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ACM--大数阶乘--HDOJ 1042--N!--Java

时间:2016-08-02 15:16:10      阅读:223      评论:0      收藏:0      [点我收藏+]


HDOJ题目地址:传送门



N!

Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)
Total Submission(s): 74952    Accepted Submission(s): 21832


Problem Description
Given an integer N(0 ≤ N ≤ 10000), your task is to calculate N!
 

Input
One N in one line, process to the end of file.
 

Output
For each N, output N! in one line.
 

Sample Input
1 2 3
 

Sample Output
1 2 6



import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Scanner;

public class Main {
   public static void main(String[] args) {
	   Scanner cin = new Scanner(System.in);  
       while(cin.hasNext()){
    	   int n=cin.nextInt();
    	   BigDecimal big=new BigDecimal(1);
    	   for(int i=1;i<=n;i++){
    		   BigDecimal b= new BigDecimal(i);
    		   big=big.multiply(b);
    	   }
    	   System.out.println(big);
       }
   }
}

   
   


ACM--大数阶乘--HDOJ 1042--N!--Java

原文:http://blog.csdn.net/qq_26891045/article/details/52093854

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