玖玖玖视频-亚洲精品1卡2卡3卡-操欧美美女-真实国产乱子伦对白视频不卡-国产乱在线-大胸美女被吃奶爽死视频-久久亚洲美女精品国产精品-天堂在线www天堂在线-久久在精品线影院精品国产-国产又粗又长又大-欧美三级一区二区-超碰在线亚洲-天天cao在线-国产偷倩视频-亚洲啪

已經告訴你用變址

V0代表當前隊列中數量   V0=0  D0V0=A
                                            V0=2  D0V0=C
                                         ……
                                            V0=4  D0V0=E
V1代表執行順序   D0V1   V1=0
                                ……
                                D0V1    V1=4
                             判斷  V1是否大于V0
                            大于   則表示執行完畢，V1=V0 =0