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C++
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C++C++C++
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1C++C++C++12C++C3C++4VCC++
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2C++C++C++1234
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3C++C++C++12const345678typedef
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4C++C++C++1234
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5C++C++C++123
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6C++C++C++1234
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7C++C++C++1#include2#define3
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C++C++
C++C++ C++CCC++CC++C++Visual C++C++ BuilderBorland
C++IBMVisualAge C++
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C++CC++
C++C++ C/*C: simple.c */#include void main(void){printf( Hello
World !\n ) ; /**/}
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C++CC++
C++C++ C++// C++simple.cpp#include void main(void){cout
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C++CC++
C++C++ 1.C++C2.CCC++CPP3.C/**/ C++// 4.Cstdio.hC++iostream.h
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CC++?C++
C++C++ cc++cc++c++c+c++cCC++C++
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C++C++
C++C++ C++ main()
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C++
C++C++ #include void main(){int math, chem, phy, ave;
coutmath>>chem>>phy;ave=(math+chem+phy)/3.0+0.5;
if (ave>=90)cout
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C++C++
C++C++ ,\{}///**/
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C++CC++
C++C++ 1CC++C++
: int Max(int a, int b) {}; //C++,C int Max(a, b) //C++C int a;
int b; {}
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C++CC++
C++C++ 2C{}C++
3C++newdeleteCmalloc()free()
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C++CC++
C++C++ 4C++C5C++iostream.hCstdio>>
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C++
C++C++ #include
void main(void){ cout
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Visual C++C++
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Visual C++C++
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Visual C++C++
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Visual C++C++
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Visual C++C++
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Visual C++C++
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C++
C++C++ 1C++
2Hello worldMFC
3C++()
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C++
C++C++ #include using namespace std;void main(){std::cout
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iostreamiostream.hC++
C++C++ #include using namespace std; C++ #include C,.
iostream98C++iostream.hVC7DevC++.h) .
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cout, cin, cerr , clogC++
C++C++ cout;cin ;cerr ; clog ; cerrcoutcerrcoutcerrcoutendl
cerrclog cout
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C:\>test.exe > a.txtC++
C++C++ #include int main(){ cout
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\nendlC++
C++C++ \nendliostreamendl C++ cout
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I/O #include 1) a)setprecision(n) 6
b)setprecision(n)+setiosflags(ios::fixed)
c)setprecision(n)+setiosflags(ios::scientific) 2)setw(n) 3) dec()
octhex4) setfill(')+setw(n) 5) setiosflags(ios::left)
setiosflags(ios::right) () 6) setiosflags(ios::showpoint)
setiosflags(ios::showpos) C++
C++C++
- mainargcargvint main(int argc, char *argv[]){for(int i=0;
i
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C++ C++C++
C++
C++
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C++
C++
C++ GetPersonCounts()
get_person_counts()xysumlengthAreaMyfunm_xPosCPersonperson1
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C++C++CC++C++
