2014年联考《408计算机学科专业基础综合》真题答案.pdf

?1?C 2?B 3?A 4?D 5?C 6?D 7?D 8?D 9?D 10?B 11?C 12?D 13?C 14?A 15?A 16?D 17?A 18?C 19?C 20?C 21?D 22?B 23?A 24?B 25?D 26?A 27?A 28?C 29?B 30?A 31?C 32?D 33?C 34?B 35?D 36?C 37?B 38?A 39?B 40?D?1?j=n?j?1?n?k=n?k*=2?2k=n?k=log2n?O(n)?O(log2n)?T(n)=T1(n)*T2(n)=O(n)*O(log2n)=O(nlog2n)?2?a.?(?b.?)?(?(?c.?(?a/b+(c*d-e*f)/gaa?/b+(c*d-e*f)/ga/?b+(c*d-e*f)/g/abb?+(c*d-e*f)/g/ab+?/?/+(c*d-e*f)/gab/+?(c*d-e*f)/g+ab/(?c*d-e*f)/g+(ab/cc?*d-e*f)/g+(ab/c*?(?*?d-e*f)/g+(*ab/cdd?A3?j j j j j j j j j?1 1 1 1 1 1 1 1 1 1 1?2 2 2 2 2 2 2 2 2 2 2k k k k k k =n?O(lo o o o o o o og g g g g g g g g g g g2 2 2 2 2 2 2 2 2 2 2 2 2n)?n)=T1(n)*T T T T T T T T T T T T T T T2 2 2 2 2 2 2 2 2(n(n(n n(n(n(n(n(n(n()=)O(n)n)n)n)n)n)*O O O O O O O O(log2n)n)n)n)n)n)n)n)=O=O=O=O=O=O=O=O=O=O O=(n(log2n)?(?e*f f f f f f f f f f f f)/)/)/)/)/)/)/)/)/)/)/)/)/g g g g g g gf f f f f f f f f f fa a a a a a a a a a a a a a a a a a a a a a a a a a-e*f)/g+(*ab/cd-?*?*-e*f)/g+(ab/cd*-?(?-?e*f)/g+(-ab/cd*ee?*f)/g+(-ab/cd*e*?-?*?f)/g+(-*ab/cd*eff?)/g+(-*ab/cd*ef)?(?/g+ab/cd*ef*-/?+?/?g+/ab/cd*ef*-gg?+/ab/cd*ef*-g?ab/cd*ef*-g/+?f?+(-*?B?(a/b)+(c*d)-(e*f)/g)?+(/(ab)/(-(*(cd)*(ef)g)?+/ab/-*cd*efg?(ab)/(cd)*(ef)*)-g)/)+?ab/cd*ef*-g/+?3?end1?Aend1?end1?1?end2?Aend2?end2?1?A0?A0?end2?end2?0?end1?A?0?end1?0?end1=end2?M-1?0?M-2?M-1?A0?AM-2?end1?end2?end1?end1=0?end2?end2=M-2+1=M-1?end1=(end2+1)mod M?A?4?edbxac?x?b?a?D?5?F?g?+(+(+(+(+(+(+(+(+(+(+(+-*?B B B B B B B B B B B?)-(e*f)/g)?+(/(ab/-*cd*efg?ababababababab b babababab bababab b/c/c/c/c/c/c/c/c/c/c/c/c/c/c c c c c c c c c c c cd*d*d d d d d d d d d d d d d d d d ef ef ef ef ef ef f ef ef f ef ef f ef ef ef ef f f f ef ef ef e ef ef e ef ef ef ef ef ef ef ef ef*-g/g g g/g g g g g g g g g g+?end1?0?enenenenen n n n nenen n nd2d d d d d d d d d d?0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0?ene e e e enenene e ene ene e e enenenenenene d d d d d d d d d d d d d d d d d?0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0?T?C?A?B?D?6?D?110?1100?D?7?0?3?0?3?1?0?1?4?0?4?2?6?0?314265?314625?D?8?D?9?4?B?1?4/2?-1=1?1?2?15?4?4?B?B?D?10?1?2?1+2?4?1?9?A?3?i?i+3?i+6?(i=1,2,3)?4?1?9?1+4?7?C?5?1?9?1+5?8?D?B?11?i?i?2?A?2?3?6?7?9?A?B?2?9?B?D?5?9?D?C?9?C?12?x?CPI?20/x?70%?0.7x?CPI?1.2?24/x?P?M?