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  1. #include<stdio.h>
  2. main(){
  3.     int a,b,z;
  4.     scanf("%d",&a);
  5.     scanf("%d",&b);
  6.     //正の整数かの確認　
  7.     if(a<0){
  8.         printf("aは正の整数ではない");
  9.         return 0;
  10.     }
  11.     if(b<0){
  12.         printf("bは正の整数ではない");
  13.         return 0;
  14.     }
  15.     if(b>a){
  16.         z=a;
  17.         a=b;
  18.         b=z;
  19.     }
  20.     z=a;
  21.     while(z%b!=0){
  22.         z+=a;
  23.     }
  24.     printf("最小公倍数%d",z);
  25.     z=a%b;
  26.     while(z!=0){
  27.         z=b%z;
  28.     }
  29.     printf("最大公約数%d",b);
  30.  
  31.  
  32. }
Success #stdin #stdout 0s 5312KB
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stdin
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3
15
stdout
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最小公倍数15最大公約数3
https://ideone.com/tTczNG
language:
C (gcc 8.3)
created:
11 hours ago
visibility:
public

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