C程序设计编程实例大全.docx

C程序设计编程实例大全.docx

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C程序设计编程实例大全程序设计编程实例大全C+程序编程实例大全#includeintmain（）std:

couthelloworld!

;#includeiostreamusingnamespacestd;voidmain（）int*p;p=newint;*p=5;/*p=newint（5）;*/cout*p;deletep;#includeiostreamusingnamespacestd;voidmain（）charname10;coutname;coutthenameisnameendl;#includeiostreamusingnamespacestd;voidmain（）charname10;intage;coutname;coutage;coutthenameisnameendl;couttheageisagen;studentwang;wang.no=n;cinwang.math;coutwang.nowang.mathendl;#includeiostreamusingnamespacestd;voidmain（）int*p;intn;coutn;if（p=newintn）=0）coutcantallocatemorememory,terminatingendl;exit

（1）;for（inti=0;in;i+）pi=i*2;coutNowoutputthearray:

endl;for（i=0;in;i+）coutpiendl;deletep;#includeiostreamusingnamespacestd;voidmain（）int*p;intn;coutn;if（p=newintn）=0）coutcantallocatemorememory,terminatingendl;exit

（1）;for（inti=0;in;i+）pi=i*i+1;coutNowoutputthearray:

endl;for（i=0;in;i+）coutpi;coutendl;deletep;/*Note:

YourchoiceisCIDE*/#includeusingnamespacestd;floata=2.4;voidmain（）inta=8;coutaendl;cout:

aendl;/*Note:

YourchoiceisCIDE*/#includevoidmain（）intnum=50;int&ref=num;ref+=10;coutnum=numendl;coutref=refendl;num+=40;coutnum=numendl;coutrefrefendl;/*Note:

YourchoiceisCIDE*/#includevoidmain（）intnum;int&ref=num;num=5;coutnum=numendl;coutref=refendl;cout&num=&numendl;cout&ref=&refendl;/*Note:

YourchoiceisCIDE*/#includeusingnamespacestd;voidswap（int&x,int&y）;voidmain（）intx=5,y=6;coutbeforeswap,x:

x,y:

yendl;swap（x,y）;coutafterswap,x:

x,y:

y;voidswap（int&rx,int&ry）intt=rx;rx=ry;ry=t;#include/usingnamespacestd;voidmain（）/*doubleradius;coutradius;doubleresult=radius*radius*3.14*4;coutTheresultis（double）resultn;*/doubleradius;std:

coutradius;std:

coutTheresultisradius*radius*3.14*4n;/*Note:

YourchoiceisCIDE*/#includeusingnamespacestd;intarray64=60,80,90,75,75,85,65,77,80,88,90,98,89,100,78,81,62,68,69,75,85,85,77,91;int&level（intgrade,intsize,int&tA,int&tB）;voidmain（）inttypeA=0,typeB=0;intstudent=6;intgradesize=4;for（inti=0;istudent;i+）level（arrayi,gradesize,typeA,typeB）+;coutnumberoftypeAistypeAendl;coutnumberoftypeBistypeBendl;int&level（intgrade,intsize,int&tA,int&tB）intsum=0;for（inti=0;i=80）returntA;elsereturntB;/*Note:

YourchoiceisCIDE*/#includeusingnamespacestd;float&fn2（floatr）floatt;t=3.14*r*r;returnt;voidmain（）fn2（5.0）=12.4;coutfn2（5.0）endl;/*Note:

YourchoiceisCIDE*/#include#includeusingnamespacestd;voidmain（）strings,t;coutpleaseinputazifuchuan:

s;t=Ilikeprogramming!

;coutzifuchuanoutput:

endlsendltendl;couts.append（OK!

）endl;/*Note:

YourchoiceisCIDE*/#includeusingnamespacestd;inlinedoublecircumference（doubleradius）;voidmain（）doubler=3.0,s;s=circumference（r）;coutthecircumferenceiss.endl;inlinedoublecircumference（doubleradius）return2*3.1415926*radius;/*Note:

YourchoiceisCIDE*/#includeintadd（intx,inty）intsum;sum=x+y;returnsum;intadd（intx,inty,intz）intsum;sum=x+y+z;returnsum;voidmain（）inta,b;a=add（5,10）;b=add（5,10,20）;couta=aendl;coutb=bendl;/*Note:

YourchoiceisCIDE*/#includetemplateTmin（Ta,intn）inti;Tminv=a0;for（i=1;iai）minv=ai;returnminv;voidmain（）inta=1,3,0,2,7,6,4,5,2;doubleb=1.2,-3.4,6.8,9.8;intc=1,9,5,-6,7,8;coutadeshuzuzhongminzhiwei:

min（a,9）endl;coutbdeshuzuzhongminzhiwei:

min（b,4）endl;coutcdeshuzuzhongminzhiwei:

min（c,6）endl;/*Note:

