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  1. #include <stdio.h>
  2.  
  3. double p10[] = {
  4. 	0.1, 0.01, 0.001, 0.0001, 0.00001, 0.000001, 0.0000001, 0.00000001, 0.000000001, 0.0000000001
  5. };
  6.  
  7. int main(void) {
  8. 	double a = 1;
  9. 	for (int i = 0 ; i != 10 ; i++) {
  10. 		double aa = a * 10;
  11. 		double d = 1.0 / aa - p10[i];
  12. 		printf("%d %.30lf\n", 1.0/aa == p10[i], d);
  13. 		a = aa;
  14. 	}
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0s 9424KB
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stdin
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Standard input is empty
stdout
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1 0.000000000000000000000000000000
1 0.000000000000000000000000000000
1 0.000000000000000000000000000000
1 0.000000000000000000000000000000
1 0.000000000000000000000000000000
1 0.000000000000000000000000000000
1 0.000000000000000000000000000000
1 0.000000000000000000000000000000
1 0.000000000000000000000000000000
1 0.000000000000000000000000000000
https://ideone.com/b3Gn3I
language:
C99 (gcc 8.3)
created:
6 years ago
visibility:
public

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