CPrimerPlus第6版编程练习答案已下载.docx
- 文档编号:25730623
- 上传时间:2023-06-12
- 格式:DOCX
- 页数:120
- 大小:48KB
CPrimerPlus第6版编程练习答案已下载.docx
《CPrimerPlus第6版编程练习答案已下载.docx》由会员分享,可在线阅读,更多相关《CPrimerPlus第6版编程练习答案已下载.docx(120页珍藏版)》请在冰豆网上搜索。
CPrimerPlus第6版编程练习答案已下载
Chapter2ProgrammingExercises
PE2-‐1
/*ProgrammingExercise2-1*/
#include
{printf("GustavMahler\n");printf("Gustav\nMahler\n");printf("Gustav");printf("Mahler\n");return0;
}
PE2-‐3
/*ProgrammingExercise2-3*/
#include
{intageyears;/*ageinyears*/intagedays;/*ageindays*/
/*largeagesmayrequirethelongtype*/ageyears=101;agedays=365*ageyears;
printf("Anageof%dyearsis%ddays.\n",ageyears,agedays);return0;
}
PE2-‐4
/*ProgrammingExercise2-4*/
#include
{jolly();jolly();jolly();deny();return0;}
voidjolly(void)
{
printf("Forhe'sajollygoodfellow!
\n");
}
voiddeny(void)
{
printf("Whichnobodycandeny!
\n");
}
PE2-‐6
/*ProgrammingExercise2-6*/
#include
{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
{
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
{
intascii;
printf("EnteranASCIIcode:
");scanf("%d",&ascii);
printf("%distheASCIIcodefor%c.\n",ascii,ascii);return0;
}
PE3-‐4
/*ProgrammingExercise3-4*/
#include
{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
{
floatmass_mol=3.0e-23;/*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
{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
{floatheight;charname[40];
printf("Enteryourheightininches:
");scanf("%f",&height);printf("Enteryourname:
");scanf("%s",name);
printf("%s,youare%.3ffeettall\n",name,height/12.0);
return0;
}
PE4-‐7
/*ProgrammingExercise4-7*/
#include
{floatot_f=1.0/3.0;doubleot_d=1.0/3.0;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
{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
{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 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 /*pe6-1.c*/ /*thisimplementationassumesthecharactercodes*/ /*aresequential,astheyareinASCII.*/ #include } PE6-‐3 /*pe6-3.c*/ /*thisimplementationassumesthecharactercodes*/ /*aresequential,astheyareinASCII.*/ #include {charlet='F';charstart;charend; for(end=let;end>='A';end--) { for(start=let;start>=end;start--)printf("%c",start);printf("\n"); }return0; } PE6-‐6 /*pe6-6.c*/#include {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 /*pe6-8.c*/#include {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 /*pe6-11.c*/ #include {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 /*pe6-13.c*/ /*Thisversionstartswiththe0power*/ #include { 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 /*pe-14.c*/ /*ProgrammingExercise6-14*/ #include {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 /*pe6-16.c*/ #include #defineRATE_SIMP0.10 #defineRATE_COMP0.05#defineINIT_AMT100.0intmain(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 {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 {intn;doublesumeven=0.0;intct_even=0;doublesumodd=0.0;intct_odd=0; while(scanf("%d",&n)==1&&n! =0) { if(n%2==0) { sumeven+=n; ++ct_even; } else//n%2iseither1or-1 { sumodd+=n; ++ct_odd; }} printf("Numberofevens: %d",ct_even);if(ct_even>0) printf("average: %g",sumeven/ct_even);putchar('\n'); printf("Numberofodds: %d",ct_odd);if(ct_odd>0) printf("average: %g",sumodd/ct_odd);putchar('\n');printf("\ndone\n"); return0; } PE7-‐5 /*ProgrammingExercise7-5*/ #include {charch;intct1=0;intct2=0;while((ch=getchar())! ='#') { switch(ch){ case'.': putchar('! ');++ct1;break;case'! ': putchar('! ');putchar('! ');++ct2;break;default: putchar(ch); }} printf("%dreplacement(s)of.with! \n",ct1);pr
- 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:
- CPrimerPlus 编程 练习 答案 下载