???1????????10???????1??????????????????????????1?????500??????г?С?飬?????????????Σ???????????????????????
???2????????15??????????????????????50???????????????1?Σ?????7??10??
???3????????10??????????????????????20??????????????15??????????1?Σ??????????
???4?????????α?5??????15????????3???????10????????????????????????
???5???????????????????飬????6??????????????????????????????
???6???????????????????15????????????????????1?Σ??????????????????????????????10~14???1????