Algorithm and Program Completion of fuel at gas stations

Declaration
     type: char
     select: integer
     amount: float
     L: float
     rp: float
   Description
     if (type = premium / pertamax / diesel and select = rp)
       for (a = 0; a <= L; a + = 0.1)
       number = (a +0.1) * price
     then
       write (amount)
     endif
     endfor

     else if (type = premium / pertamax / diesel and select = L)
       for (b = 0, b <= L; b + = 500)
       number = (b +500) * price
     then
      write (amount)
     endif
     endfor
     end

Program
# Include <iostream> # Include <conio.h> Fuel class { public:
   choice ();
   transaction ();
   result (); private:
   char type;
   int select;
   float amount, L, rp;}; Fuel:: option () {
   court <<"Select the type of fuel \ n";
   court <<"Premium: p \ nSolar: s \ nPertamax: x \ n";} Fuel:: transaction () {
   do {court <<"Enter the fuel type code:"; cin>> type;}
   while ((jenis! = 'p')&&( type! =' s')&&( type! = 'x'));
   court <<"\ nJenis Purchasing \ n";
   court <<"L: 1 \ pour: 2";
   do {court <<"\ nEnter Purchase Type Code:"; cin>> select;}
   while ((pilih! = 1) & & (pilih! = 2));
   if (select == 1)
   {Court <<"\ nBerapa liter? \ N"; cin>> L;}
    else
   {Court <<"\ nWani Piro? USD."; Cin>> rp;}} Fuel:: result () {
   if (type == 'p' & & select == 1) {
   for (float a = 0; a <= L; a + = 0.1) {
   number = (a +0.1) * 4500;
   court <<a +0.1 <<"L" <<"===>" <<"Rp." <<amount <<endl;}
   court <<"You have to pay: Rp." <<amount <<endl;}
   else if (type == 'p' & & select == 2) {
   for (float b = 0, b <rp; b + = 500) {
   number = (b +500) / 4500;
   court <<"Rp." <<b +500 <<"===>" <<amount <<"L" <<endl;}
   court <<"You fill in:" <<amount <<"L" <<endl;} if (type == 's' & & select == 1) {
   for (float c = 0; c <L; c + = 0.1) {
   number = (c +0.1) * 4500;
   court <<c +0.1 <<"L" <<"===>" <<"Rp." <<amount <<endl;}
   court <<"You have to pay: Rp." <<amount <<endl;} else if (type == 's' & & select == 2) {
   for (float d = 0; d <rp, d + = 500) {
   number = (d +500) / 4500;
   court <<"Rp." <<d +500 <<"===>" <<amount <<"L" <<endl;}
   court <<"You fill in:" <<amount <<"L" <<endl;} if (type == 'x' & & select == 1) {
   for (float e = 0, e <L, e + = 0.1) {
   number = (e +0.1) * 8800;
   court <<e +0.1 <<"L" <<"===>" <<"Rp." <<amount <<endl;}
   court <<"You have to pay: Rp." <<amount <<endl;} else if (type == 'x' & & select == 2) {
   for (float f = 0; f <rp, f + = 500) {
   number = (f +500) / 8800;
   court <<"Rp." <<f +500 <<"===>" <<amount <<"L" <<endl;}
   court <<"You fill in:" <<amount <<"L" <<endl;}} int main () {
   Q fuel;
   q.choice();
   q.Transaction ();
   q.results (); getch (); return 0;}