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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. double calculate_f(double x, double y)
  5. //вместо if надо использовать оператор "?"
  6. {
  7.    return (x > 0) ? (x + y) : ((x <= 0 && y < 0) ? fabs(y) : 5*x);
  8. }
  9.  
  10. int main()
  11. {
  12.    double x = 4.0, y = 2.0;
  13.    double f = calculate_f(x, y);
  14.    printf("f = %lf\n", f);
  15.    return 0;
  16. }
  17.  
Success #stdin #stdout 0.01s 5288KB
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stdin
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Standard input is empty
stdout
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f = 6.000000
https://ideone.com/GXRxtV
language:
C++14 (gcc 8.3)
created:
11 days ago
visibility:
public

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