第1个回答 2015-12-27
package ex1;
import java.util.Scanner;
public class dy {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner it = new Scanner(System.in);
System.out.println("请输入一个数字:");
int s = it.nextInt();
int i,j,k=0;
for(i=0;i<s;i++)
{
for(j=7;j>i;j--)
System.out.printf("\t");
for(j=1;j<2*k;j*=2)
{
System.out.printf("*\t");
}
k=j;
for(;j>=1;j/=2)
{
System.out.printf("*\t",j);
}
System.out.printf("\n");
}
}
}本回答被网友采纳