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  1. // 14-1
  2. #include <stdio.h>
  3.  
  4. double ssk_wa;
  5. double ssk_sa;
  6. double ssk_seki;
  7. double ssk_shou;
  8.  
  9. int sisoku(double a, double b)
  10. {
  11.     if (b == 0) {
  12.         return -1; // ゼロ除算
  13.     }
  14.     ssk_wa = a + b;
  15.     ssk_sa = a - b;
  16.     ssk_seki = a * b;
  17.     ssk_shou = a / b;
  18.     return 0;
  19. }
  20.  
  21. int main()
  22. {
  23.     double a, b;
  24.     printf("変数aの値を入力\n");scanf("%lf", &a);
  25.     printf("変数bの値を入力\n");scanf("%lf", &b);
  26.     printf("a=%f, b=%f\n", a, b);
  27.     if (sisoku(a, b)) {
  28.         printf("Error：ゼロ除算\n");
  29.         return 1;
  30.     }
  31.     printf("和：%f, 差：%f, 積：%f, 商：%f\n", ssk_wa, ssk_sa, ssk_seki, ssk_shou);
  32.     return 0;
  33. }
Success #stdin #stdout 0.02s 1680KB
comments (?)
stdin
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5
2
stdout
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変数aの値を入力
変数bの値を入力
a=5.000000, b=2.000000
和：7.000000, 差：3.000000, 積：10.000000, 商：2.500000
https://ideone.com/cklfAy
language:
C (gcc 8.3)
created:
11 years ago
visibility:
secret

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