題庫(kù)語言歷年試卷2005a竺院

浙江大學(xué)2005-2006學(xué)年冬季開課學(xué)院：計(jì)算機(jī)學(xué)院,考試時(shí)間：2006年1月11日,所需時(shí)間：120分鐘，任課教師考生： (注意：答題內(nèi)容必須寫在答題卷上，寫在本試題卷上無效Section1:SingleChoice（2markforeachitem,total20Ifxisafloat thevalueofexpression(x=7/2,x+1)is Thevalueof Thestatement iscorrectifaisanintegervariableandbisadoubleprecisionfloatvariable.scanf(“%d,%f”,&a, B．scanf(“a=%db=%*f”,&a,C．scanf(“%d%*lf”,&a, D．scanf(“%d%*lf”,&aThevalueofexpression strcmp(“internet”,“intranet”) The isequivalent Ifvariablesaredefined, thevalueofexpression isnot1. Ifvariablesaredefinedandassignedcorrectly, theexpression iswrong. Thefollowingcodefragmentprintsout inti=5;while(i--if(i%2)printf("*");elsecontinue;} D．Withregardtothefollowingdefinition:struct{intchar} operator++intheexpression*p++->strisappliedon B．pointerpC．thecontentwhichppoints D．NoneoftheAmongthefollowingstatements, isthemostcorrectstatement.char*p,str[]=“ strcpy(p, Section2:Fillintheblanks（2markforeachitem,total30Ifchisanuppercasecharacter theexpressioncanbewrittenas accordingtothechangingrule:’A’->’Z’,’B’->’Y’,’C’-Thevalueof Thefollowingcodefragmentprintsout printf("%o\n",（010<<1^1）&(0xe<<1));Writeaconditionalexpression tocalculatethevalueofy. - Thefollowingcodefragmentprintsout #defineFB(a,b) intk=3;Afterrunningthefollowingcodefragment,thevalueofais inta=-1,x=10,y=20,ok1=5,ok2=0;if(ok2)Thefollowingcodefragmentprintsout inti,j,k=0;for(i=0,j=10;i<=j;i++,j--)printf("%d,%d,%d",Thefollowingcodefragmentprintsout intk=2,a=1;while(k--!=-1)do}while(k--}Thefollowingcodefragmentprintsout intx=1,y=0,a=0,b=0;switch(x)caseswitch(y)case0:a++;break;case1:b++;}casea++;b++;}Writingthedeclarationwithtypedef,whichmakesNAMEasynonymforacharacterpointerarray,20elements Withthecodefragmentbellow,functioncallf(3),thereturnvalueis f(intn) return((n>0)?f(n-1)+2*f(n-2) Theoutputofthefollowingprogramis #include<stdio.h>int staticintk=0;return}void int printf(“%d”,}Theoutputofthefollowingprogramis #include<stdio.h>{intints(int,int*);}ints(inta,int{intm=*b-=a;returnm;}Inthefollowingcommand-lineprogramrun.c,theoutputafterrunning“run–abc–nlsworld” #include<stdio.h>main(intagrc,char*argv[]){}Afterexecutingthefollowingblock,thevalueofvariableiis staticinta[3][4]={{1,2,3},{4,5,6}},i;i=a[2][-2]+Section3:Readeachofthefollowingprogramsandanswerquestions(５marksforeachitem,totalmarks:30)Theoutputofthefollowingprogramis #include<stdio.h>void{intx,y=-if((z=y)<0)x=4;elseif(y==0)x=5;elsex=6;}Theoutputofthefollowingprogramis #include<stdio.h>intx,y,z;voidp(intx,int int}void x=y=p(y,&x);}Theoutputofthefollowingprogramis #include<stdio.h>voidmain( charch,*s="ACEDB";intx;while(*s!=f(*s++,&x);printf("%d#",x);}}intf(charch,int{*x=0;switch(ch)case'A':*x=95;break;case'B':*x=85;break;case'C':*x=75;break;case'D':*x=60;}}Theoutputofthefollowingprogramis #include<stdio.h>void voiddiv(int*,inta[5]={-1,0,60,45,34},i=0,j=while(a[i]<=0) while(a[i]!=1) div(a+i,&j);}voiddiv(int*n,int if(*n%*k==0)*n/=}else}Theoutputofthefollowingprogramis #include<stdio.h>intf(inta[],int intcur,final,j;for(j=0;j<n;j++){cur+=if(cur>final) final=cur;elseif(cur<0)cur=0;}return}void{ printf(“%d\n”,f(a,}Theoutputofthefollowingprogramis #include<stdio.h>intf(intn,int intn1,m1,result=0;if(n&&m){if(n1==m1)result=f(n/10,elseresult=f(n/10,m/10)*10+((n1>m1)?n1:m1);returnresult; elsereturn}void{}Section4:Accordingtothespecification,completeeachprogram(2markforeachblank,total:20marks)Thefollowingprogramistocalculatethesumofthefirstnitemsofthesequenceas1/2, #include<stdio.h> floatx,y,t,sum=0;inti,n;scanf("%d", ;i++){sum+=x/y; }printf("%f",}Thereisanincreasingorderedcharacterlistinatextfilefile1.Thefollowingprogramreadinthislistcalculatethenumberofduplicates(重復(fù)andwriteeachcharacteranditsfrequencyofoccurrence1)(1的出現(xiàn)次數(shù))intothefilefile2.Forexample,ifthefile1containslist“abbcdddeffg”,thelist“ab2cd3ef2g”willbewrittenintofile2.#include<stdio.h> FILE*fp1,*fp2;charlast,c;intif( )exit(0);while( ){if(c!=last)if(count>1) }}}Thereisasimplechaininglisth(maybeNULL).Thefollowingtwofunctions:voidpush(inttoinsertthenintotheheadofthelist,an