C Primer Plus第6版编程练习答案.docx
- 文档编号:27106216
- 上传时间:2023-06-27
- 格式:DOCX
- 页数:77
- 大小:35.91KB
C Primer Plus第6版编程练习答案.docx
《C Primer Plus第6版编程练习答案.docx》由会员分享,可在线阅读,更多相关《C Primer Plus第6版编程练习答案.docx(77页珍藏版)》请在冰豆网上搜索。
CPrimerPlus第6版编程练习答案
Chapter2ProgrammingExercises
PE2--‐1
/*ProgrammingExercise2-1*/
#include<>intmain(void)
{printf("GustavMahler\n");printf("Gustav\nMahler\n");printf("Gustav");printf("Mahler\n");return0;
}
PE2--‐3
/*ProgrammingExercise2-3*/
#include<>intmain(void)
{intageyears;/*ageinyears*/intagedays;/*ageindays*/
/*largeagesmayrequirethelongtype*/ageyears=101;agedays=365*ageyears;
printf("Anageof%dyearsis%ddays.\n",ageyears,agedays);return0;
}
PE2--‐4
/*ProgrammingExercise2-4*/
#include<>voidjolly(void);voiddeny(void);intmain(void)
{jolly();jolly();jolly();deny();return0;}
voidjolly(void)
{
printf("Forhe'sajollygoodfellow!
\n");
}
voiddeny(void)
{
printf("Whichnobodycandeny!
\n");
}
PE2--‐6
/*ProgrammingExercise2-6*/
#include<>intmain(void)
{inttoes;toes=10;
printf("toes=%d\n",toes);
printf("Twicetoes=%d\n",2*toes);printf("toessquared=%d\n",toes*toes);return0;
}
/*orcreatetwomorevariables,setthemto2*toesandtoes*toes*/
PE2--‐8
/*ProgrammingExercise2-8*/
#include<>voidone_three(void);voidtwo(void);intmain(void)
{
printf("startingnow:
\n");one_three();printf("done!
\n");return0;
}
voidone_three(void)
{
printf("one\n");two();
printf("three\n");
}
voidtwo(void)
{
printf("two\n");
}
Chapter3ProgrammingExercises
PE3--‐2
/*ProgrammingExercise3-2*/
#include<>intmain(void)
{
intascii;
printf("EnteranASCIIcode:
");scanf("%d",&ascii);
printf("%distheASCIIcodefor%c.\n",ascii,ascii);return0;
}
PE3--‐4
/*ProgrammingExercise3-4*/
#include<>intmain(void)
{floatnum;
printf("Enterafloating-pointvalue:
");scanf("%f",&num);
printf("fixed-pointnotation:
%f\n",num);printf("exponentialnotation:
%e\n",num);printf("pnotation:
%a\n",num);return0;
}
PE3--‐6
/*ProgrammingExercise3-6*/
#include<>intmain(void)
{
floatmass_mol=;/*massofwatermoleculeingrams*/floatmass_qt=950;/*massofquartofwateringrams*/floatquarts;floatmolecules;
printf("Enterthenumberofquartsofwater:
");scanf("%f",&quarts);
molecules=quarts*mass_qt/mass_mol;
printf("%fquartsofwatercontain%emolecules.\n",quarts,molecules);return0;
}
Chapter4ProgrammingExercises
PE4--‐1
/*ProgrammingExercise4-1*/
#include<>intmain(void)
{charfname[40];charlname[40];
printf("Enteryourfirstname:
");scanf("%s",fname);printf("Enteryourlastname:
");scanf("%s",lname);printf("%s,%s\n",lname,fname);return0;
}
PE4--‐4
/*ProgrammingExercise4-4*/
#include<>intmain(void)
{floatheight;charname[40];
printf("Enteryourheightininches:
");scanf("%f",&height);printf("Enteryourname:
");scanf("%s",name);
printf("%s,youare%.3ffeettall\n",name,height/;
return0;
}
PE4--‐7
/*ProgrammingExercise4-7*/
#include<>#include<>intmain(void)
{floatot_f=/;doubleot_d=/;printf("floatvalues:
");
printf("%.4f%.12f%.16f\n",ot_f,ot_f,ot_f);printf("doublevalues:
");
printf("%.4f%.12f%.16f\n",ot_d,ot_d,ot_d);printf("FLT_DIG:
%d\n",FLT_DIG);printf("DBL_DIG:
%d\n",DBL_DIG);return0;
}
Chapter5ProgrammingExercises
PE5--‐1
/*ProgrammingExercise5-1*/
#include<>intmain(void)
{constintminperhour=60;intminutes,hours,mins;
printf("Enterthenumberofminutestoconvert:
");scanf("%d",&minutes);while(minutes>0)
{hours=minutes/minperhour;mins=minutes%minperhour;
printf("%dminutes=%dhours,%dminutes\n",minutes,hours,mins);printf("Enternextminutesvalue(0toquit):
");scanf("%d",&minutes);
}
printf("Bye\n");
return0;
}
PE5--‐3
/*ProgrammingExercise5-3*/
#include<>intmain(void)
{constintdaysperweek=7;intdays,weeks,day_rem;
printf("Enterthenumberofdays:
");scanf("%d",&days);while(days>0)
{weeks=days/daysperweek;day_rem=days%daysperweek;
printf("%ddaysare%dweeksand%ddays.\n",days,weeks,day_rem);
printf("Enterthenumberofdays(0orlesstoend):
");scanf("%d",&days);
}
printf("Done!
