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  1. #include <stdio.h>
  2. #include <stdint.h>
  3. uint8_t i=0;		// 0			1			3			7			15
  4. uint8_t mass[10] = {0b00000000, 0b00000001, 0b00000011, 0b00000111, 0b00001111,
  5. //			31			63			127			255			255
  6. 		0b00011111, 0b00111111, 0b01111111, 0b11111101, 0b10111111
  7. };
  8. uint8_t reverse (uint8_t d)
  9. {
  10. 	uint8_t a, b;
  11. 	static const uint8_t revTable[] = {0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15};
  12. 	a = d >> 4;
  13. 	a = revTable[a];
  14. 	b = d & 0x0F;
  15. 	b = (revTable[b])<<4;
  16.  
  17. 	return (b | a);
  18. }
  19. int main(void) {
  20. 	// your code goes here
  21. 	for(i=0; i<(sizeof(mass)/2); i++){
  22. 		uint8_t q = mass[i];
  23. 		mass[i] = mass[sizeof(mass)-1-i];
  24. 		mass[sizeof(mass)-1-i] = q;
  25. 	}
  26. 	for(i=0; i<10; i++){
  27. 		mass[i] = reverse (mass[i]);
  28. 	}
  29.  
  30.  
  31. 	for(i=0; i<10; i++){
  32. 		printf("%d", mass[i]);
  33. 		printf(",");
  34. 	}
  35. 	return 0;
  36. }
  37.  
Success #stdin #stdout 0.01s 5288KB
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stdin
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Standard input is empty
stdout
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253,191,254,252,248,240,224,192,128,0,
https://ideone.com/BbQsDc
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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