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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int asc(const void *a, const void *b)
  5. {
  6. 	if(*(double *)a > *(double *)b) return 1;
  7. 	if(*(double *)a < *(double *)b) return -1;
  8. 	return 0;
  9. }
  10.  
  11. int main(void)
  12. {
  13. 	double c[5]={1.2,-3.4,5.9,-2.3,4.5};
  14. 	int size = sizeof(double);
  15. 	int length = sizeof(c) / size;
  16. 	qsort(c, length, size, asc);
  17. 	for(int i=0; i<length; i++)
  18. 	{
  19. 		printf("%f\n",c[i]);
  20. 	}
  21. 	return 0;
  22. }
  23.  
Success #stdin #stdout 0s 9424KB
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stdin
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Standard input is empty
stdout
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-3.400000
-2.300000
1.200000
4.500000
5.900000
https://ideone.com/XxeXRo
language:
C (gcc 8.3)
created:
5 years ago
visibility:
secret

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