YourchoiceisCIDE*/#include#definePI3.1415926535#defineCSCircle_SquaretemplatedoubleCircle_Square（Tx）returnx*x*PI;doubleCircle_Square（longx）returnx*x*PI;voidmain（）intr1=1;doubler2=2.0;longr3=3;coutThefirstcsisCS（r1）endl;coutThesecondcsisCS（r2）endl;coutThethirdcsisCS（r3）endl;/*Note:

YourchoiceisCIDE*/#includevoidmain（）inti=0,&l=i,&k=l;i=+l-k;couti=iendl;/*Note:

YourchoiceisCIDE*/#includeclassTdatepublic:

voidset（int,int,int）;intisLeapYear（）;voidprint（）;private:

intmonth;intday;intyear;voidTdate:

set（intm,intd,inty）month=m;day=d;year=y;intTdate:

isLeapYear（）return（year%4=0&year%100!

=0）|（year%400=0）;voidTdate:

print（）coutmonth/day/yearendl;coutisLeapYear（）endl;voidmain（）Tdatex;x.set（10,23,2000）;x.isLeapYear（）;x.print（）;/*Note:

YourchoiceisCIDE*/#includeclassTdatepublic:

voidset（int,int,int）;intisLeapYear（）;voidprint（）;private:

intmonth;intday;intyear;voidTdate:

set（intm,intd,inty）month=m;day=d;year=y;intTdate:

isLeapYear（）return（year%4=0&year%100!

=0）|（year%400=0）;voidTdate:

print（）coutyear/month/dayendl;voidsomeFunc（Tdate&refs）refs.print（）;if（refs.isLeapYear（）couterrorendl;elsecoutrightprint（）;if（*pTdate）.isLeapYear（）couterrorendl;elsecoutrightendl;someFunc（s）;#includeusingnamespacestd;voidsphere（）;intmain（）sphere（）;voidsphere（）doubleradius;coutradius;if（radius0）return;couttheresultisradius*radius*3.14*4n;/*Note:

YourchoiceisCIDE*/#includeconstintSIZE=10;classCstackprivate:

charstkSIZE;intposition;public:

voidinit（）position=0;charpush（charch）;charpop（）;charCstack:

push（charch）if（position=SIZE）cout栈满endl;return0;stkposition+=ch;returnch;charCstack:

pop（）if（position=0）coutn栈空endl;return0;returnstk-position;voidmain（）Cstacks;s.init（）;charch;coutpleaseinputsomecharacters:

ch;while（ch!

=#&s.push（ch）cinch;coutendl;coutnowoutputthedata:

endl;while（ch=s.pop（）coutch;/*Note:

YourchoiceisCIDE*/#includeclassTdatepublic:

voidset（intm=5,intd=16,inty=1991）month=m;day=d;year=y;voidprint（）coutmonth/day/yearendl;private:

intmonth;intday;intyear;voidmain（）Tdatea,b,c;a.set（4,12,1996）;b.set（3）;c.set（8,10）;a.print（）;b.print（）;c.print（）;/*Note:

YourchoiceisCIDE*/#includeclasscubepublic:

intvolume（intht,intwd）returnht*wd;intvolume（intht,intwd,intdp）returnht*wd*dp;private:

intht,wd,dp;voidmain（）cubec;coutc.volume（10,20）endl;coutc.volume（10,20,30）endl;/*Note:

YourchoiceisCIDE*/#includeclassqueue/*默认私有*/intq100;intsloc,rloc;public:

queue（）;voidqput（inti）;intqget（）;queue:

queue（）sloc=rloc=0;coutqueueinitializedendl;voidqueue:

qput（inti）if（sloc=100）coutqueueisfullendl;return;sloc+;qsloc=i;intqueue:

qget（）if（rloc=sloc）coutqueueisemptyendl;return0;rloc+;returnqrloc;voidmain（）queuea,b;a.qput（10）;b.qput（20）;a.qput（20）;b.qput（19）;couta.qget（）;coutb.qget（）n;couta.qget（）;coutb.qget（）n;/*Note:

YourchoiceisCIDE*/#includeclasstestprivate:

intnum;floatf1;public:

test（）;test（intn,floatf）;intgetint（）returnnum;floatgetfloat（）returnf1;test:

test（）coutInitializingdefaultendl;num=0;f1=0.0;test:

test（intn,floatf）coutInitializingn,fendl;num=n;f1=f;voidmain（）testx;testy（10,21.5）;test*px=newtest;test*py=newtest（10,21.5）;/*Note:

