package 习题1;
import java.util.Scanner;
public class niuchicao {
public static void main(String[] args) {
Scanner scanner=new Scanner(System.in);
int n=scanner.nextInt();
int time[][]=new int [2][n];
for(int i=0;id[i]) {
c[j]=i+1;
if(c[j]>min) {
min=c[j];
}
d[i]=time[1][j];
break;
}
}
}
System.out.println(min);
for(int items:c){
System.out.println(items);
}
}
}



