[]
?ú???·????????·????÷???ü±?????
????????????±ê????
?°?????????????×?????????ì???±???????????????????????±
???±?????????????????????§?ò????
????????????????·???????????±????×???????????????×?¨????
?°???¤?í????????????×ê????????×ê?????????????????????????ì?????±
?°???????????????????±??????????×???×ê??????????????±??ê??°????±
?°?ú??°????????????ò???????????????????????í?ó?ì????±??????????§??°????ò?±°??????±
?±±??????????????????????ò·¨?????í?????÷???????±??????????????°×?????????±
???±?????????÷??????????????·×?????¤????????
????????±??????ù??????????????????????????
????????±???????
????×ê??????????????????
?????????????????é??°?????
???????????????§????????????????????????
?á?é?????????ú???ú?????????????°???????·?????????±????
???????????????ù??????×???×?????
???????¤?í????????????
(????????)??°???????ú????·?????????×ê????????????????°??????????±??????·???????????????·??????????±
?°?????????????±
?è±ù??·????????¨?ì????×?°?°?????×???????????×????±???í?°???ú????????
(o??????)?°°?°?°??????×?????ì????????????????????????°????±?????????±
?°?????????????ù????????????????????°ü???????????????????????????????????????????±
?????ù?·?¤·??é???°???????ú×???????????????·??????á????????×????????×?????????±
?°???·?????????é??????á?×??????????????????ù??·?????????????°????°?????????????????·??°????±
???????????§???????ì?ó????
?°??????????????????????×ê???????á???×???í???????è?¨???????????????ù·???×??????±
?°???????????????????í???????????á???????????????????ò?????????è?¨???×?????±
?°·?????????????????°????????????????????????????×???à?????±
???????????????í?????¤?í?????????¤??????????????????????
???????ì???????±?é??
(????
???)
????????????????×????ò????????????
????×ê??????????????????????
??????×ì???°???????×???????????????ó??????????????°??????????????±
?°???????????¨?????ú??·???????????????×????????±?±???á??±????±
?°??????????????????????????°????±
???????±??????×???????????????
(?? ???)??°???????§?????ì????°?????????×????±
??????(?¤????? )??????
????·??÷??????×??????ò°?????
????????????·??????¨???????????¨?ì????×?×?×???·?????????
????°???????????
???(??????)??°?????????????ò????????????×?°??????§?§?§??°????????ò·????±
?°??????????×?°?????????????×??????±
?????????±???????ó???????????????????????????ì????
?°???????????????????±
????
??????°????§???ì?????¤?????¨??°???·¨????????ò?¨????????
?±??°???·¨??????±?×????????è?ú??????????±??????±?ú??????????
?±???ú?·?×??·?????×é???é????
???????¤???ê?????÷????°???×???????????
???????????ù????·??ù????????????????
??·????????????????¤???ì???í×?±????????????????????????±????
??????????±?×?????????????±?????????×???
?·?×???ú?????ü???°????????×????ù????±??ü??????????
?°?????????????????????¨???????????ì???±
?????????????????¤±??????????????????????????????????????¤??????????????
?í????????·????ú????×???????á?·???
?°??????????×??????é???·???????ì???±
?·?×?????·?à???ù?ù±??????°????°??????????×?????????á?í???????±
?°??????¤???????±
?????·?×?????×?????¤?????????????????????????¤???ì???¤????×?????????
?????±??????????????????????
?????ê????????×??????????????à???¨????????????????±??¤????×???????×???????????????
??????????
??×????????°????????????????×???????????????
×????????ì????
??????
?·?×????????????????×???????????
?°?????????ú?????????à????°??????????????????????????±
???????????????????????ú?°??
?????????ó???á?§??
?°??????????±?????????±
??????????????????·??????????°???????·?×???±????????????
??????×???????????????????±?????·?????
??????????????????????×???????????????????
??????????????????????????×???????????????????
?????????????????·?×?????±??×??????????????????ó????????????????????
????±???????????A????B????
??????C????D????
B?úC?ù????????D?úA?ù????????
???????????????????????????·??
ABCDAB????
????????????????·¨?ò?????????·??
?·?×???????????????????????±????????
??±???×????????ó??????????????????
??????·??????°?????????ì?????·??×?????????
?¤=??(?????)?°°????±
???ù?±?í°??????????±???????????????·?×?????·?±???ú????×??????¨??????
=????=????(?????????)?o>( ( )
[??×??·?×??????????+1000??]
?????á??×??????¨????
???±??×?????
????????????????????????·¨×????????????±????????????????
???????·?×???×???à????·?·?????????
?????????????????????±???????????·?????ò????
?????????????í?°????×??????¨????±??§?????????????????·????
?°????????·???×?????????????????????±????ù???????????????????±
[??×??·?×????]
?????ü??????°ü???í???????????????ú??
???????????°????????????×???????????×???????×????±×??????ú?á?????à?????????§?????????ù??°????±
????×??????????±??????3000?×??·??§?????????????·?????á±??ò????
??·??·?×??????????????????????????????????
?????????±???????×???????±?¨????
???í±??????à?ì???????ú?????ú??±?????×?????????
????°???·¨???ú×???????????
???????????°????×÷°????????????ó?????é???ó???????±
°???·¨??×????·???°???÷??????????????????×????±
??????????????????
????????·?????????
?°??????????×????????????§?±×ê?????????????¨???¨?????±
?·?????????±??????±????×??±?????????????????
?????????ú??·è?????°??×??ò??????????????°×??????????±??????±
?°???????????±
???????í??????????°?????±?×?????????
?í?????ù??°×??????±?·???
?á??????×?????±?????????
?????????????×·è?????±?????????÷??????
?°???????????±
????????????????·??í??????????????????·?·???????????????
??×???????????????????
?????§??·????ù??????±???????×???????
????????±???????????????
?°???????±
°?±ú?¤????????????°?????????????????????
×???????????????????±????¨?±??????????·¨?÷??????°?????????????
???????????????????????????±??°???·¨??????????
?°???????±
?????????????????????ó????×????????????????????????????í?°??
????????????????×??????????????í??±???×???????????×?????????
????????????·¨×?????
????????????????????í?±?????°????é??????·?????
?é???¨?????±??????????????°?±ú?¤??????
?°???????±???ù?????????é??????±??????±?°????×???±???±??±??
?¤????????×?????·¨???ü??????
???????????????????±???á?ú?¤????°??????·?????????????????????ù??????
???????????í???÷????
?°?????????±
???????±±??ò?é?????????í???§?×??????×?×????????·?????????????í????
???·????????????°????????????×??±????é?????????ì????í???
????????????????????????
???????????????ò??????
?????????ú?????ü????????????????
?°???????????????????·?à???????±
???°?????????????????????????????·??±?????
?????????????¤±????????ú???ù???????????ù?????ì??????±???
?????????é??????·è?????ú??????????????×÷????????±????§????
???ó??°×????????????·?????????????????
?????????????????é???????ú???¤±??????????ú?ú????×????à?ì???ù????±???
?????????ú????????
?°????????????×???±
?°°?±??§?????±