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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <math.h>
  4.  
  5. void main(void)
  6. {
  7. 	char szHex[4],szRaw[] = "g2sh8iBof";
  8.  
  9. 	int i,j=0,iRet = 0 ,len = strlen(szRaw);
  10.  
  11. 	for (i = 0 ; i < len; i++){
  12.  
  13. 		if(//anscii 0-9
  14. 			szRaw[i] >= '0' && szRaw[i] <= '9' 
  15. 			//anscii A-F
  16. 			|| szRaw[i] >= 'A' && szRaw[i] <= 'F'
  17. 			//anscii a-f
  18. 			|| szRaw[i] >= 'a' && szRaw[i] <= 'f'
  19. 			){
  20. 			szHex[j++] = szRaw[i];
  21. 		}
  22.  
  23.  
  24. 	}
  25.  
  26.  
  27. 	for(i = 0; i < j; i++){
  28. 		if(szHex[i] >= '0' && szHex[i] <= '9' )
  29.  
  30. 			iRet += ( szHex[i] - '0' ) * pow(16, 4-i-1);
  31.  
  32. 		if(szHex[i] >= 'A' && szHex[i] <= 'F')
  33.  
  34. 			iRet += (szHex[i] - 'A' + 10) * pow(16, 4-i-1);				
  35.  
  36. 		if(szHex[i] >= 'a' && szHex[i] <= 'f')
  37.  
  38. 			iRet += (szHex[i] - 'a' + 10) * pow(16, 4-i-1);
  39. 	}
  40.  
  41. 	printf("%d\n",iRet);
  42. }
  43.  
Runtime error #stdin #stdout 0s 4544KB
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stdin
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Standard input is empty
stdout
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10431
https://ideone.com/ISg1Cr
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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