N!
Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)
Total Submission(s): 64256 Accepted Submission(s): 18286
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
Author
JGShining（极光炫影）
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Java大法好。退C保平安.......开玩笑的，Java和C各有各的优劣势，缺一不可！
我不会大数模版。就用BigInteger了，HDU大数水题不解释！
import java.io.*;
import java.math.BigInteger;
import java.util.*; public class Main
{ public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
while(input.hasNext())
{
int n = input.nextInt();
BigInteger p = BigInteger.ONE;
for(int i=1;i<=n;i++)
{
p=p.multiply(BigInteger.valueOf(i));
}
System.out.println(p);
}
} }