浙江大学2011–2012学年春夏学期《程序设计基础及实验》课程期末考试试卷

浙江大学2011–2012学年春夏学期《程序设计基础及实验》课程期末考试试卷课程号：21186020，开课学院：计算机学院.考试试卷：√A卷、B卷（请在选定项上打√）考试形式：√闭、开卷（请在选定项上打√），允许带∕入场考试日期：2012年06月17日,考试时间：120分钟诚信考试，沉着应考，杜绝违纪.考生姓名：学号：所属院系：_(注意：答题内容必须写在答题卷上，写在本试题卷上无效)Section1:SingleChoice（2markforeachitem,total20marks）Thearrayinthemainfunctionisinta[10]，anditincludesfunctionf(a)，thewrongdeclarationoffis_______.A．voidf(intx[10]);B．voidf(intx[]);C．voidf(intx);D．voidf(int*x);AccordingtotheMacro：#defineM5#defineNM+1#defineLN*M/2Afterrunningprintf("%d",L);theoutputis_______.A．5B．7C．12D．15Accordingtothedeclaration:chars[]="1234\0abcd";thevalueofexpressionssizeof(s)andstrlen(s)are_______respectively.A．4和9B．1和9C．10和9D．10和4AccordingtothedeclarationstructH{longid;char*s;};theinvalidstatementofthevariableis_______.A．structHh[5]={{1,"a"},{2,"b"}};B．structHh[5]={{1},{2}};C．structHh[5]={1,"a",2,"b"};D．structHh[5]={1,a,2,b};AccordingtothedeclarationstructVec{intu,v,w,x;}a={2,4,6,8};int*p=&a.u;thevalueofexpressionp[3]is_______.A．2B．4C．6D．8Accordingtothedeclaration"inta[4];“，theinvalidexpressionis_______.A．*aB．a[0]C．a++D．a+1Whatisthevalidrealconstant_______.A．2e1B．1.2EC．E4D．1.0e2.0Theinvalidexpressionfor_______.A．4*u/a/b*xB．4*u*x/b/aC．4*u*x/a*bD．u*x/a/b*4Afterexecutingthefollowingcodefragment，thevaluesofaandbare_______.inta=5,b=1;do{b=a+(a=a>0,a+b);}while(a--);A．-1,7B．0,6C．0,7D．-1,3Accordingtothedeclaration：inty=10;Afterrunningthecodefragmentdo{y--;}while(--y);，yis_______.A．-1B．1C．8D．0Section2:Fillintheblanks（2markforeachitem,total30marks）Readthefollowingcodefragment,f(8)returns_______.intf(intx){ return((x>1)?f(x/2)+1:1);}Afterbeingcompiledandlinked,thefollowingsourcecodefilewillproduceitsexecutablefiletest.exe.Theoutputwillbe_______afterrunningthecommandtest123abc<ENTER>.main(intargc,char*argv[]){printf(“%c#%d#”,*++argv[1],argc);}Thefollowingcodefragmentprintsout_______.voidf(intb,int*c){ b++; *c=*c+b;}intmain(){inta=1,b=2; f(a,&b); printf("%d#%d#",a,b);}Thefollowingprogramsprintsout_______.inta=1,b=2,*pa=&a,*pb=&b,*t;t=pa;pa=pb;pb=t;printf("%d#%d#%d#%d#",a,b,*pa,*pb);Thefollowingcodefragmentprintsout_______.typedefstruct{charname[20],country[10];intcode;}City;typedefstruct{intno;charname[20];Cityaddr;}Contact;Citya={"HZ","CN",86};Contactp={5,"Tom"};p.addr=a;printf("%slivesin%s\n",,);Define“FP”using“typedef”,sothat“FP”isapointerthatpointstothefunctionsthatreturnintergers:_______________.Thefollowingprogramprintsout_______.chars[]=”abc\'\0def\0ghi”,*sp=s;printf(“%s”,sp+5);Thefollowingprogramprintsout_______.#include<stdio.h>intf(intx){staticintk=0;return++k+x;}main(){intk;for(k=0;k<3;k++)printf("%d#",f(k));}Wheninput:HELLOWORLD!<ENTER>，theoutputofthefollowingprogramis_______.chars[20];scanf("%s",s);puts(s);Thefollowingprogramprintsout_______.#include<stdio.h>voidmain(){inta=1,b=-1,c=1;if(b++||--c&&a++)printf("%d#%d#%d#",a,b,c);}Thevalueof-20>>2+3is_______.Forthefollowingdefinition：intx=2;thevalueofdo{printf(“*”);x--;}while(!x==0)is_______.Thefollowingcodefragmentprintsout_______.inti;for(i=0;i<=3;i++)switch(i%3){case0:printf(“*”);break; default:printf(“#”);case1:printf(“&”);}Thefollowingcodefragmentprintsout_______.intx=5,y=0;do{x+=3;y+=x; if(y>40)break;}while(x=16);printf("%d#%d#",x,y);Afterrunningthefollowingcodefragment，thevalueofzis_______.staticstruct{intx,y[3];}a[3]={{1,2,3,4},{5,6,7,8},{9,10,11,12}},*p=a-1;intz;z=*((int*)(p+2)-1);Section3:Readeachofthefollowingprogramsandanswerquestions(５marksforeachitem,totalmarks:30)Wheninput：2187<ENTER>，theoutputofthefollowingprogramis_______.