LongInt LongInt::operator+(LongInt& int2)
{
StackAr<int> stack1 = this->intStack;
StackAr<int> stack2 = int2.intStack;
StackAr<int> tempStack (1000001);
LongInt newInt;
int curr1;
int curr2;
int newDigit;
int carry = 0;
while (!stack1.isEmpty() && !stack2.isEmpty())
{
curr1 = stack1.top();
stack1.pop();
curr2 = stack2.top();
stack2.pop();
newDigit = curr1 + curr2 + carry;
if (newDigit >= 10)
{
newDigit -= 10;
carry = 1;
}
else
{
carry = 0;
}
tempStack.push(newDigit);
}
if (!stack1.isEmpty())
{
while (!stack1.isEmpty())
{
curr1 = stack1.top();
stack1.pop();
newDigit = curr1 + carry;
if (newDigit >= 10)
{
newDigit -= 10;
carry = 1;
}
else
{
carry = 0;
}
tempStack.push(newDigit);
}
}
if (!stack2.isEmpty())
{
while (!stack2.isEmpty())
{
curr2 = stack2.top();
stack2.pop();
newDigit = curr2 + carry;
if (newDigit >= 10)
{
newDigit -= 10;
carry = 1;
}
else
{
carry = 0;
}
tempStack.push(newDigit);
}
}
while (!tempStack.isEmpty())
{
newDigit = tempStack.top();
tempStack.pop();
newInt.addDigit(newDigit);
}
return newInt;
}
int Sit (char letter, int m, int state)
{
switch(state)
{
case 0 :
if(m == 0)
{
state = 2;
break;
}
else state = 0; break;
case 1 : sec += 5;
if (m == 0) //check that it's the correct row
{
// state = ST1;
cout << " rows match" << endl;
state = 2;
cout << " state 2" << endl;
break;
}
else
{
state = 1; break;
}
case 2 : sec += 5; state = 3; cout<< "sto1 " << endl; break;
case 3 : sec += 5;
cout << "sto2" << endl;
if (letter == 'A' ) // if the stack needs to be popped
{
if (!ABC.isEmpty()) // B or C is sitting down in that row
{
// state = O;
state = 5; break;
}
else // no one blocking
{
// state = S;
state = 4; break;
}
}
else if (letter == 'F')
{
if (!DEF.isEmpty()) // D or E is sitting down
{
// state = O;
state = 5; break;
}
else // no one blocking
{
// state = S;
state = 4; break;
}
}
else if (letter == 'B')
{
if (!ABC.isEmpty()) // A or C
{
if (ABC.top() == 'C') // stack must be popped
{
// state = O;
state = 5; break;
}
else // stack doesn't need to be popped
{
// state = S;
state = 4; break;
}
}
else // no one blocking
{
// state = S;
state = 4;
break;
}
}
else if (letter == 'E')
{
if (!DEF.isEmpty()) // D or F
{
if (DEF.top() == 'D') // pop stack
{
// state = O;
state = 5; break;
}
else // stack doesn't need popping
{
// state = S;
state = 4; break;
}
}
else // no one blocking
{
// state = S;
state = 4; break;
}
}
else //C or D
{
// state = S;
state = 4;
break;
}
case 4 :
if (letter == 'A' || letter == 'B' || letter == 'C')
{
ABC.push(letter);
sec += 5;
if (!temp.isEmpty()) // if someone had to be popped
{
// state = I;
state = 6;
break;
}
else
{
// cout << "sitting" << sec << endl;
state = 7;
break;
}
}
else
{
DEF.push(letter);
sec += 5;
if (!temp.isEmpty())
{
// state = I;
state = 6;
break;
}
else
{
// cout << "sitting" << sec << endl;
state = 7;
break;
}
}
case 5 :
if (letter == 'A' || letter == 'B')
{
if (letter == 'A')
{
if (ABC.top() == 'C')
{
temp.push(ABC.top()); // move out C
ABC.pop();
sec += 5;
if (!ABC.isEmpty()) // if B was also in
