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  1.  
  2. #include  <stdio.h>
  3. #include  <stdlib.h>
  4. #include  <math.h>
  5. #define   EPS 1e-6
  6. int main(void)
  7. {
  8.     float  a, b, c, disc, p,q,a1;
  9.     scanf("%f,%f,%f", &a, &b, &c);
  10.                 printf("%.20f",a);
  11.  
  12.     return 0;
  13. }
Success #stdin #stdout 0.01s 5320KB
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0.3
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0.30000001192092895508
https://ideone.com/OeNgZe
language:
C (gcc 8.3)
created:
14 hours ago
visibility:
public

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