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  1. #include <stdio.h>
  2. #include <ctype.h>
  3.  
  4. int parse(const char* string)
  5. {
  6. 	int result = 0 ;
  7. 	int i ;
  8. 	for(i = 0; string[i] != '.' && string[i] != '\0'; ++i)
  9. 	{
  10. 		result *= 10 ;
  11. 		if(isdigit(string[i]))
  12. 			result += string[i] - '0' ;
  13. 	}
  14. 	if(string[i] == '.')
  15. 	{
  16. 		if(string[i+1] != '\0' && isdigit(string[i+1]))
  17. 		{
  18. 			result *= 10 ;
  19. 			result += string[i+1] - '0' ;
  20. 		}
  21. 		if(string[i+2] != '\0' && isdigit(string[i+2]))
  22. 		{
  23. 			result *= 10 ;
  24. 			result += string[i+2] - '0' ;
  25. 		}
  26. 	}
  27. 	return result ;
  28. }
  29.  
  30. int add_money(int x, int y)
  31. {
  32. 	return x+y ;
  33. }
  34.  
  35. int main(void) {
  36. 	char string1[11], string2[11];
  37. 	float f ;
  38. 	int x, y ;
  39. 	scanf("%9s", string1);
  40. 	scanf("%9s", string2);
  41. 	x = parse(string1);
  42. 	y = parse(string2);
  43. 	f = (float)add_money(x, y)/100.f ;
  44. 	printf("%.2f", f);
  45. 	return 0;
  46. }
  47.  
Success #stdin #stdout 0s 2056KB
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22.345445
45.885757
stdout
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68.22
https://ideone.com/B6MDTH
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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