Ѷ2012ʵϰ+𰸽
ο𰸣
DѭеfrontrearһָʵԪأȻж϶ա
Cԭ̻һֱijתΪݶֹͣҪ˳R1R10ʼλR1һ20ms10¼ÿ¼ĶȡʱΪ2msȶR1R1R12msú̴R1ĩβR2ĿͷʱR1Ҫ4msΪһֱתR1˺ѾתR4ĿʼˣʱʱΪ2+4=6msʱҪR2Ҫȴ̴R5һֱתR2ĿʼУתɷҪ8*2msתR1ĩβȡR2Ҫ2msٴR2Ҫ4msѾתR5ĿͷˣʱʱΪ 2*8+2+4=22msȴתR3Ҫ8*2msR32msĶȡʱ4msĴʱ䣬ʱҲΪ22msʱѾתR6ĿͷˣдѾԿˣȡ¼Ϊ22msʱΪ6+22*9=204ms
AԱIJɾֻҪһԪأҪԪصİңO(n)ù鲢ҲҪO(nlogn)ĸӶȣ㷨O(n^2)
A(20+10+10+10+10+10)/100=70%ĵ
Cϵͳñϵɵµ˲ȥҳΪȣҳ롣ҳ֮ǰֱЩҳҪá
Cڹ룬ȨֵΪ23ijȨֵΪ14һȨֵΪ9(ʵʽ)ȨֵΪ14ֳַӣһȨֵΪ7һȨֵҲΪ7һʵʽ㣬һֳӣһȨֵΪ5һȨֵΪ2ʵʽ㡣νʵʽĿеҶ㣬ʵʽáȨ·ȼΪȵijȨ͡9'(ıߵĸ)Ϊ12ijΪ35ijΪ37ijΪ2Ϊ 9*1+2*3+5*3+7*2=44
Cݿǵļ¼ظҪΨһģҲǷǿյģݿΪÿĬϽûͨCREATE INDEXΨһBDһ
Dһ¾֪ˡ
CҪҽȸȸСǵģCȷ
AĿ¼ҪxȨ(ִȨ)鿴Ŀ¼µļҪrȨ(Ȩ)xȨޣΪ൱ڽĿ¼ִĿ¼ijִļҪĿ¼xȨޣԼԸִļxȨޡ
C˽IPַΧ10.0.0.0-10.255.255.255172.16.0.0-172.31.255.255 192.168.0.0-192.168.255.255ĩβȫ0ıʾһΣڵIPʹãx.x.0.1һ·IPַ(·ƷIPַΪ192.168.0.1192.168.1.1)ĩβȫ1(255)ǹ㲥ַҲڵIP
Bַ(ʵʴ洢ַ)=ַ+ƫơַ=ƫƣ3*8*1024+9612%8192
C£ȷֱ7ĽֱΪ3,4,4,0,3,6гһʾ
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14. ᡣ
15. BѾˣbubble sortֻҪһξˡ
16. ᡣ
17. Dעַ’\0’ָsizeofԶ4ֽ(32λϵͳ)8ֽ(64λϵͳ)ָʲô͵ģָֻǾָݵ͡
18. Aõ˱˵ķ;ԳƵģñҵѣҲ;ۺϣǶԳƵģԱ빫˾ǾۺϹϵһҪصڿԲͬԱ뿪˹˾ǿԻ;ϣһ£ñ࣬һûһҲûˡǿȣ<<ۺ<ϡ
19 ALog_70 1000000 = 3.25
20. B
s1=0
s2=s1
s2=s1
s1<0
s1=0
employee[j].Id!=Id
++N
Employee.Salary-BASE
K>=paylevel[j]
K-paylevel[j-1]
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