解题思路:
注意事项:
参考代码:
import java.util.Scanner; public class Main { public static long cishu(long n){ long m=1; if(n==1)return m; while(n!=1){ if(n%2==0){ n/=2;m++; }else{ n=3*n+1;m++; } } return m; } public static void main(String[] args) { Scanner scanner=new Scanner(System.in); while(scanner.hasNext()){ long a=scanner.nextInt(); long b=scanner.nextInt(); long a1,b1; a1=a;b1=b; if(a>b){ a1=b;b1=a; } // System.out.println(a+" "+b); long n1=cishu(a); for(long i=a1;i<=b1;i++){ if(n1<cishu(i))n1=cishu(i); } System.out.println(a+" "+b+" "+n1); } } }
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