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  1. #include <iostream>
  2. #include <stack>
  3. #include <string>
  4. #include <sstream>
  5.  
  6. using namespace std;
  7.  
  8. int main(int argc, const char * argv[])
  9. {
  10.         stringstream ss;
  11.         stack<int> stack1, stack2, resultStack;
  12.         string input;
  13.  
  14.         // Build stack 1
  15.         cout << "Numbers: ";
  16.         cin >> input;
  17.  
  18.         for (int i = 0; i != input.length(); ++i) {
  19.                 int temp = 0;
  20.                 ss << input[i];
  21.                 ss >> temp;
  22.                 stack1.push(temp);
  23.         }
  24.  
  25.         // Build stack 2
  26.         cout << "Numbers: ";
  27.         cin >> input;
  28.         for (int i = 0; i != input.length(); ++i) {
  29.                 int temp = 0;
  30.                 ss << input[i];
  31.                 ss >> temp;
  32.                 stack2.push(temp);
  33.         }
  34.  
  35.  
  36.  
  37.         int carry=0, op1=0, op2=0;
  38.         while (true) {
  39.                 op1=0,op2=0;
  40.                 if (stack1.empty() && stack2.empty()) break;
  41.                 if (!stack1.empty()) { op1 = stack1.top(); stack1.pop(); }
  42.                 if (!stack2.empty()) { op2 = stack2.top(); stack2.pop(); }
  43.                 int opTotal = 0;
  44.                 opTotal = op1 + op2 + carry;
  45.                 resultStack.push(opTotal%10);
  46.                 if (opTotal >= 10) carry = 1; else carry = 0;
  47.         }
  48.  
  49.         cout << "\nResult is: ";
  50.         while (!resultStack.empty()) {
  51.                 cout << resultStack.top();
  52.                 resultStack.pop();
  53.         }
  54.  
  55.         cout <<"\n\n";return 0;
  56. }
  57.  
Success #stdin #stdout 0s 3480KB
comments (?)
stdin 
Standard input is empty
stdout 
Numbers: Numbers: 
Result is:
https://ideone.com/m0eMlo
Adding Two Large Numbers
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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