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  1. #include <stdio.h>
  2.  
  3. // プロトタイプ宣言（これが絶対必要）
  4. double max(double x, double y);
  5. double abs(double x);
  6. double cube(double x);
  7.  
  8. // main関数を一番上にする（課題の条件）
  9. int main(void) {
  10.     double a, b;
  11.     a = 3.5;
  12.     b = -2.8;
  13.  
  14.     printf("max(|%.2f|, %.2f^3) = %.2f\n",
  15.            a, b, max(abs(a), cube(b)));
  16.  
  17.     return 0;
  18. }
  19.  
  20. // 二つの引数の大きい方の値を返す関数
  21. double max(double x, double y){
  22.     return (x > y) ? x : y;
  23. }
  24.  
  25. // 絶対値を返す関数
  26. double abs(double x){
  27.     return (x >= 0) ? x : -x;
  28. }
  29.  
  30. // 三乗を返す関数
  31. double cube(double x){
  32.     return x * x * x;
  33. }
  34.  
Success #stdin #stdout 0s 5320KB
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Standard input is empty
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max(|3.50|, -2.80^3) = 3.50
https://ideone.com/z5y0uy
language:
C (gcc 8.3)
created:
17 hours ago
visibility:
public

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