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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.     *sum = x + y;        
  5.     *mul = x * y;        
  6.  
  7.     if (x >= y) {
  8.         *diff = x - y;
  9.     } else {
  10.         *diff = y - x;
  11.     }
  12.  
  13.     if (y != 0) {
  14.         *mod = x / y;   // 商だけ計算
  15.     } else {
  16.         *mod = 0;  
  17.     }
  18. }
  19.  
  20. int main() {
  21.     int x, y;
  22.     int sum, diff, mul, mod;
  23.  
  24.     // 入力
  25.     scanf("%d", &x);
  26.     scanf("%d", &y);
  27.  
  28.     // 計算
  29.     cal(x, y, &sum, &diff, &mul, &mod);
  30.  
  31.     // 結果表示
  32.     printf("和 = %d\n", sum);
  33.     printf("差 = %d\n", diff);
  34.     printf("積 = %d\n", mul);
  35.  
  36.     // 商と余りを一緒に表示（変数 rem は使わない）
  37.     if (y != 0) {
  38.         printf("商 = %d 余り = %d\n", mod, x % y);
  39.     } else {
  40.         printf("商 = 0 余り = 0\n");  // 0除算回避
  41.     }
  42.  
  43.     return 0;
  44. }
  45.  
  46.  
  47.  
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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9 4
stdout
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和 = 13
差 = 5
積 = 36
商 = 2 余り = 1
https://ideone.com/L2oggA
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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