復(fù)習(xí)課件及試題要點

1、一、工具與程序框#include一、工具與程序框#includeusingnamespa return using namespadouble a, b, c; coutPleaseinput c = twonumbers:cout a +b = creturn 二、基本數(shù)據(jù)類型、變量、運算符、表達式short1632float32char 8short1632float32char 8doublenr/ Ex using namespadouble c, c=5.0/9.0 *(f-三、控制結(jié)構(gòu)elsecase case / / / cthrow test;throwit isa/ cthr

2、ow test;throwit isa 例3-Ex#include usingnamespamain( )double x, y; / 0 x else/ 1 ;/ 0 x else/ 1 ;例3-計算自然對數(shù)的底數(shù)e，當通項=1.0E-u=u/n; e=e+u; n = coute=e(n= n )endl; return 0;四、數(shù)組與字符串 charcharchar a10=a;char a=abcdefghij; char a=0;charcharchar a10=a;char a=abcdefghij; char a=0;例4- #include / i=0;i7;big= / j=

3、0;j7;big= return 0;例4-例4-#include503,87,512,61,908,170,897,653,426,154,509,612,677,765,i=0;iCOUNT; tmp=listj-1; listj-1 = listj; listj = tmp;coutTheresultis: / k=0; k16; k+) coutlistk;return4-Ex#include #includecharsource=j = 0; destinationi=coutTheresultis:destinationendl; return 0;五、指針、地址與&五、指針、地址

4、與&6- mystrnicmp(char*str1,char 例6-8#includeusing/ selectsortvoidselectsorti=0;icount-1;j=i+1; j count; j+) if(*(list+j)*(list+k)k=j;tmp=*(list+i)= 例6-8#includeusing/ selectsortvoidselectsorti=0;icount-1;j=i+1; j count; j+) if(*(list+j)*(list+k)k=j;tmp=*(list+i)= array6=2,7,2,2,3,coutTheresultis: cou

5、tarrayi六、函數(shù)、數(shù)組與函數(shù)、與函數(shù)、指針與函數(shù)、函數(shù)指針b)return&b)return*b)return iny(*ptr)( le5-5: iny(*ptr)( le5-5: /#include/bubble_up(): i=0;ii;j=j-1) tmp=listj-1; listj-1 = listj; listj = tmp;503,87,512,61,908,170,897,653,426,154,509,612,677,765,cout array i / for(i=0; i16; i+)cout array i bubble_up(array, 16);for(i=

6、0; i16; i+)cout array i cout array i / for(i=0; i16; i+)cout array i bubble_up(array, 16);for(i=0; i16; i+)cout array i 例7-/ return ?1; return/ returnn*fac(n-1); / n!為(n-1)!7-11 (): / /string=0(字符串結(jié)束符), 字符串中沒有七、結(jié)構(gòu)體、枚舉體、structDateenum;8-Dateenum;8-le8-7: #include#includeusing/ struct/ i=0;icount; / i

7、, num=0; i, num=0; for(i=0;inum; listi.freq =1;/ / / Sort(list,/ for(i=0; inum; i+)/ 八、類、繼承與對1. virtual 虛函數(shù)定義 virtual純虛函數(shù)定義=0;2. 對象：A 例10-4 #include #include Age = 0;2. 對象：A 例10-4 #include #include Age = 0; age,char Age = age;Sex=(sex=:coutNametAgetSex2; / 1: cout cout1: cout2:2return 。charcharvoidR

8、egister(charage,2return 。charcharvoidRegister(charage,char Age= Sex=(sex=void ShowMe()coutNametAgetSexclassStudent:/charvoidRegisterStu(charame, Number= void coutNumbertameStudent從類繼承的Circle.h#ifndef #definePO class Po/x和yx,/ / / x/ y= = 0,GetX()returnx;GetY()returny; void Pr/.cpp文件.h#ifndef #define

9、PO class Po/x和yx,/ / / x/ y= = 0,GetX()returnx;GetY()returny; void Pr/.cpp文件#include#includeb)(a,b);voidbx = y = void()coutx,y ; Circle.hCircle#ifndef CIRCLE_H #define CIRCLE_H #include#includeclassCircle:publicx= y= 0voidSetRadius(doubledoubleArea();void #include#include (a,b)SetRadius(r);voidCircl

10、e:SetRadius(doubler)radius=(r=0?r:0 doublevoidCircle:SetRadius(doubler)radius=(r=0?r:0 doubleCircle:Area()return3.14159*radius*radius; void Circle:PrcoutCenter=cout;Radius=radius #include#includepo#includeCirclecoutThecentreofcirclec:; coutnTheareaofcirclec:c.Area()九、文件與輸入輸#include #includeusingifst

