pku2305.java

这是ACM 方面的资料 是PKU的 北京大学的出来的

import java.io.*;
import java.util.*;
import java.math.BigInteger;

class Main
{
	public static void main(String args[]) throws Exception
	{
		Scanner cin=new Scanner(System.in);
		String s;
		int base, i, l;
		BigInteger bg1, bg2, bg;
		int ans[] = new int[1000];
		
		while(true)
		{
			base = cin.nextInt();
			if (base == 0)
			{
				break;
			}
			
			s = cin.next();
			bg1 = new BigInteger(s, base);
			
			s = cin.next();
			bg2 = new BigInteger(s, base);
			
			bg = bg1.mod(bg2);
			
			if(bg.equals(BigInteger.ZERO))
			{
				System.out.println(0);
				continue;
			}
			
			for (i = 0; bg.equals(BigInteger.ZERO) == false; i++)
			{
				ans[i] = bg.mod(BigInteger.valueOf(base)).intValue();
				bg = bg.divide(BigInteger.valueOf(base));
			}
			
			i--;
			while (i >= 0)
			{
				System.out.print(ans[i]);
				i--;
			}
			System.out.println();
		}
	}
}