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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. unsigned char encodeBits(bool bools[8]);
  6. void decodeBits(bool (&bools)[8], unsigned char input);
  7.  
  8. int main() {
  9.     bool in[] = { true, false, false, true, true, false, false, true };
  10.     bool out[8] = { false, false, false, false, false, false, false, false };
  11.  
  12.     unsigned char temp = encodeBits(in);
  13.  
  14.     cout << (int)temp << endl;
  15.  
  16.     decodeBits(out, temp);
  17.  
  18.     for(int i = 0; i < 8; i++) {
  19.         if(out[i]) {
  20.             cout << "True, ";
  21.         } else {
  22.             cout << "False, ";
  23.         }
  24.     }
  25.  
  26.     cout << endl;
  27.  
  28.     return 0;
  29. }
  30.  
  31. unsigned char encodeBits(bool bools[8]) {
  32.     unsigned char retval = 0;
  33.     for(int i = 0; i < 8; i++) {
  34.         retval += (bools[i] ? 1 : 0);
  35. 		retval = (i < 7 ? retval << 1 : retval);
  36.     }
  37.  
  38. 	return retval;
  39. }
  40.  
  41. void decodeBits(bool (&bools)[8], unsigned char input) {
  42.     for(int i = 0; i < 8; i++) {
  43.         bools[i] = (input & 0x00000001 ? true : false);
  44.         input = (i < 7 ? input >> 1 : input);
  45.     }
  46. }
Success #stdin #stdout 0s 2852KB
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Standard input is empty
stdout
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153
True, False, False, True, True, False, False, True,
https://ideone.com/hQ47nn
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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