C++
C++
autoboolbreakcasecharclassconstcontinuedefaultdeletedodoubleelseenumexternfalsefloatforfriendgotoifinlineintlongnewoperatorprivateprotectedpublicreturnshortsignedsizeofstaticstructswitchtemplatethistruetrytypedefunionunsignedusingvirtualvoidwhile
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constC++
C++
C++
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[=] [=]
int x; float radius=123.56f; int x, y=100;C++
C++
C++
- +-*/%++()=+=->&&
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C++1int a=12;a += a - = a*a; //a2642:x>y?x:u>v?u:v
x>y?x:(u>v?u:v)3unary ++++a;C++
C++
C++
-
int i=3; int b=(++i)+(++i)+(++i);VC16TC3015C++
C++
C++
- a+b+max(a+b); x+y+10.5; area=PI*radius*radius; (a>b)
&& (x
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C++C++ C++C++C++
C++
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int num, total; float v, r, h; int a=3; // int a(3); char c=A;
long lx=12345678; unsigned int nWidth;
( ) float x=123.56; int i=(int)x; // i=123C++C++
C++
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int iIndex = 0;C++C++
C++
int iIndex; iIndex = 0;
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constconstconstconst const int size=20;constC++C++
C++
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[]
C++C++
C++
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[]
C++C++C++C++
C++
-
float grade[3]={90.0, 75.0, 85.0};
0int a[2][3]={2, 4, 6};
C++C++
C++
- 10#include void main(){int i;float score[10];cout=0;
i--)cout
-
C++?\0\0C++\0C++C++
C++
-
char s[ ]="Hello";s[0]=Hs[1]=es[2]=ls[3]=ls[4]=os[5]=\0
65C++C++
C++
-
\\""Please enter \"good\""Please enter "good"
char* ps="Hello";C++C++
C++
- #include void main(void){char* pStr1="Enter a string:"; char*
pStr2="The length of string is:";char string[100];coutstring;int
length=0;while(string[length]!=\0) length++;cout
-
C++//c++#include #include
using namespace std;void main(){string str="I am a
student.";
cout
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C++C++
C++
-
struct { . . . }struct Staff {intID;charname[20];bool sex;float
salary; }; C++C++
C++
-
Staff emp1;Staff emp2= {110105, "LiMing", true, 3809.80 };
emp1=emp2;emp1.ID=110108;strcpy(emp1.name, "WangPing");
Staff *pEmp = &emp1;pEmp->sex = false;C++C++
C++
-
4#include struct student { char name[20];int score[4];int
average;};
void main(void){student stu; int i, sum=0;coutstu.name;cout
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C++C++
C++
-
enumC++C++
C++
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enum { } enum Color{ Red, Green, Blue };Color MyColor ; MyColor
= Green;C++1021enum Color{Red = -1, Green, Blue =3};C++C++
C++
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typedeftypedef typedef
typedefC++C++
C++
-
typedef typedef int INTEGER;typedef unsigned char BYTE;typedef
struct tagDate {int year;int month;int day;} DATE;
INTEGER() intINTEGER i ;C++C++
C++
-
int a=2, b=3;int c=2ab;
char mych; mych=A;
mainC++C++
C++
-
nnn
-
C++C++C++C++
-
(main)C++C++C++
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void Myfun(int x){int y=3; {int z=x+y; . . . }int k; . .
.}C++C++C++
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. . . int x=1; static double y=1.0;
void Myfun(){. . . }. . . C++C++C++
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void main(){int a=20;int a=10;}void main(){int a=20;{int
a=10;}}
-
()(static)C++C++C++
- void Myfun(){int x=1; { int x(2), y(2);cout
-
register ()staticC++C++C++
-
newdeleteC++C++C++
-
autoregisterexternstatic
auto int a ; // astatic float b, c ; // bcC++C++C++
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autoregisterautoregisterexternstaticexternstaticautoexternC++C++C++
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C++C++C++
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staticC++C++C++