*CPI=0.7x*24/x=24*0.7=16.8?D?13?8?-128127?A?x+y=103-25=78?A?B?-x+y=-103-25=-128?B?D?-x-y=-103+25=-78?D?C?x-y=103+25=128?127?C?14?(f1)?(f2)?(110011001001)2?(101100001100)2?IEEE754?(f1)?1?10011001?1.001?(f2)?1?01100001?1.1?B?D?(f1)?1.001226?(f2)?1.12-30?(f1)?(f2)?(f1)?(f2)?xy?A?(f1)?(f2)?4?1100?1011,?100?011?(f1)?(f2)?IEEE754?1.xxx?(f1)?(f2)?(f1)(f2)?xlchild=NULL&root-lchild=NULL)/?wplwpl+=deep*root-weight;if(root-lchild!=NULL)/?wpl_PreOrder(root-lchild,deep+1);if(root-rchild!=NULL)/?wpl_PreOrder(root-rchild,deep+1);return wpl;?#define MaxSize 100/?int wpl_LevelOrder(BiTree root)BiTree qMaxSize;/?end1?end2?int end1,end2;/?MaxSize-1?end1=end2=0;/?int wpl=0,deep=0;/?wpl?BiTree lastNode;/lastNode?BiTree newlastNode;/newlastNode?lastNode=root;/lastNode?newlastNode=NULL;/newlastNode?qend2+=root;/?while(end1!=end2)/?BiTree t=qend1+;/?if(t-lchild=NULL&t-lchild=NULL)wpl+=deep*t-weight;/?wplif(t-lchild!=NULL)/?qend2+=t-lchild;newlastNode=t-lchild;/?if(t-rchild!=NULL)/?qend2+=t-rchild;newlastNode=t-rchild;if(t=lastNode)/?lastNodelastNode=newlastNode;deep+=1;/?1return wpl;/?wpl?C?C+?static?wpl?0?wpl?0?static?NULL)?wpwpwpwpwpwpwpw wpwpwpw w wpl l l l l l l/?hild;t-lchild;d;d;d;d;d;d;d d;d;/?NULL)/?d2+=t-r r r r r rchchchchchchchchchch h h hil il il il il il il i il l l l l i i i d;d;d;d;d;d;d;d d;d;d d d d d dewlastNode=t-rrrrrr r rrchchchchchchch h h h h hil il il il il il il i i il il il l i i d;d;d;d;d;d;d d;f(t t t=la la la la la la la la la a la la la la la l la la la last s s s s s s s s s s s Nodededededededededededede edede ededede e)/?la a a a a a a a a a a a a a a a a ast st st st st st st st st st st st st st st st st st s st stNoNoNoN N N NoN NoNoN NoNoNoNoNoNoN d d ded d d =n n n n n n n n n n newewewewewewewewewewewewew wewew wla l l l l l stNo oN NoNoNoNoNoNoNo oNoNo o o o oded d d d d d d d d d;d d d d d ded d d d d d d d epepepepepepepepe e e ep+=1;1;1;/?1 returnrnrnrnrnrnrnrnrnrn nrn n n nrnrn wpl pl pl pl pl pl pl pl pl pl pl l pl p pl;/?C?static?static?int wpl_PreOrder(BiTree root,int deep)int lwpl,rwpl;/?wpllwpl=rwpl=0;if(root-lchild=NULL&root-lchild=NULL)/?wplreturn deep*root-weight;if(root-lchild!=NULL)/?lwpl=wpl_PreOrder(root-lchild,deep+1);if(root-rchild!