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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. void prec_print(double d, int prec)
  5. { 
  6.     printf("%.*f\n", prec, d);
  7. }
  8.  
  9. int main(void)
  10. {
  11.     const double x = acos(0.0) * 2;
  12.     for (int i = 0; i <= 10; ++i) prec_print(x, i);
  13. }
  14.  
Success #stdin #stdout 0s 2168KB
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stdin
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Standard input is empty
stdout
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3
3.1
3.14
3.142
3.1416
3.14159
3.141593
3.1415927
3.14159265
3.141592654
3.1415926536
https://ideone.com/TvPkdy
language:
C99 (gcc 8.3)
created:
9 years ago
visibility:
public

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