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import java.io.*;
class BigInt
{
int a[];
int len;
BigInt(String str)
{
{
len=str.length();
a=new int[len];
for(int i=0;i<len;i++)
{
this.a[i]=str.charAt(i)-48;
}
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package cn.com.cinda.rtx.state;
import org.apache.commons.id.Hex;
public class RandomCode {
pub ......