【Java練習5】POJ 1604

import java.io.*;import java.math.*;import java.util.*;public class Main{public static void main(String[] args) throws NumberFormatException, IOException{Scanner cin = new Scanner(new BufferedInputStream(System.in));int n;//BufferedReader cin = new BufferedReader(new InputStreamReader(System.in));//String read;while(cin.hasNext()){//while((read = cin.readLine())!=null){n = cin.nextInt();//int n = Integer.parseInt(read);//System.out.println("!"+n);int i;int tmp=1;for(i=1;i<=n;i++){tmp*=i;while(tmp%10==0)tmp/=10;tmp%=100000;}System.out.printf("%5d -> %d\n",n,tmp%10);}}}