#include<stdio.h>intmain(){intcount=0,i,dig,n,new=0;dig=9;scanf("%d",&n);do{if(n%10<dig)dig=n%10;n=n/10;count++;}while(n!=0);for(i=0;i<count;i++)new=new*10+dig;printf("%d",new);return0;}Theoutputofthefollowingprogramis________.#include<stdio.h>intf(intx,intn,chars[]){staticchart[]="BLACKOUT";intcount;if(x<8){s[n]=t[x];s[n+1]='\0';returnn+1;}count=f(x/8,n,s);count=f(x%8,count,s);returncount;}intmain(){inta=159;chars[100];f(a,0,s);puts(s);return0;}Theoutputofthefollowingprogramis________.#include<stdio.h>#definelength3voidtransposition(intArray[length][length]){ inti,j; intArrayTemp[length][length]; for(i=0;i<length;i++) for(j=0;j<length;j++) ArrayTemp[j][i]=Array[i][j]; for(i=0;i<length;i++) for(j=0;j<length;j++) Array[i][j]=ArrayTemp[i][j];}intmain(){ inti,j; intArray[length][length]={1,3,5,7,9,11,13,15,17}; transposition(Array); for(i=0;i<length;i++) for(j=0;j<length;j++) printf("%d#",Array[i][j]); return0;}Theoutputofthefollowingprogramsis_______.#include<stdio.h>structnode{ intscore;structnode*next;};voidprintcir(structnode*t){ structnode*p=t; do{ printf("%d#",p->score); p=p->next; }while(p!=t);}voidinvrtcir(structnode*node){ structnode*p,*q,*t; p=node;q=p->next; do{ t=q->next; q->next=p; p=q; q=t; }while(p!=node);}intmain(void){staticstructnodeT1[]={0,T1+1,1,T1+2, 2,T1+3, 3,T1}; printcir(T1); invrtcir(T1); printcir(T1);return0;}Wheninput：824211154<ENTER>，theoutputofthefollowingprogramsis_______.#include<stdio.h>intmain(){inta[10];intn,i,j,k;scanf("%d",&n);for(i=0;i<n;i++)scanf("%d",&a[i]);i=0;while(i<n){j=i+1;while(j<n){if(a[j]!=a[i]){j++;continue;}for(k=j;k<n-1;k++)a[k]=a[k+1];a[k]=0;n--}i++;}for(i=0;i<n;i++)printf("%d#",a[i]);}Wheninput52，theoutputofthefollowingprogramsis_______.#include<stdio.h>#include<stdlib.h>structnode{intno;structnode*next;};main(){inti,n,m;structnode*p,*q,*h;scanf("%d%d",&n,&m);for(i=0;i<n;i++){if((p=(structnode*)malloc(sizeof(structnode)))!=NULL){p->no=i+1;if(i==0)h=p,q=p;elseq->next=p,q=p;}}p->next=h;q=p;/*tail*/p=q->next;while(p!=q){for(i=0;i<m;i++){q=p;p=q->next;}q->next=p->next;printf("%d#",p->no);free(p);p=q->next;}printf("%d\n",p->no);}Section4:Accordingtothespecification,completeeachprogram(2markforeachblank,total:20marks)Thefollowingprogramfragmentjudgesifthestringcontains“Hello”iftheinputstringendswith<ENTER>（fewerthan80characters）.Youhavetodefineandcallfunctionin(s,t)，whichreturns1ifstringscontainsstringt，otherwisereturns0.#include<stdio.h>intin(char*s,char*t){inti,j,k;for(i=0;s[i]!='\0';i++){ (1);if(s[i]==t[j]){ for((2);t[j]!='\0';k++,j++)if((3))break;if(t[j]=='\0')(4); }}return0;}intmain(){chars[80];printf("Enterastring:");gets(s);if((5))printf("\"%s\"includes\"Hello\"\n",s);elseprintf("\"%s\"doesn'tinclude\"Hello\"\n",s);return0;}Thefollowingprogramfragmentcreatesstudent