Adding BigInt's

[TannerB]

//WTF?
BigInt BigInt::add_bigint(BigInt add)
{
int carry = 0;
int temp;
bool carry2;
stack<int> answer;
vector<int> tempvector;
vector<int> add_int = add.get_bigint();

while(bigint\_int.size() > add\_int.size())
     add\_int.insert(add\_int.begin(), 1, 0);

while(bigint\_int.size() < add\_int.size())
     bigint\_int.insert(bigint\_int.begin(), 1, 0);
cout<<add\_int.size()<<" "<<bigint\_int.size()<<"\\n";
for(int i = size(); i > 0 ;i--) //<------if I do size - 1 here
{                                  //the first addition works but not the rest
    temp = add\_int\[i\] + bigint\_int\[i\];
    if(temp >= 10)
    {
        temp -= 10;
        carry2 = true;
    }
    else
        carry2 = false;

    answer.push(temp + carry);
    
    if(carry2)
        carry = 1;
    else
        carry = 0;
}

if(carry)
    answer.push(carry);
    
while(!answer.empty())
{
    tempvector.push\_back(answer.top());
    answer.pop();
}
BigInt ret(tempvector);
return ret;

}

[josda1000]

This might be the problem: for(int i = size(); i > 0 ;i--) should be for(int i = size() -1; i > -1 ;i--) I believe this is the problem, hopefully...