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  1. #include <stdio.h>
  2. #include <stdint.h>
  3. uint8_t m=0;
  4. uint8_t i=0;		// 0			1			3			7			15
  5. uint8_t mass[10] = {0b00000000, 0b00000001, 0b00000011, 0b00000111, 0b00001111,
  6. //			31			63			127			255			255
  7. 		0b00011111, 0b00111111, 0b01111111, 0b11111101, 0b10111111
  8. };
  9. uint8_t reverse (uint8_t d)
  10. {
  11. 	uint8_t a, b;
  12. 	static const uint8_t revTable[] = {0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15};
  13. 	a = d >> 4;
  14. 	a = revTable[a];
  15. 	b = d & 0x0F;
  16. 	b = (revTable[b])<<4;
  17.  
  18. 	return (b | a);
  19. }
  20. int main(void) {
  21. 	// your code goes here
  22. 	for(i=0; i<10; i++){
  23. 		m = mass[i];
  24. 		for (uint8_t q = 0; q < 8; q++) {
  25.     		printf("%c", (m & 0x80) ? '1' : '0');
  26.     		m <<= 1;
  27. 		}
  28. //		printf("%d", mass[i]);
  29. 		printf(",");
  30. 	}
  31. 	printf("\r");
  32. 	for(i=0; i<(sizeof(mass)/2); i++){
  33. 		uint8_t q = mass[i];
  34. 		mass[i] = mass[sizeof(mass)-1-i];
  35. 		mass[sizeof(mass)-1-i] = q;
  36. 	}
  37. 	for(i=0; i<10; i++){
  38. 		mass[i] = reverse (mass[i]);
  39. 	}
  40.  
  41.  
  42. 	for(i=0; i<10; i++){
  43. 		m = mass[i];
  44. 		for (uint8_t q = 0; q < 8; q++) {
  45.     		printf("%c", (m & 0x80) ? '1' : '0');
  46.     		m <<= 1;
  47. 		}
  48. //		printf("%d", mass[i]);
  49. 		printf(",");
  50. 	}
  51. 	return 0;
  52. }
Success #stdin #stdout 0s 5284KB
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stdin
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Standard input is empty
stdout
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00000000,00000001,00000011,00000111,00001111,00011111,00111111,01111111,11111101,10111111,
11111101,10111111,11111110,11111100,11111000,11110000,11100000,11000000,10000000,00000000,
https://ideone.com/yhqr5i
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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