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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4. int Fday,Fmon,Ft1,Ft2,Fhr,Fmin,Fsec,Tday,Tmon,Tt1,Tt2,Thr,Tmin,Tsec,Fyyyy,Tyyyy,DWF,DWT;
  5. char FDay[2],FMon[2],FYear[4],FHr[2],FMin[2],FSec[2],TDay[2],TMon[2],TYear[2],THr[2],TMin[2],TSec[2];
  6. char FDate[15],TDate[15];
  7.  
  8. char *date = "11182019";
  9.  
  10. int GetLsDay()
  11. {
  12. char tcBuff[20];
  13. 	sprintf((char *)&tcBuff[0],"%.2s",&FDate[0]);
  14. 	Fday = atoi((const char*)tcBuff);
  15. 	sprintf((char *)&tcBuff[0],"%.2s",&FDate[2]);
  16. 	Fmon = atoi((const char*)tcBuff);
  17. 	sprintf((char *)&tcBuff[0],"%.4s",&FDate[4]);
  18. 	Ft1 = atoi((const char*)tcBuff)/256;
  19. 	Ft2 = atoi((const char*)tcBuff)%256;
  20. 	Fyyyy = atoi((const char*)tcBuff);
  21. 	Fhr =  0;  //RawdateTime.hour;
  22. 	Fmin = 0; // RawdateTime.minute;								
  23. 	Fsec = 0; //RawdateTime.second;
  24.  
  25. 	Fday = Fday - 30;   
  26. 	if(Fday <= 0)             
  27. 	{
  28. 	   Fmon = Fmon - 1;         
  29. 	   if(Fmon <= 0)
  30. 	   {
  31. 	      Fyyyy = Fyyyy - 1;    
  32. 	      Fmon = 12;           
  33. 	      Fday = 31 + Fday;     
  34. 	    }
  35. 	    else
  36. 	    {
  37. 	       if((Fmon == 1) || (Fmon == 3) || (Fmon == 5) || (Fmon == 7) || (Fmon = 8) || (Fmon == 10) || (Fmon == 12))
  38. 		  Fday = 31 + Fday;    
  39. 	       if((Fmon == 4) || (Fmon == 6) || (Fmon == 9) || (Fmon == 11))
  40. 		  Fday = 30 + Fday;
  41. 	       if((Fmon == 2) && (Fyyyy % 4 != 0))
  42. 	       {
  43. 		  Fday = 28 + Fday;
  44. 		  if(Fday <= 0)
  45. 		  {
  46. 			 Fmon = Fmon - 1;
  47. 			 Fday = 31 + Fday;    
  48. 		  }
  49. 	       }
  50. 	       if((Fmon == 2) && (Fyyyy % 4 == 0))
  51. 	   {
  52. 			  Fday = 29 + Fday;
  53. 			  if(Fday <= 0)
  54. 			  {
  55. 			     Fmon = Fmon - 1;
  56. 				 Fday = 31 + Fday;    
  57. 			  }               
  58. 		   }
  59. 	    }
  60. 	}
  61. 	printf("Date : %02d%02d%04d",Fday,Fmon,Fyyyy);
  62. }
  63.  
  64. int main()
  65. {
  66.   int i;
  67.  
  68.   	sprintf((char *)&FDate[0],"%.2s",&date[0]);
  69.  
  70.  i = GetLsDay();
  71.   printf("\n fday:   %d\n",i);
  72.  
  73.   return 0;
  74. }
Success #stdin #stdout 0s 4472KB
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Standard input is empty
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Date : 1212-001
 fday:   15
https://ideone.com/HKftjk
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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