fork download
copy 
  1. #include <iostream>
  2. #include <ctime>
  3. #include <time.h>
  4.  
  5.  
  6. int main()
  7. {
  8. /*	time_t now = time(0);
  9. 	struct tm ltm;
  10. 	localtime_r(&now, &ltm);
  11. 	uint8_t bTime[4];
  12. 	uint8_t year = (ltm.tm_year >= 100) ? (ltm.tm_year - 100) : 0;
  13. 	uint8_t month = ltm.tm_mon + 1; // 1-12
  14. 	uint8_t day = ltm.tm_mday;     // 1-31
  15.  
  16. 	uint32_t packed = 0;
  17. 	packed |= (year & 0x7F) << 25;  // 7 bit
  18. 	packed |= (month & 0x0F) << 21; // 4 bit
  19. 	packed |= (day & 0x1F) << 16;   // 5 bit
  20. 	packed |= (ltm.tm_hour & 0x1F) << 11; // 5 bit
  21. 	packed |= (ltm.tm_min & 0x3F) << 5;   // 6 bit
  22. 	packed |= (ltm.tm_sec & 0x1F);         // 5 bit
  23.  
  24. 	bTime[0] = (packed >> 24) & 0xFF;
  25. 	bTime[1] = (packed >> 16) & 0xFF;
  26. 	bTime[2] = (packed >> 8) & 0xFF;
  27. 	bTime[3] = packed & 0xFF;
  28.  
  29. 	std::string HexValue="";
  30. 	static uint8_t hexValue[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
  31.  
  32. 	for(int i=0;i<4;i++)
  33. 	{
  34. 		HexValue += hexValue[((bTime[i] >> 4) & 0x0F)];
  35. 		HexValue += hexValue[(bTime[i] & 0x0F)];
  36. 	}
  37.  
  38. 	std::cout << HexValue;
  39. 	*/
  40. 	std::string retValue="";
  41. 	uint8_t bTime[4];
  42. 	time_t now = time(0);
  43. 	tm ltm = *localtime(&now);
  44. 	ltm.tm_mon++;
  45. 	ltm.tm_year-=100;
  46.  
  47. 	bTime[0] = ((((ltm.tm_min & 0x03) << 6)  | (ltm.tm_sec & 0x3F)) & 0xFF);
  48. 	bTime[1] = ((((ltm.tm_hour & 0x0F) << 4) | ((ltm.tm_min & 0x3F) >> 2)) & 0xFF);
  49. 	bTime[2] = (((((ltm.tm_mon & 0x0F) << 6) | ((ltm.tm_mday & 0x1F) << 1) | (ltm.tm_hour & 0x1F) >> 4)) & 0xFF);
  50. 	bTime[3] = ((((ltm.tm_year & 0x3F) << 2) | ((ltm.tm_mon & 0x0F) >> 2)) & 0xFF);
  51.  
  52.  
  53. 	static uint8_t hexValue[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
  54.  
  55. 	for(int i=0;i<4;i++)
  56. 	{
  57. 		retValue += hexValue[((bTime[i] >> 4) & 0x0F)];
  58. 		retValue += hexValue[(bTime[i] & 0x0F)];
  59. 	}
  60. 	std::cout << retValue;
  61. 	return 0;
  62. }
  63.  
Success #stdin #stdout 0s 5328KB
comments (?)
stdin
copy 
3
2 2
1 1
1 1
2 2
1 1
1 2
3 4
1 2 1 2
1 1 1 2
1 1 2 2
stdout
copy 
87B1DA68
https://ideone.com/ERqkON
language:
C++14 (gcc 8.3)
created:
10 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!