=NULL)/?rwpl=wpl_PreOrder(root-rchild,deep+1);return lwpl+rwpl;C/C+?int wpl_PreOrder(BiTree root,int deep)if(root-lchild=NULL&root-lchild=NULL)/?wplreturn deep*root-weight;return(root-lchild!=NULL?wpl_PreOrder(root-lchild,deep+1):0)+(root-rchild!=NULL?wpl_PreOrder(root-rchild,deep+1):0);?(x?y:z)?lastNode?newlastNode?lastNode?newlastNode?end1=(end2+1)%M?2014?42?(1)?(1?)?(2)?Flag=1?NextIDIPMetricFlag=2NextPrefixMaskMetricRouterIDLN_linkNext?(3?)typedef struct?ld,deep+1)1)1)1)1)1)1)1):0 0 0 0 0 0 0 0)child,deep+1):0 0 0 0 0 0 0 0 0 0 0););););););?lastNoNoNoNoNoNoN NoN NoNo o odededed ded d ded d ded ded?nen n n n n n n n n n n wl lwl lwl l l l lasasasasasasa asa a a a tNtNtNtNtNtNtN N NtN N NtNo o o ode?nenenenenen ne e e ewl l l l l l l l l l l l lasasasasasasasasasasas sas sa a tNtNtNtNtNtNtN N NtNtNt t t odododododod d de e e e e e?)%MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM?202020202020202020202020202 2020202 14?unsigned int ID,IP;LinkNode;/Link?typedef structunsigned int Prefix,Mask;NetNode;/Net?typedef struct Nodeint Flag;/Flag=1?Link;Flag=2?NetunionLinkNode Lnode;NetNode NnodeLinkORNet;unsigned int Metric;struct Node*next;ArcNode;/?typedef struct HNodeunsigned int RouterID;ArcNode*LN_link;Struct HNode*next;HNODE;/?42?(2?)Flag=110.1.1.510.1.1.92Flag=2?192.1.1.0255.255.255.0110.1.1.110.1.1.210.1.1.510.1.1.6Flag=110.1.1.210.1.1.13Flag=110.1.1.610.1.1.134Flag=2?192.1.6.0255.255.255.01Flag=110.1.1.110.1.1.23Flag=110.1.1.110.1.1.102Flag=2?192.1.5.0255.255.255.01Flag=110.1.1.610.1.1.56Flag=110.1.1.210.1.1.144Flag=2?192.1.7.0255.255.255.01Flag=110.1.1.510.1.1.66?(?)?union?Link?Net?IP?LSI?8?)Flag=110.1.1.5 5 5 5 5 5 5 5 5 5 5 5 51 1 1 1 10.1.1.92F F F F F F F F Fl l l l l l l la a ag=2?19 9 9 9 9 9 9 9 92 2 2 2 2 2 2 2.1 1 1 1 1 1 1 1 1 1.1 1 1 1 1 1 1 1.02 2 2 2 2 2 2 2 2 2 2 2 25 5 5 5 5 5 55 5 5 5 5 5 5 5 5 5.2 2 2 2 2 2 2 2 2 2 25 5 5 5 5 5 5 55 5 5 5 5 5 5 5 5 5 5.255.01.1.51 1 1 1 1 1 1 1 1 1 1 1 1 10.1.1 1 1 1 1 1 1 1 1 1 1 1.6 6 6 6 6 6 6 6 6 6Fl l l l l l la a a a a a a a a a a ag g g g g g g g g g g g=11 1 1 1 10.1.1.6 6 6 6 6 6 6 6 6 6 6 610 0.1 1 1 1 1 1 1 1 1.1 1 1 1.13 3 34 4 4 4 4 4 4 4 4 4 4 4 4 4Flag=2ag=110.1 1 1 1 1 1 1 1.1 1 1 1 1 1 1 1 1 1 1.1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 10 0 0 0 0 0 0 0.1 1 1 1 1 1 1 1 1 1 1 1 1.1 1 1 1 1 1 1 1 1 1.2 2 2 2 2 2 2 2 2 2 23 