fork(2) download
copy 
  1. #include <iostream>
  2. #include <vector>
  3. #include <cstdlib>
  4.  
  5. const int base = 1000*1000*1000;
  6.  
  7. using namespace std;
  8.  
  9. vector <int> convert (string s)
  10. {
  11.     vector <int> vec1;
  12.  
  13.     for (int i=(int)s.length(); i>0; i-=9)
  14.         if (i < 9)
  15.             vec1.push_back (atoi (s.substr (0, i).c_str()));
  16.         else
  17.             vec1.push_back (atoi (s.substr (i-9, 9).c_str()));
  18.     return vec1;
  19. }
  20.  
  21. int main()
  22. {
  23.     string a, b;
  24.     vector<int> vec1;
  25.     vector<int> vec2;
  26.     cin >> a >> b;
  27.     vec1=convert(a);
  28.      vec2=convert(b);
  29.  
  30.      //for (int i=0; i<vec1.size(); i++)
  31.     //cout << vec1[i] << " ";
  32.    int carry = 0;
  33.     for (size_t i=0; i<max(vec1.size(),vec2.size()) || carry; ++i)
  34.     {
  35.         if (i == vec1.size())
  36.             vec1.push_back (0);
  37.         vec1[i] += carry + (i < vec2.size() ? vec2[i] : 0);
  38.         carry = vec1[i] >= base;
  39.         if (carry)  vec1[i] -= base;
  40.     }
  41.  
  42. for (int i=vec1.size()-1; i>=0; i--)
  43.      cout << vec1[i];
  44.  
  45.     return 0;
  46. }
Success #stdin #stdout 0s 3416KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/coYcKu
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!