1、20171402801int func(int n)int i=0,sum=0;while(sum n)sum+=+i;return i;AO(logn)BO(n1/2)CO(n)DO(nlogn)2AIBICID3ABCD4ABC1D25e,a,c,b,d,g,faAcBdCfDg6a,b,c,d,e,f,g,h010010,0000,0101001,0111100010100011001001011110101Aa c gab fhBadb agbbCa fb ea gdDa fe efgd7G1643343G A10B11C13D158 9B+ABCD10 ABCD11 ABCD12M1
2、M2I SA)1.5GHz1.2 GHzM1M2PCPI21PM1M2 A0.4B0.625C1.6D2.513464M8DRAM3232doublex804 001AHx A1B2C3D414C for(i=0;i=9;i+)temp=1;for(j=0;j-B-C-D-2520 K500 K1000 K200 K40 KB80 KB100 KB200 KB60 K140 KB A320 K380 KBB3500 K80 KBC420 K180 KBD4500 K80 KB261 KB512 B1 026B A1026 B B1536 BC1538 BD2048 B27 ABCD28 CPU
3、I/OABCD29 ABCD3045 A.5 B.9 C.12 D.2031f1f2f1f2fd1fd2 f1f2f1f2fd1fd2ABCD32DMADMA A-B-C-D-33OSI400 BPDU20 B A80%B83%C87%D91%3430dB A4B8C16D3235,HInternetIPIEEE 802.11F,F123 A00-12-34-56-78-9a00-12-34-56-78-9b00-12-34-56-78-9cB00-12-34-56-78-9b00-12-34-56-78-9a00-12-34-56-78-9cC00-12-34-56-78-9b00-12-3
4、4-56-78-9c00-12-34-56-78-9aD00-12-34-56-78-9a00-12-34-56-78-9c00-12-34-56-78-9b36IPIPIPIP A0.0.0.0B127.0.0.1C200.10.10.3D255.255.255.25537RIPOSPFBGPATCPUDPIPBTCPIPUDPCUDPTCPIPDUDPIPTCP3821.3.0.0/16128IP A254B256C510D51239TCPMSS=1 KBRTT=5 ms,64 KB,32 KB A25 msB30 msC160 msD165 ms40FTP ABCTCP 20DTCP 2
5、141477041.(15(a+b)*(c*(-d)(a*b)+(-(c-d):typedef struct node char data10;/struct node*left,*right;BTree;(1)(2)CC+42.(8Prim(MST)(1)GAGMST(2)GMST(3)MST43.(13f(n)Cf1int f1(unsigned n)int sum=1,power=1;for(unsigned i=0;ileft=NULL&root-right=NULL)/-data);/else/1BtreeToExp(root-left,deep+1);-data);/BtreeTo
6、Exp(root-right,deep+1);/1 1)2)15 14 (a)11 9 7 CC+42(1)PrimSSSSA(A,D)(A,B)(A,E)(A,D)SSAD(A,B)(A,E)(D,E)(C,D)(D,E)SSADE(A,B)(C,D)(C,E)(C,E)SSADEC(A,B)(B,C)(B,C)SS(AD),(DE),(CE),(BC)4,1(2)GMST2MST(3)MST2 31 43(1)inunsigned-n=0n-11232-1,unsigned-2 inint1-n=0n-1-1i=0=+17S3,0S4,15(3)31S2,3(1GBNNS2,0S2R23 (4)U=/=N*Td/(Td+RTT+Ta)UNTdRTTTaTd=Ta
