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  1. #include <stdio.h>
  2.  
  3. int gcd(int m, int n) {
  4.     if(n==0){
  5.         return m;
  6.     }else{
  7.         return gcd(n,m%n);
  8.     }
  9. }
  10. int main(void){
  11.     int a,b;
  12.     scanf("%d %d",&a,&b);
  13.     if (a<=0||b<=0){
  14.         printf("正の整数を入力してください。\n");
  15.         return 1;
  16.     }
  17.     int m=(a>b)?a:b;
  18.     int n=(a>b)?b:a;
  19.     int result=gcd(m, n);
  20.     printf("%dと%dの最大公約数は%dです。\n",a,b,result);
  21.     return 0;
  22. }
  23.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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3 27
stdout
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3と27の最大公約数は3です。
https://ideone.com/IKC5yB
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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