<< ", ry:"<<ry<< "\n";
}
//---------------------------------------------------------
char* rus1(char str[])
{
  int cod;
  for (int qq=0;qq<strlen(str);qq++)
  {
    cod=str[qq];
    if (cod>=-64 && cod<-16) str[qq]=cod+192;
    if (cod>=-16 && cod<0) str[qq]=cod+240;
    if (cod==-88) str[qq]=240;  
    if (cod==-72) str[qq]=241;
    if (cod==-71) str[qq]=252;
   }
  return str;
}
//-----------------------

 void rus(char ch[])
{
for(int i=0;i<500;i++)
 {switch (ch[i])
  {case 'à':ch[i]=160;break; case 'á':ch[i]=161;break; case 'â':ch[i]=162;break; case 'ã':ch[i]=163;break;
   case 'ä':ch[i]=164;break; case 'å':ch[i]=165;break; case 'æ':ch[i]=166;break; case 'ç':ch[i]=167;break;
   case 'è':ch[i]=168;break; case 'é':ch[i]=169;break; case 'ê':ch[i]=170;break; case 'ë':ch[i]=171;break;
   case 'ì':ch[i]=172;break; case 'í':ch[i]=173;break; case 'î':ch[i]=174;break; case 'ï':ch[i]=175;break;
   case 'ð':ch[i]=224;break; case 'ñ':ch[i]=225;break; case 'ò':ch[i]=226;break; case 'ó':ch[i]=227;break;
   case 'ô':ch[i]=228;break; case 'õ':ch[i]=229;break; case 'ö':ch[i]=230;break; case '÷':ch[i]=231;break;
   case 'ø':ch[i]=232;break; case 'ù':ch[i]=233;break; case 'ú':ch[i]=234;break; case 'û':ch[i]=235;break;
   case 'ü':ch[i]=236;break; case 'ý':ch[i]=237;break; case 'þ':ch[i]=238;break; case 'ÿ':ch[i]=239;break;
   case 'À':ch[i]=128;break; case 'Á':ch[i]=129;break; case 'Â':ch[i]=130;break; case 'Ã':ch[i]=131;break;
   case 'Ä':ch[i]=132;break; case 'Å':ch[i]=157;break; case 'Æ':ch[i]=134;break; case 'Ç':ch[i]=135;break;
   case 'È':ch[i]=136;break; case 'É':ch[i]=137;break; case 'Ê':ch[i]=138;break; case 'Ë':ch[i]=139;break;
   case 'Ì':ch[i]=140;break; case 'Í':ch[i]=141;break; case 'Î':ch[i]=142;break; case 'Ï':ch[i]=143;break;
   case 'Ð':ch[i]=144;break; case 'Ñ':ch[i]=145;break; case 'Ò':ch[i]=146;break; case 'Ó':ch[i]=147;break;
   case 'Ô':ch[i]=148;break; case 'Õ':ch[i]=149;break; case 'Ö':ch[i]=150;break; case '×':ch[i]=151;break;
   case 'Ø':ch[i]=152;break; case 'Ù':ch[i]=153;break; case 'Ú':ch[i]=234;break; case 'Û':ch[i]=155;break;
   case 'Ü':ch[i]=156;break; case 'Ý':ch[i]=157;break; case 'Þ':ch[i]=158;break; case 'ß':ch[i]=159;break;
  }
 }
}