HDU 1042-N!（大数类）

发布时间：2020-12-14 03:02:11 所属栏目：大数据来源：网络整理

导读：N! Time Limit: 10000/5000 MS (Java/Others)????Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 54761????Accepted Submission(s): 15578 Problem Description Given an integer N(0 ≤ N ≤ 10000),your task is to calculate N! ? Inpu

N!

Time Limit: 10000/5000 MS (Java/Others)????Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 54761????Accepted Submission(s): 15578

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

Sample Output

  
  
   
   1
2
6
  
  
  
  
   
   求10000以内的阶乘。java+暴力。。。
  
  
  
  
   
   import java.io.*;
import java.util.*;
import java.math.*;
public class Main {
       public static void main(String[] args){
    	   Scanner in=new Scanner(System.in);
    	   int n,i;BigInteger ans,t;
    	   while(in.hasNext()){
    		   n=in.nextInt();
    		   ans=new BigInteger("1");
    		   for(i=1;i<=n;i++){
    			   t=new BigInteger(Integer.toString(i));
    			   ans=ans.multiply(t);
    		   }
    		   System.out.println(ans);
    	   }
       }
}

（编辑：李大同）

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