{
temp.push(ABC.top()); // move out A
ABC.pop();
sec += 5;
// state = S;
state = 4;
break;
}
else
{
// state = S; // if only C, go to sit
state = 4;
break;
}
}
}
else
{
temp.push(ABC.top()); // if letter B
ABC.pop(); // pop off top which would be C
sec += 5;
// state = S;
state = 4;
break;
}
}
else // E or F
{
if (letter == 'F')
{
if (ABC.top() == 'D')
{
temp.push(DEF.top());
DEF.pop();
sec += 5;
if (!DEF.isEmpty())
{
temp.push(DEF.top());
DEF.pop();
sec += 5;
// state = S;
state = 4;
break;
}
else
{
// state = S;
state = 4;
break;
}
}
}
else
{
temp.push(DEF.top());
DEF.pop();
sec += 5;
state = 4;
break;
}
}
case 6 :
while (!temp.isEmpty())
{
if (letter == 'A'|| letter == 'B' || letter == 'C')
{
ABC.push(temp.top());
temp.pop();
sec += 5;
}
else
{
DEF.push(temp.top());
temp.pop();
sec += 5;
}
}
// cout << " blocked " << sec << endl;
state = 7;
break;
}
return state;
}
int Sit(char letter, int match, int state)
{
switch(state)
{
case 0: break;
case 1: //cout << "waiting" << endl;
if(match == 0)
{
state = 2;
break;
}
break;
case 2: //cout << " store 1 " << endl;
state = 3;
break;
case 3: //cout << "store 2" << endl;
if(letter == 'A')
{
if(!ABC.isEmpty())
{
state = 5; break;
}
else
{
state = 4; break;
}
}
else if(letter == 'F')
{
if(!DEF.isEmpty())
{
state = 5; break;
}
else
{
state = 4; break;
}
}
else if(letter == 'B')
{
if(!ABC.isEmpty())
{
if(ABC.top() == 'C')
{
state = 5; break;
}
else
{
state = 4; break;
}
}
else
{
state = 4; break;
}
}
else if(letter == 'E')
{
if(!DEF.isEmpty())
{
if(DEF.top() == 'D')
{
state = 5;
break;
}
}
}
else
{
state = 4; break;
}
case 4: //cout << "sitting " << endl;
if( letter == 'A' || letter == 'B' || letter == 'C')
{
// cout << "? " << endl;
ABC.push(letter);
if(!tempABC.isEmpty())
{
state = 6; break;
}
else
{
state = 7; break;
}
}
else
{
// cout << " ! " << endl;
DEF.push(letter);
if(!tempDEF.isEmpty())
{
state = 6;
break;
}
else
{
state = 7;
break;
}
}
case 5: //cout << "out " << endl;
if(letter == 'A' || letter == 'B')
{
if(letter == 'A')
{
// if(ABC.top() == 'C' || ABC.top() == 'B')
// {
if(!ABC.isEmpty())
{
tempABC.push(ABC.topAndPop());
state = 5;
break;
}
else
{
state = 4;
break;
}
// }
}
else
{
tempABC.push(ABC.topAndPop());
state = 4;
break;
}
}
else
{
if(letter == 'F')
{
// if(DEF.top() == 'D' || ABC.top() == 'E')
// {
if(!DEF.isEmpty())
{
// cout << " under " << endl;
tempDEF.push(DEF.topAndPop());
state = 5;
break;
}
else
{
state = 4;
break;
}
// }
}
else
{
tempDEF.push(DEF.topAndPop());
state = 4;
break;
}
}
case 6:
// cout << "In" << endl;
if(letter =='A' || letter == 'B' || letter == 'C')
{
while(!tempABC.isEmpty())
{
// cout << tempABC.top() << endl;
ABC.push(tempABC.topAndPop());
// cout << "add ABC" << endl;
}
}
else
{
while(!tempDEF.isEmpty())
{
// cout << "temp " << tempDEF.top() << endl;
// cout << "DEF " << DEF.top() << endl;
DEF.push(tempDEF.topAndPop());
// cout << "add DEF" << endl;
}
}
// tempABC.makeEmpty();
// tempDEF.makeEmpty();
state = 7;
break;
}
return state;
}