| @awashwinter 0 / 0 / 0 Регистрация: 05.10.2015 Сообщений: 18 |
|
16.03.2016, 18:17
[ТС] | |
В общем помощи не дождался, сделал сам. Пользуйтесь, кому надо. Если найдете ошибки, прошу написать о них. | C++ | 1
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| #include <iostream>
#include <cstdlib>
using namespace std;
struct item
{
int digit;
item *next;
item *prev;
item *head;
item *tail;
int n;
};
class List
{
public:
item *head;
item *tail;
List(){ head = NULL; }//constructor
~List();//destructor
item CreateMNumber(char *initStr);
void AddDigit(item*number, int digit);
void PrintMNumber(item number);
item SumMNumber(item n1, item n2);
};
List::~List()//деструктор вынесен за класс
{
head = tail = NULL;
}
item List::CreateMNumber(char *initStr)
{
item number = { NULL, NULL, 0 };
int n;
for (n = strlen(initStr) - 1; n >= 0; n--)
{
AddDigit(&number, initStr[n] - '0');
}
return number;
}
void List::AddDigit(item*number, int digit)
{
item *p = new item;
p->digit = digit;
p->next = p->prev = NULL;
if (number->head == NULL)
{
number->head = number->tail = p;
}
else
{
number->tail->next = p;
p->prev = number->tail;
number->tail = p;
}
number->n++;
}
void List::PrintMNumber(item number)
{
item *p = number.tail, *temp = number.tail;
cout << "\nNumber: ";
while (p)
{
if ((temp->digit == 0) && (p->prev != NULL))
{
temp = temp->prev;
p = p->prev;
}
else
{
cout << p->digit;
p = p->prev;
}
}
free(p);
}
item List::SumMNumber(item n1, item n2)
{
item sum = CreateMNumber("");
item *p1 = n1.head, *p2 = n2.head;
int digit, pos = 0, s1, s2;
while (p1 || p2)
{
if (p1)
{
s1 = p1->digit;
p1 = p1->next;
}
else s1 = 0;
if (p2)
{
s2 = p2->digit;
p2 = p2->next;
}
else s2 = 0;
digit = (s1 + s2 + pos) % 10;
pos = (s1 + s2 + pos) / 10;
AddDigit(&sum, digit);
}
if (pos) AddDigit(&sum, pos);
return sum;
}
void main()
{
char *num1 = new char[1000];
char *num2 = new char[1000];
cout << "Enter first string (numbers): ";
cin >> num1;
cout << "Enter second string (numbers): ";
cin >> num2;
List node;
item a = node.CreateMNumber(num1);
item b = node.CreateMNumber(num2);
item c = node.SumMNumber(a, b);
node.PrintMNumber(a);
node.PrintMNumber(b);
cout << "\nSumm\t";
node.PrintMNumber(c);
cout << endl;
getchar();
delete[] num1;
delete[] num2;
system("pause");
} |
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