fork download
copy 
  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace std;
  5.  
  6. int val(char x) { return (x > '9') ? x - 'A' + 10 : x-'0'; }
  7. char set(int x) { return (x > 9) ? 'A' + x - 10 : x + '0'; }
  8.  
  9. string sum12(string a, string b)
  10. {
  11.     if (a.size() > b.size()) swap(a,b);
  12.     for(int i = b.size()-a.size(); i-->0; a = "0"+a);
  13.     int carry = 0;
  14.     for(int i = b.size(); i-->0; )
  15.     {
  16.         a[i] = val(a[i]) + val(b[i]) + carry;
  17.         if (a[i] >= 12) {
  18.             a[i] %= 12;
  19.             carry = 1;
  20.         } else carry = 0;
  21.         a[i] = set(a[i]);
  22.     }
  23.     if (carry) a = '1' + a;
  24.     return a;
  25. }
  26.  
  27.  
  28. int main()
  29. {
  30.     cout << sum12("10","100") << endl;
  31.     cout << sum12("325","120") << endl;
  32.     cout << sum12("AA","BBB") << endl;
  33. }
  34.  
Success #stdin #stdout 0s 5456KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
110
445
10A9
https://ideone.com/9UkifB
language:
C++14 (gcc 8.3)
created:
4 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!