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  1. #include <stdio.h>
  2.  
  3.  
  4. void cal(int x, int y, int *sum, int *diff, int *mul, int *mod);
  5.  
  6. void cal(int x, int y, int *sum, int *diff, int *mul, int *mod) {
  7.     // 1. 和
  8.     *sum = x + y;            
  9.  
  10.     *diff = (x > y) ? (x - y) : (y - x); 
  11.  
  12.     *mul = x * y;            
  13.  
  14.  
  15.     *mod = x / y;            
  16. }
  17. int main() {
  18.     int x, y;
  19.     int sum, diff, mul, mod;
  20.  
  21.     printf("x を入力してください: ");
  22.  
  23.     if (scanf("%d", &x) != 1) return 1; 
  24.  
  25.     printf("y を入力してください: ");
  26.  
  27.     if (scanf("%d", &y) != 1) return 1; 
  28.  
  29.  
  30.     if (y == 0) {
  31.         printf("yに0が入力されました。計算できません。\n");
  32.         return 1;
  33.     }
  34.  
  35.     cal(x, y, &sum, &diff, &mul, &mod);
  36.  
  37.     printf("和  = %d\n", sum);
  38.     printf("差  = %d\n", diff);
  39.     printf("積  = %d\n", mul);
  40.     printf("商(切り捨て) = %d\n", mod);
  41.  
  42.     return 0;
  43. } 
  44.  
  45.  
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
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23 23
stdout
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x を入力してください: y を入力してください: 和  = 46
差  = 0
積  = 529
商(切り捨て) = 1
https://ideone.com/hbH7vu
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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