????10??14??????????YY-2014У??????з???????

???????????????????1???????????????????????????????????????http://blog.csdn.net/v_july_v/article/details/7382693???????????μ???http://blog.csdn.net/Arcsinsin/article/details/12714027??

??????????????????飬??????????????и???????????????????????????????????????飬????????鶼????????????????????????????????臨????O(n)??

??????????????????1?? -2?? 3?? 10?? -4?? 7?? 2?? -5?????????????3?? 10?? -4?? 7?? 2???????????????????18??

??????????????????????????????????????????????е?7?£?http://blog.csdn.net/v_JULY_v/article/details/6444021 ??????????????????????????????飬????????????????

??????? “??????” ????????????????????Σ?????????????(????????????????????)???

?????????????????????????

??????????Щ??????????????????????http://www.cnblogs.com/xinz/p/3318230.html????????????????????????????????????????????22??http://blog.csdn.net/v_july_v/article/details/6855788??

????????????2n????????????????????е?n?????