- . . . // extern int b; void fun(){ cout
- #include void fun(){static int a=0; a++; cout
-
::C++::
int amount=123; void main(){int amount=456;cout
-
C++C++C++
-
Cmalloc()free()C++newdelete
new p = new [size] ;
C++C++C++
-
newint* pNum=new int;float* px=new float;char* pBuffer=new
char[256];int* pa=new int[100];pi=new int(555); // pi = new
int[555]C++C++C++
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deletenew//int *p = new int;delete p ;//int *p = new
int[5];delete [ ] pa ;C++C++C++
- newdelete#include void main(){ int* pi; pi = new int; *pi =
555;//int *pi = new int(555); cout
-
C++ C++C++C++
-
if
if()elseC++C++C++
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if ifelse if. . . . . . else ifelseC++C++C++
- ifint n;cin>>n;if(2==n) {cout
-
C++C++C++
if (ave>=90){cout
-
switchswitch{ case break. . . . . . case break
default}C++C++C++
-
switchswitch
C++C++C++
- switchenum Color { Red, Green, Blue } ;Color MyColor =
Green;switch(MyColor) {case Red:{cout
- switchvoid main(){int i=0;switch(i){case 0:int j=2;cout
- char ch;ch=cin.get(); //cin>>ch;switch(ch){case '0':case
'1': . . . case '9':cout
-
forwhiledo-whileC++C++C++
-
forfor
2132forC++C++C++
- for1~50void main(){int i,sum=0;for(i=1; i
- forforfor (int i=0, j=0; i
- whilewhile while1~50void main(){int i=1,sum=0;while(i
- do-whiledo whiledo-while1~50void main(){int i=1,sum=0;do{sum +=
i;i++;} while(i
-
char ch;int off = 'A'-'a';do {ch = cin.get();
if(ch>='a' && ch
-
if() {}else {}C++C++C++
for(;;) {}do {}while();while() {}
- break for(int i=0; i
-
reference& & = C++C++C++
-
& =
intActualIntint &OtherInt = ActualIntC++C++C++
-
void main(void){int i=10;int &r=i; r++;cout
-
C++C++C++
-
void swap(int& x, int& y){int temp=x;x=y;y=temp;}
void main(){int a=20, b=40;swap(a, b);cout
-
C++C++C++C++
-
(){}C++C++C++
-
sum()xyint Sum(int x , int y){int temp;temp=x+y;return
temp;}C++C++C++
- int Sum(int x, int y) {void OutInt(int x) {cout
-
int Sum(int x, int y) {return x+y;}void main(){int a=2, b=3;int
c = Sum(a, b);}C++C++C++
-
------------------------C++C++C++
-
C++C++C++
constconst
- void Get_Max_Min(int ct, int *pArr, int &iMax, int
&iMin){iMax = iMin = pArr[0];for(int i=1;
ipArr[i]?iMax:pArr[i];iMin=iMin
-
C++
C++C++C++
-
staticexternC++C++C++
- File1.cppint YourFun(int x , int y)// { int temp; temp=x+y;
return temp;}File2.cpp#include extern int YourFun(int, int);main(){
int sum, a=20, b=40; sum=YourFun(a, b); cout
-
C++
void MyFun(int val=10){cout
-
// void fun1(int w, int x=1, int y=1, int z=1)
// void fun2(int w=1, int x=2, int y=3, int z)
// void fun3(int w=1, int x=2, int y, int z=3)
C++C++C++
-
void fun1(int w, int x=1, int y=1, int z=1)// fun1(10, 3, 1,
1)fun1(10, 3)// fun1(10, 3, 5, 1)fun1(10, 3, 5) // fun1(10, ,
5)C++C++C++
-
C++inlineC++C++C++
-
inlineC++C++C++
-
sum()
inline int sum(int x , int y){return x+y;}C++C++C++
-
#C++C++C++C++
-
#include#defineC++C++C++
-
#include
#include #include ""C++C++C++
-
#include
#include #include ""C++C++C++
-
#define
#define C++C++C++
-
#define
#define MAX(a , b) ( (a)>(b) ? (a):(b) ) main(){cout
-
C++C++C++
-
#define MUL(a,b) a*bc=MUL(1+2, 3+4); //?constC++C++C++
-
#undef C++C++C++
-
C++if#if#ifdef#ifndef#else#endifC++C++C++
-
#if [#else] #endif,,#ifdef [#else] #endif,,#ifndef [#else]
#endif,,C++C++C++
-
#define USER 11
void main(){#if USER>10cout
-
#define USER
void main(){#ifdef USERcout
-
#define USER
void main(){#ifndef USERcout
-
#include int MAX=100;
main(){int a=0;#if MAX>99cout
-
#ifdef C++C++C++
-
float x double
const float EPS = 0.00001;if ((x >= - EPS) && (x
=
-
F9F5watch
-
F10F11
-
//ct //pArr//pMax, pMinvoid GetMaxMinVal(int ct, int *pArr, int
*pMax, int *pMin);
-
2-432-442-462-532-602-672-712-772-792-802-812-83
-
1void Int2Str(int n, char *pArr);
-
(23)456( )/()/( )/( )/() 718,4 800 ---1130 200---530 600----930
800 ---1130 200---530
