求最大公约数
代码:
import java.util.Scanner;
public class 第十三题 {
public static void main(String[] args) {
/* Scanner sc=new Scanner(System.in);
int a=sc.nextInt();
int b=sc.nextInt();
while (b!=0){
int c=a%b;
a=b;
b=c;
}
System.out.println(a);*/
Scanner sc=new Scanner(System.in);
int a=sc.nextInt();
int b=sc.nextInt();
int w= ff(a,b);
System.out.println(w);
}
public static int ff(int a,int b){
if(b==0){
return a;
}
int c=a%b;
a=b;
b=c;
return ff(a,b);
}
}










