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  1. #include <functional>
  2. #include <iomanip>
  3. #include <iostream>
  4. #include <vector>
  5. #include <typeinfo>
  6.  
  7. #include <cstdlib>
  8.  
  9. using namespace std;
  10.  
  11. unsigned int myAdd(unsigned int a, unsigned int b)
  12. {
  13.     unsigned int carry = a & b;
  14.     unsigned int result = a ^ b;
  15.     while(carry != 0)
  16.     {
  17.         unsigned int shiftedcarry = carry << 1;
  18.         carry = result & shiftedcarry;
  19.         result ^= shiftedcarry;
  20.     }
  21.     return result;
  22. }
  23.  
  24. int main()
  25. {
  26. 	cout << "30000 + 1337 = " << myAdd(30000,1337) << endl;
  27.  
  28. 	srand(time(0));
  29.  
  30. 	for(unsigned i(0); i < 200000; i++){
  31. 		unsigned temp = rand();
  32. 		if(i + temp != myAdd(i,temp)) cout << "nie zgadza sie dla wartosci " << i << " + " << temp << endl;
  33. 	}
  34. }
Success #stdin #stdout 0.01s 2928KB
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Standard input is empty
stdout
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30000 + 1337 = 31337
https://ideone.com/LzgkI6
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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