抢街饭的专栏

{1,0,3,0,4,0,2,0,12,0,9} 转换成 {0,0,0,0,0,1,3,4,2,12,9} import java.util.Arrays; public class lzwCode { public static void main(String [] args) { int [] arr = {1,0,3,0,4,0,2,0,12,0,9}; ar

/** * Description: 写打印从0~9之间选出2个数的所有组合 * @author Mr Lv * @date 2011-11-16 */ public class lzwCode{ public static void main(String[] args) { for (int i = 0; i < 100; i++) {

{1:A} {2:B} {1:A,C} {1:C} 转变成 {2:B,G} {3:D} ===========> {3:D,F,H} {4:E} {4:E} {3:F} {2:G} {3:H} ======================================================