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3F F F F F F Fl l l l l l l l lag=110.11F F F F F F F F F F F F F F Fl l l l l l l l l l l la a a a a a a a ag g g g g g g g g g g g g=11 1 1 1 1 1 1 1 1 1 10 0 0 0 0 0 0 0 0 0 0 0 0.1 1.1.610.1 1 1 1 1 1 1.1 1 1 1 1 1 1 1 1 1 1 1 1.56F F F F F F F F Fl l l l l la a a a a a a a ag g g g g g g g g g=1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.1 1 1 1 1 1 1 1 1 1 1 1 1 1 1.1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1.51 1 1 1 1 1 1 1 1 1 1 1 1 1 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.1 1 1 1 1 1 1 1 1 1 1 1 1 1 1?42?(3)?(4?)?1192.1.1.0/24?1?2192.1.5.0/24R1?R3?192.1.5.0/243?3192.1.6.0/24R1?R2?192.1.6.0/244?4192.1.7.0/24R1?R2?R4?192.1.7.0/248?R1?192.1.x.x?43?(1)?192.1.6.0/24?192.1.7.0/24?192.1.6.0/23?(6?)?192.1.1.0/24-E0192.1.6.0/2310.1.1.2L0192.1.5.0/2410.1.1.10L1?2?6?3?(2)?R1?L0?IP?(1?)?3?(R1?R2?R4)?192.1.7.211?IP?TTL?64-3=61?(1?)(3)R1?LSI?Prefix?”0.0.0.0/0”,Metric?10?(1?)?Prefix?”0.0.0.0/0”?Metric?10?44?CPU?(1)?M?32?4B?4?4?4B?1B?(2?)(2)?4?A?4B?(2?)(3)?bne?1446FFFAH?2B?OFFSET?OFFSET?FFFAH?-6?(1?)?bne?PC?4?PC?08048118H?191 1 1 1 1 1 1 2.1.6.0?(6?)?-1010101 10101 1010 0 0.1.1.210.1.1.1 1 1 1 1 1 1 1 10 0 0 0 0 0 0 0 0 0 0 0?2 2 2 2 2 2 2 2 2 2 2 2 2 2 2?6 6 6 6 6 6 6 6 6 6 6?3?R1R1R R R R R R R R R R R R?L0 0 0 0 0 0 0 0 0 0 0 0 0 0?R2 2 2 2 2 2 2 2 2 2 2 2 2 2?R4R4 4R4R4R4R4R4R4R4R4R4R R4R R R4R4R R R R R R R R4R R R R R R R)?1919191919 9 9 919 91919 9 9 9 9 9 9 9 9 9 92 2 2 2 2 2 2.2 2 2 2.2.2.2 2.2.2.2.2.2.2.2.2.2 2.2.2 2 2.2 2 2 2 2 1.1.1.1.1.1.1.1.1.1.1 1.1.1.1.1.1 7.7 7 7 7 7 7 7.7 7 7 7 7 7 7 7 7 7 7 7 211LSLSLSLSLSLSLSLSLS SLS S S S S SI I I I I I I I?08048100H?18H?24?-24/-6=4?(1?)?bne?(PC)+4+OFFSET*4?(1?)(4)?2?3?4?6?2?3?4?6?(3?)?6?(1?)?6?3?(1?)?1?1?2?2?3?3?4?5?6?2?3?4?6?3?3?3?45?Cache?TLB?(1)R2?i?iN(1000)?i?i?1000?(1?)(2)C ache?16?32?Cache?16*32B=512B?(1?)P?6?24?(32B)?0804 8100H?Cache?P?Cache?Cache?1000?1?Cache?(10006-1)/(10006)=99.98%?(2?)?1?(3)?4?sum+=Ai?A?2?5?i?i?1000?(2?)?3?(1?)?A?A?A?(2?)?TLB?1000?TLB1000?A?A0?TLB?A0?TLB?A0?TLB?TLB?1001?(2?)?1?4?(?1?2?5)?1?0?2?load?3?TLB?1002?TLB?3?TLB?)?i?)?Cache?161616 616161616 61 16 6*3*3*3*3*3*3*3*3*3 3 3*2B2 2 2 2 2 2 2 2=512B?(3(3(2B)?0804 8?Cache?1?8%?(2(2(2(2(2(2(2(2?)