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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace std;
  5.  
  6. class NoNumLiteral {
  7. 	// no literal !
  8. 	public:
  9. 	int numZero;
  10. 	int numOne;
  11. 	int numTwo;
  12. 	int numEight;
  13. 	int charCodeDot;  // '.' = 0x2e
  14. 	NoNumLiteral () {
  15. 	 	numZero = numZero ^ numZero;
  16. 	 	numOne  = numZero;
  17. 	 	numOne++;
  18. 	 	numTwo  = numOne + numOne;
  19. 	 	numEight = numTwo * numTwo * numTwo;
  20. 	 	charCodeDot = (numEight * numTwo) * (numTwo + numOne) - numTwo;
  21. 	}
  22. };
  23.  
  24. class DotString : public string, private NoNumLiteral {
  25.     public:
  26.     DotString() {}
  27.     DotString(const char *inStr) : string(inStr) {}
  28.  
  29.     void decode() {
  30.      	int  bitCount;
  31.      	char ch;
  32.      	string decodeStr;
  33.      	string::iterator ich = begin();
  34.  
  35.      	bitCount = numZero;
  36.      	ch = numZero;
  37.      	while (ich < end()) {
  38. 		    ch = (ch << numOne) + (*ich == charCodeDot);
  39. 		    if (++bitCount % numEight == numZero) {
  40. 			    decodeStr.append(numOne, ch);
  41. 			    ch = numZero;
  42. 		    }
  43. 		    ich++;
  44.      	}
  45.      	erase();
  46.      	append(decodeStr);
  47.     }
  48.  
  49.      void encode() {
  50.      	// ...
  51.      }
  52.  
  53.      void print() {
  54.      	cout << (string&)(*this) << endl;
  55.      }
  56. };
  57.  
  58. int main(void) {
  59. 	// your code goes here
  60. 	NoNumLiteral num;
  61.  
  62. 	// dots: bit stream  eg. 'A' = 0x41 = 01000001 = "_._____."
  63. 	DotString dots1("_.__.____..__._._.._..___.._..___.._....__._____");
  64. 	DotString dots2("_._._..._.._...._...__.__.._..___..__.____.____.");
  65.  
  66. 	dots1.append(dots2);
  67. 	dots1.print();
  68. 	dots1.decode();
  69. 	dots1.print();
  70.  
  71. 	return num.numZero;
  72. }
  73.  
Success #stdin #stdout 0s 3232KB
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stdin
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Standard input is empty
stdout
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_.__.____..__._._.._..___.._..___.._....__.______._._..._.._...._...__.__.._..___..__.____.____.
Hello World!
https://ideone.com/VlHSgV
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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