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  1. #include <stdio.h>
  2. #include <stdarg.h>
  3.  
  4. typedef enum rule {
  5. 	first, total
  6. } Rule;
  7.  
  8. int fund(Rule rule, int v1, ...){
  9. 	switch(rule){
  10. 	case total:
  11. 		{
  12. 			int total = v1, value;
  13. 			if(v1 == -1) return 0;
  14. 			va_list ap;
  15.  
  16. 			va_start(ap, v1);
  17. 			value = va_arg(ap, int);
  18. 			while(value != -1){
  19. 				total += value;
  20. 				value = va_arg(ap, int);
  21. 			}
  22. 			va_end(ap);
  23.  
  24. 			return total;
  25. 		}
  26. 		break;
  27. 	case first:
  28. 		return v1;
  29. 	}
  30. 	return -1;
  31. }
  32.  
  33. int main(void){
  34. 	printf("first:%d\n", fund(first, 1, 2, 3, 4, -1));//first:1
  35. 	printf("total:%d\n", fund(total, 7, 5, 3, 1, -1));//total:16
  36. }
Success #stdin #stdout 0s 10320KB
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stdin
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Standard input is empty
stdout
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first:1
total:16
https://ideone.com/phcXO9
language:
C99 (gcc 8.3)
created:
8 years ago
visibility:
public

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