\n");return0;
}
PE5--‐5
/*ProgrammingExercise5-5*/#include<>
intmain(void)/*findssumoffirstnintegers*/
{
intcount,sum;intn;
printf("Entertheupperlimit:
");scanf("%d",&n);count=0;sum=0;while(count++ } PE5--‐7 /*ProgrammingExercise5-7*/#include<>voidshowCube(doublex); intmain(void)/*findscubeofenterednumber*/ {doubleval; printf("Enterafloating-pointvalue: ");scanf("%lf",&val);showCube(val);return0;} voidshowCube(doublex) { printf("Thecubeof%eis%e.\n",x,x*x*x); } Chapter6ProgrammingExercises PE6--‐1 /**/ /*thisimplementationassumesthecharactercodes*/ /*aresequential,astheyareinASCII.*/ #include<>#defineSIZE26intmain(void){charlcase[SIZE];inti;for(i=0;i } PE6--‐3 /**/ /*thisimplementationassumesthecharactercodes*/ /*aresequential,astheyareinASCII.*/ #include<>intmain(void) {charlet='F';charstart;charend; for(end=let;end>='A';end--) { for(start=let;start>=end;start--)printf("%c",start);printf("\n"); }return0; } PE6--‐6 /**/#include<>intmain(void) {intlower,upper,index;intsquare,cube; printf("Enterstartinginteger: ");scanf("%d",&lower);printf("Enterendinginteger: ");scanf("%d",&upper); printf("%5s%10s%15s\n","num","square","cube");for(index=lower;index<=upper;index++) {square=index*index;cube=index*square; printf("%5d%10d%15d\n",index,square,cube); }return0; } PE6--‐8 /**/#include<>intmain(void) {doublen,m;doubleres; printf("Enterapairofnumbers: "); while(scanf("%lf%lf",&n,&m)==2) { res=(n-m)/(n*m); printf("(%.3g-%.3g)/(%.3g*%.3g)=%.5g\n",n,m,n,m,res);printf("Enternextpair(non-numerictoquit): "); } return0; } PE6--‐11 /**/ #include<>#defineSIZE8intmain(void) {intvals[SIZE];inti; printf("Pleaseenter%dintegers.\n",SIZE);for(i=0;i printf("Here,inreverseorder,arethevaluesyouentered: \n");for(i=SIZE-1;i>=0;i--)printf("%d",vals[i]);printf("\n");return0; } PE6--‐13 /**/ /*Thisversionstartswiththe0power*/ #include<>#defineSIZE8intmain(void) { inttwopows[SIZE];inti; intvalue=1;/*2tothe0*/ for(i=0;i {twopows[i]=value;value*=2; }i=0;do{ printf("%d",twopows[i]);i++;}while(i } PE6--‐14 /**/ /*ProgrammingExercise6-14*/ #include<>#defineSIZE8intmain(void) {doublearr[SIZE];doublearr_cumul[SIZE];inti; printf("Enter%dnumbers: \n",SIZE); for(i=0;i { printf("value#%d: ",i+1);scanf("%lf",&arr[i]);/*orscanf("%lf",arr+i);*/ } arr_cumul[0]=arr[0];/*setfirstelement*/for(i=1;i arr_cumul[i]=arr_cumul[i-1]+arr[i]; for(i=0;i } PE6--‐16 /**/ #include<> #defineRATE_SIMP #defineRATE_COMP#defineINIT_AMTintmain(void) { doubledaphne=INIT_AMT;doubledeidre=INIT_AMT;intyears=0; while(deidre<=daphne) {daphne+=RATE_SIMP*INIT_AMT;deidre+=RATE_COMP*deidre; ++years;} printf("Investmentvaluesafter%dyears: \n",years);printf("Daphne: $%.2f\n",daphne);printf("Deidre: $%.2f\n",deidre);return0; } Chapter7ProgrammingExercises PE7--‐1 /*ProgrammingExercise7-1*/#include<>intmain(void) {charch;intsp_ct=0;intnl_ct=0;intother=0;while((ch=getchar())! ='#') { if(ch=='')sp_ct++;elseif(ch=='\n')nl_ct++;elseother++; } printf("spaces: %d,newlines: %d,others: %d\n",sp_ct,nl_ct,other); return0; } PE7--‐3 /*ProgrammingExercise7-3*/ #include<>intmain(void) {intn;doublesumeven=;intct_even=0;doublesumodd=;intct_odd=0; while(scanf("%d",&n)==1&&n! =0) { if(n%2==0) { sumeven+=n; ++ct_even; } else: putchar('! ');++ct1;break;case'! ': putchar('! ');putchar('! ');++ct2;break;default: putchar(ch); }} printf("%dreplacement(s)of.with! \n",ct1);printf("%dreplacement(s)of! with! ! \n",ct2); return0; } PE7--‐7 f;taxes: $%.2f;net: $%.2f\n",gross,taxes,net); return0; } PE7--‐9 /*ProgrammingExercise7-9*/ #include<>#include<>intmain(void) { intlimit;intnum;intdiv; boolnumIsPrime;n");for(num=2;num<=limit;num++) { for(div=2,numIsPrime=true;(div*div)<=num;div++)if(num%div==0)numIsPrime=false;if(numIsPrime) printf("%disprime.\n",num); } printf("Enterapositiveinteger(qtoquit): "); } printf("Done! \n");return0; } PE7--‐11 /**/ /*ProgrammingExercise7-11*/ #include<>#include<>intmain(void) { constdoubleprice_artichokes=;constdoubleprice_beets=;constdoubleprice_carrots=;constdoubleDISCOUNT_RATE=;constd
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Primer Plus第6版编程练习答案 Plus 编程 练习 答案