11、reamchara20; in a;#includeifstreamin #include / in #include / o#includeout o5.#includech=cin.get #include coutcoutcoutcout.setf(ios:left); 左對齊: 十、模板、cout.setf(ios:left); 左對齊: 十、模板、T tmax(T a, T b)m1=5,char c1=a, c2=b;coutd1和d2中的最大值是: tmax(d1, d2) endl; coutc1和c2中的最大值是: tmax(c1, c2) endl;templatetype

12、name class AnyTypeT AnyType i (5); AnyType c (a);cout 整型類： i.GetX() endl; cout雙精度類：d.GetXendl; cout 字符類： c.GetX() endl;classTime Time( =1, =1, s)m;private Time t; classDate;對DateTime( =1, =1, s)m;private Time t; classDate;對Date Timepubl void類voidy)mon=m; voidy)mon=m; voidvoid&t)voidTimet; Date#inclu

13、deusing #includeusing return #include char不可以整體賦值，數(shù)組不可以整體輸入輸出和賦值 */* 定義符號常量，constdoublepai=3.14; #definepai3.14 enumcolorred,yellow,bluedisplay return 0;/ 0#include / / (c)ASCIIc c ASCII/ #includewhile return/ wordi=z& #includedouble/ / / / / / #include/ char/ / / / / #include/ char / / / / / #inclu

14、de#includen0就求自冪數(shù)，n0 / m/ / / n/ return#includechar right=”正確，祝賀！”； charwrong=”錯誤，加油啊！”； / / input=ccoutright/ #includeusing/ / / #includeusing/ / void main()double / r / / /* r 是形參，接受從主調(diào)函數(shù)那里傳遞過來的數(shù)/ 1.轉(zhuǎn)義字符：n t 制表（8個字符00，b couttcout”hownare3.switch 的用法（程序的一部分來說明case case case 8:case 7:case 6:case cas

15、e case 8:case 7:case 6:/ 下面的case/ case#include returnxy?x: returnxy?x:charmax(charx,charreturnxy?x:void1 #include using namespavoidswap(void main()a=3,/ void2 #include/ / / 1 #include using namespavoidswap(void main()a=3,/ void2 #include/ / / usingvoidswap(a=5,/ returnvoid3 #include voida=5,returnvo

16、id #include using/ / i, a=5,returnvoid #include using/ / i, return/ 5 #include usingvoidfor(j=0;jn-1;for(i=0;ibi+1)voidvoidreturn 0; #include/ return voidif #include/ ifreturn true;/ #include/ ifreturn true;/ n的因子時返回 forif(isprime(i)&/ i和i+28 200#include / boolifreturn true;for 9 #includeusingvoid 9

17、 #includeusingvoid i, forforreturn0;10 使用指針數(shù)#includevoidi,j,*p3,/ / #include #include returnfalse; returntrue; ifcharif if cout”該 IP 地址對應(yīng)的點分十進制寫法是:”endl; if cout”該 IP 地址對應(yīng)的點分十進制寫法是:”endl; 12 #include usingvoidforfordelete1 strcpy(str1,strcat(str1str2)長度 strlen(str)3 4 5 ，p5 ，p數(shù)據(jù)元素地址&aij或*(a+i)+jai+j

18、，首地址&a00a0或*aa+i，行首地址*(a+i)ai 表示 i 行j 列元素的值#includei, 和#includeusingifreturn max;max,#includeusingifreturn max;max,例：編寫實現(xiàn)庫函數(shù)#includes_cmp(char*s,char/ while(*s)&(*t)&if(*s-if(*s-return 0;charif(*s-return 0;char/ #includevoidstructchar stno9; 學(xué)號t數(shù)學(xué)t物理t化學(xué)t英語t計算機for (j=0;j5;j+)for (i=0;i10;i+)if:studi.

19、stname 學(xué) 號 :studi.stno 不 及 數(shù)if (studi.scorej#includestruct studentvoid voidfun(student*); #includestruct studentvoid voidfun(student*); / 址 樣/ p-name與(*p).name和#includestructstruct structcharphonenumber11; struct day currentday; char return如 account1=account2 account0=account1struct return如

20、account1=account2 account0=account1struct/ / 員for (p=account;paccount+100;p+) #include #includestructfor for i, num=0; whileififforreturn#includecharname20; ;if#includecharname20; ;ifif (strcmp(pi.job,”student”)=0) 1.grand 1 或1.grand或 2#include）1 或1.grand或 2#include）case case case casecaseblue:casec

21、aseblack:returncasecaseblack:return故而temp=red正確，而temp=0 錯誤，但是可以強制轉(zhuǎn)換temp=(enumcolor#include#includeusingclass權(quán)限修飾符 private / / / / / initvoidinit(charvoidvoid hangup();void/ / 在類外以”類名:函數(shù)成員” cout”Answeringnumberis”othernumberendl; cout”Answering in”endl;inlinevoid cout”Answeringnumberis”othernumberendl; cout”Answering in”endl;inlinevoid mobilereturn 0;（2）mobile*p; #includ