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  1. #include  <stdio.h>
  2. #include  <stdlib.h>
  3. #include  <math.h>
  4. #define   EPS 1e-6
  5. int main(void)
  6. {
  7.     float  a, b, c, disc, p, q,a1;
  8.     scanf("%f,%f,%f",&a,&b,&c);
  9.     a1 = fabs(a);
  10.     printf("%f的绝对值是:%f\n",a,a1);
  11.     printf("%f的绝对值是:%f\n",b,fabs(b));
  12.     printf("%f的绝对值是:%f\n",c,fabs(c));
  13.     return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5312KB
comments (?)
stdin
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-2.1,-4,35,5
stdout
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-2.100000的绝对值是:2.100000
-4.000000的绝对值是:4.000000
35.000000的绝对值是:35.000000
https://ideone.com/hN6VPm
language:
C (gcc 8.3)
created:
14 hours ago
visibility:
public

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