hdu 2051 Bitset (java)

來源:互聯網
上載者:User

標籤:java   string   acm   

問題:
之前做過類似題,但這次仍然不能解決相關問題。

字串倒過來輸:StringBuffer str=new StringBuffer(s); s=str.reverse().toString()


Bitset Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 15548    Accepted Submission(s): 11804


Problem DescriptionGive you a number on base ten,you should output it on base two.(0 < n < 1000) 
InputFor each case there is a postive number n on base ten, end of file. 
OutputFor each case output a number on base two. 
Sample Input
123
 
Sample Output
11011

代碼:

import java.util.*;public class Main{public static void main(String args[]){Scanner cin=new Scanner(System.in);while(cin.hasNext()){int n=cin.nextInt();String s="";while(n!=0){s=s+(n%2);n=n/2;}StringBuffer str=new StringBuffer(s); s=str.reverse().toString();System.out.println(str);}}}


hdu 2051 Bitset (java)

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