JAVA ²ÊƱ³ÌÐò
import java.io.*;
public class CaiPiao {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
String str;
BufferedReader bufferReader = new BufferedReader(new InputStreamReader(System.in));
try
{
str = bufferReader.readLine();
}
catch (IOException exc)
{
System.out.println("Error read from stdin!");
return ;
}
int len = str.length();
int[] number=new int[len];
for(int i = 0; i < len; i++){
number[i]=Integer.parseInt(str.substring(i,i+1));
}
// 1234567890123
int flag = 0;
for( int i = 0; i < 13; i++ ){
if( i >= 9 ){
if( number[i] == (i - 9) ){
flag++;
}
}else if( number[i] == (i+1) ){
flag++;
}
}
if( flag == 13 ){
System.out.println("1");
}else if( flag == 12 ){
System.out.println("2");
}else if( flag == 11 ){
System.out.println("3");
}else{
System.out.println("No");
}
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