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  1. #include <stdio.h>
  2. // 引数 n が偶数かどうかを判定する関数（偶数なら1、奇数なら0を返す）
  3. int evenNumber(int n) {
  4.     int x;
  5.     x = 1;
  6.     if (n % 2 == 1) {
  7.         x = 0;
  8.     }
  9.     return x;
  10. }
  11.  
  12. int main(void) {
  13.     int a = 20;
  14.     int b;
  15.  
  16.     b = evenNumber(a);
  17.     printf("%dは偶数かどうか：%d\n", a, b);
  18.  
  19.     return 0;
  20. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin 
Standard input is empty
stdout 
20は偶数かどうか：1
https://ideone.com/FWihE0
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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