http://poj.org/problem?id=3307 //* @author import java.util.*; public class Main{ public static void main(String args[]){ int k,n; Scanner in=new Scanner(System.in); k=in.nextInt(); init(); while(k-->0){ n=in.nextInt(); System.out.printf("%dn",s[n]); } } static int MAX=80000; static long s[]=new long[MAX]; //���ڴ洢������� static long d2[]=new long[MAX]; //�洢���к���������2�ҷ��������� static long d3[]=new long[MAX]; //�洢���к���������3�ҷ��������� static long d5[]=new long[MAX]; static long d7[]=new long[MAX]; public static void init(){ int i; int pos2,pos3,pos5,pos7; long a,b; s[1]=1; pos2=pos3=pos5=pos7=1; for(i=1;i< MAX-1;i++){ d2[i]=s[i]*2; d3[i]=s[i]*3; d5[i]=s[i]*5; d7[i]=s[i]*7; while(d2[pos2]<=s[i])pos2++; //��������С��s[i]����ô��һ���Ѿ���s[i]�У�����ȥ�� while(d3[pos3]<=s[i])pos3++; //��Ȼs[i]�Ǵ��ĸ������д�С����ѡ��4�ģ� while(d5[pos5]<=s[i])pos5++; //�����������һ������ȷ�� while(d7[pos7]<=s[i])pos7++; a=d2[pos2]< d3[pos3]?d2[pos2]:d3[pos3]; b=d5[pos5]< d7[pos7]?d5[pos5]:d7[pos7]; s[i+1]=a< b?a:b; } } }
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