YourchoiceisCIDE*/#includeclassTdatepublic:

Tdate（intm=5,intd=16,inty=1990）month=m;day=d;year=y;coutmonth/day/yearendl;private:

intmonth;intday;intyear;voidmain（）Tdateaday;Tdatebday

（2）;Tdatecday（3,12）;Tdatedday（1,22,1998）;/*Note:

YourchoiceisCIDE*/#include#includeusingnamespacestd;classStudentpublic:

Student（char*pName）coutcalloneparameterconstructorendl;strncpy（name,pName,sizeof（name）;namesizeof（name）-1=0;coutthenameisnameendl;Student（）coutcallnoparameterconstructorendl;protected:

charname20;voidmain（）StudentnoName;Studentss（Jenny）;/*Note:

YourchoiceisCIDE*/#includeusingnamespacestd;classtestprivate:

intnum;floatf1;public:

test（）;test（intn,floatf）;intgetint（）returnnum;floatgetfloat（）returnf1;test:

test（）coutInitializingdefaultendl;num=0;f1=0.0;test:

test（intn,floatf）coutInitializingn,fendl;num=n;f1=f;voidmain（）coutthemainfunction:

endl;testarray5;coutthesecondelementofarrayisarray1.getint（）,array1.getfloat（）endl;/*Note:

YourchoiceisCIDE*/#includeusingnamespacestd;classtestprivate:

intnum;floatf1;public:

test（intn）;test（intn,floatf）;inlinetest:

test（intn）coutInitializingtnendl;num=n;test:

test（intn,floatf）coutInitializingtn,fendl;num=n;f1=f;voidmain（）testarray13=1,2,3;testarray2=test（2,3.5）,test（4）;testarray3=test（5.5,6.5）,test（7,8.5）;testarray4=test（5.5,6.5）,7.5,8.5;/*Note:

YourchoiceisCIDE*/#includeusingnamespacestd;classtestprivate:

intnum;floatf1;public:

test（intn）;test（intn,floatf）;inlinetest:

test（intn）coutInitializingtnendl;num=n;test:

test（intn,floatf）coutInitializingtn,fendl;num=n;f1=f;voidmain（）testarray13=1,2,3;testarray2=test（2,3.5）,test（4）;testarray3=test（5.5,6.5）,test（7,8.5）;testarray4=test（5.5,6.5）,7.5,8.5;#includeusingnamespacestd;intmain（）for（inti=1;i=10;i+）for（intj=1;j=i;+j）coutM;coutendl;#includeclassTdatepublic:

Tdate（intm=5,intd=16,inty=1990）month=m;day=d;year=y;coutmonth/day/yearendl;private:

intmonth;intday;intyear;voidmain（）Tdateaday;Tdatebday

（2）;Tdatecday（3,12）;Tdatedday（1,21,1998）;#include#includeusingnamespacestd;voidmain（）tryexceptiontheError;throw（theError）;catch（constexception&theError）couttheError.what（）endl;trylogic_errortheLogicError（LogicError!

）;throw（theLogicError）;catch（constexception&theLogicError）couttheLogicError.what（）endl;#include#includeusingnamespacestd;classPersonpublic:

Person（char*na）coutcallconstructorendl;name=newcharstrlen（na）+1;if（name!

=0）strcpy（name,na）;Person（Person&p）coutcallcopyconstructorendl;name=newcharstrlen（p.name）+1;if（name!

=0）strcpy（name,p.name）;voidprintname（）coutnameendl;Person（）deletename;private:

char*name;voidmain（）Personwang（wang）;Personli（wang）;wang.printname（）;li.printname（）;#includeusingnamespacestd;classSillyClasspublic:

SillyClass（int&i）:

ten（10）,refI（i）protected:

constintten;int&refI;voidmain（）inti;SillyClasssc（i）;coutiendl;#includeclassRMBpublic:

RMB（doublevalue=0.0）;operatordouble（）returnyuan+jf/100.0;voiddisplay（）cout（yuan+jf/100.0）endl;protected:

unsignedintyuan;unsignedintjf;RMB:

RMB（doublevalue）yuan=value;jf=（value-yuan）*100+0.5;voidmain（）RMBd1（2.0）,d2（1.5）,d3;d3=RMB（double）d1+（double）d2）;d3=d1+d2;d3.display（）;#include#includeclassStudentpublic:

Student（char*pName=noname,intssId=0）strncpy（name,pName,40）;name39=0;id=ssId;coutConstructingnewstudentpNameendl;Student（Student&s）coutConstructingcopyofs.nameendl;strcpy（name,copyof）;strcat（name,s.name