?sum+=A A A A A A A A A A A A Ai i i i i i i i i?2?5 5 5 5 5 5 5 5 5 5 5?i i?i?2?)?A A A A A A A A A A A A A A A?A?46?(1)?200?30?29?29?58?30?1?59?(1?)F?(1?)(2)?30?29?29?29?1?29?(1?)?31?(1?)4?32?232=4G?1KB?1024B?4B?1020B?4G1020B=4080GB?(2?)?(1)?2?1024232B=4096GB?1?47?mutex1?mutex2?empty?full?mutex1?(10?)?1?mutex2?1?empty?0?full?1000?semaphore mutex1=1;semaphore mutex2=1;semaphore empty=n;semaphore full=0;producer()while(1)?;P(empty);/?P(mutex2);/?;V(mutex2);/?V(full);/?1consumer()while(1)P(mutex1)/?10?for(int i=0;i=10;+i)P(full);/?P(mutex2);/?;V(mutex2);/?V(empty);/?;?31?1K1K1K1K1K1K1K1 1K1 1K K1 B B B B B B B B B?4G4G4G4G4G4G4G4 4G4G4G G4G4 4 1?1?mutex2?emememe ememememememem m m me pt p p p p p p p y?fu u u u u u u u ul ll l ll ll ll l l l ll l l l l?mu umumute te te te te e e te te te e te e ex x x x x x x1 1 1 1 1 1 1 1 1 1?1?mu u u u u u u u ute te te te te te te 2 2x2 2 2 2 2 2 2 2 2 2?0 0 0 0 0 0 0 0?fufufufufufufufufufu u ul ll l l?or r r r r r re e e e e e e e e e e e e e e e e e e m m m m mumum m m mumumum mumumu um mumumum m mumumumumumum mumumumute t t t t t t t t t t t x1=1=1=1=1 1=1=1=1=1=1 1=1=1=1 1=1 1 1 1 1 1 1 1;aphphph hph h h hph h h h hphphph ho o o oro o o o o o o o o o o e mumumu umumumumum mumum mu umu u u u umu u u u u u u u u ute te te te te te te te te te te e te te te t t te e t t x2x2x2x2x2x2x2x2x2x2x2x2x2x x x2x x x1 1 1 1=1=1=1=1=1=1=1=1=1=1=;ema a a a a a a a a a a a a a aphphp phph h h h hphp ph hp php p p p phph h h hp ph h h h hp orororororororororo orororororo o o oro e e e e e e e e e e e e e e e e e e e e e e e ememememe eme ememememem mpt pt pt pt pt pt pt pt pty=y=y=y=y=y=y y=y=y y y y n;n;n n n nsemamamama amamamamamama amamamamam php p p p p p or r r r r r r r r r r r r r r re e e e e e e e e e e e e e e e fufufufufufufuf fuf f ll ll ll ll ll ll ll ll ll l l=0=0=0=0=0=0 0 0;prod d d d d d d d d d d d d d d d du u ucu u u u u u ucucucucucucucucucucucu ucucu u er r r r r r r r er er er er er er er e er e er er e e e()()()()()()()(whwhwh hwhwhwhwhwhwhwhwhwhwhwhwhwh hw w il il il il il il l il il il il l il i il le e(e e e e e e e e e e e 1)?;P(ememememememememememem m m m m mpt pt pt pt pt pt pt pt pt pt pt pt pt pt t p p y)y)y y)y)y)y y)y)y)y)y)y)y)y y)y)y y y);P(P(P(P(P(P(P(P(P P(P(P P(P P(P(mutex2);?mutex2);V(mutex1)?2?1?2?1?2?-?3?10?6?