Visual ++ 2010 Windwos. : , (native); , (Common Language Runtime- CLR) Net Framework. .
Visual C++ , ( ). , . , ++ Visual C++, .
. Visual ++. , --(Shift+Ctrl+N).
1.1
Win32.
1.2
, OK. .
1.3
Lr1.cpp. Lr1.cpp , . - -/++-, .
. :
#include "stdafx.h"
#include <iostream>
int _tmain(int argc, _TCHAR* argv[])
{
std::cout<<"Hello World!!\n";
return 0;
}
. include stdafx.h , . #include <iostream> -. _tmain. , main. _tmain, Unicode.
std::cout .
F7. :
1>------ : : Lr1, : Debug Win32 ------
1> 02.09.2012 16:27:43.
1>InitializeBuildStatus:
1> "Debug\Lr1.unsuccessfulbuild", "AlwaysCreate".
|
|
|
1>ClCompile:
1> .
1> Lr1.cpp
1>ManifestResourceCompile:
1> .
1>Manifest:
1> .
1>LinkEmbedManifest:
1> .
1> Lr1.vcxproj -> D:\ASP\\ \C++\Lr1\Debug\Lr1.exe
1>FinalizeBuildStatus:
1> "Debug\Lr1.unsuccessfulbuild" .
1> "Debug\Lr1.lastbuildstate".
1>
1> .
1>
1> : 00:00:01.61
========== : : 1, : 0, : 0, : 0 ==========
, error. . , cout cout1:
1>d:\asp\\ \c++\lr1\lr1\lr1.cpp(10): error C2039: cout1: "std"
1>d:\asp\\ \c++\lr1\lr1\lr1.cpp(10): error C2065: cout1:
1>
1> .
1>
1> : 00:00:00.69
========== : : 0, : 1, : 0, : 0 ==========
debug.
Ctrl+F5.
1.4
. . . , 3 float: a,b, S. cin. :
#include "stdafx.h"
#include <iostream>
int _tmain(int argc, _TCHAR* argv[])
{
setlocale(LC_ALL,"Rus"); //
float a,b,S;
std::cout<<" !!!\n";
std::cout<<" :";
std::cin>>a;
std::cout<<" :";
std::cin>>b;
S=a*b;
std::cout<<" :"<<S<<"\n";
return 0;
}
, C++ , .. s S .
1. , = -2,73+0,23x2-1,4. x y.
2. ( 405,9 ).
3. ( 1066,8 ).
4. : s =a*h/2, ; h .
5. : s = (a+b)*h/2, b ; h .
1. Visual C++. ;
2. , , 1.2;
|
|
|
3. , ;
4. .
1. Visual C++ 2010?
2. ?
3. ?
4. iostream?
5. ?
2.
: if
2.1.1 if
if (, ) , , .
:
if ()
;
. false, . true, . :
if (bigNumber<smallNumber)
bigNumber=smallNumber;
bigNumber smallNumber. bigNumber smallNumber, smallNumber.
, :
if (bigNumber<smallNumber)
{
Tmp=bigNumber;
bigNumber=smallNumber;
smallNumber=tmp;
}
, , .
int main(int argc, char* argv[])
{
int bigNumber, smallNumber;
cout<<"Enter a big number:";
cin>>bigNumber;
cout<<"Enter a small number:";
cin>>smallNumber;
if (bigNumber>smallNumber)
cout<<"Thanks\n";
else
cout<<"Oops. The second is bigger\n";
return 0;
}
if .
2.1.2 switch
switch () . 2.1. :
switch (){
case __1: [__1]
case __2: [__2]
case __: [__]
[default: ]
2.1 switch
( ), , , .
, , .
break. , . . , , default ( switch ).
:
switch (choice)
{
case 0:
cout<<Zero;
break;
case 1:
cout<<One;
break;
case 2:
cout<<Two;
break;
default:
cout<<default!;
break;
}
if
1. , . , ( ), . (, , ).
|
|
|
.
,
<Enter>.
12 0
. .
2. . . (, , ).
.
:
() -> 3.5
() -> 7
! .
3. , . . (, , ).
.
:
() -> 15
()-> 27.3
(1 , 2 ) -> 2
: 9.68
4. , . , , . .
(.) -> 2.90
! 60
<Enter>
5. . 10% , 1000 . .
<Enter>
-> 1200
10%
: 1080.00 .
6. , , . (, , ).
<Enter>
-> 23
23 .
2.2.1 switch
1. , , , .
2. , ( , ). . (, , ).
.
:
-> 423
( )-> 3
:
: 2.20 .
: .60 .
