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  1. #include <stdio.h>
  2.  
  3. void cal(int x, int y, int *sum, int *diff, int *mul, int *mod)
  4. {
  5.     *sum = x + y;              // 和
  6.  
  7.     // 差は必ず正の整数（絶対値）
  8.     if (x >= y) {
  9.         *diff = x - y;
  10.     } else {
  11.         *diff = y - x;
  12.     }
  13.  
  14.     *mul = x * y;              // 積
  15.  
  16.     *mod = x / y;              // 商（整数同士の割り算 → 小数点以下は自動で切り捨て）
  17. }
  18.  
  19. int main(void)
  20. {
  21.     int x, y;
  22.     int sum, diff, mul, mod;
  23.  
  24.     printf("x と y を入力してください: ");
  25.     scanf("%d %d", &x, &y);
  26.  
  27.     cal(x, y, &sum, &diff, &mul, &mod);
  28.  
  29.     printf("sum  = %d\n", sum);
  30.     printf("diff = %d\n", diff);
  31.     printf("mul  = %d\n", mul);
  32.     printf("mod  = %d\n", mod);
  33.  
  34.     return 0;
  35. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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26 9
stdout
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x と y を入力してください: sum  = 35
diff = 17
mul  = 234
mod  = 2
https://ideone.com/PjwYwr
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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