Hello World
Program
To write your first
"Hello World" program follow the below instructions
Launch Visual C++
Create a new C++ Solution/Project
1. Select
"File" menu ⇒ "New" ⇒ "Project...".
2. In the
"Project types" box select "VC++" and in templates box
select "Win32 Console Application".
3. Check the
"Create directory for solution" box.
4. In the
"Name" field, enter "Hello" as the project name.
5. In the
"Location" field, choose your working directory.
6. Click
"OK".
7. "Win32
Application Wizard" dialog-box appears ⇒ Click "Next".
8. In "Application
settings", select "Empty project"
9. Click
"Finish".
Step 2: Write a C++ program
1. In
"Solution Explorer" panel, expand the "Hello" project node and
right-click on "Sources Files" ⇒ "Add" ⇒ "New Item...".
2. In the
"Categories" box, select "Code".
3. In the
"Templates" box, select "VC++ File(.cpp)".
4. In the
"Name" field, enter "Hello" as the filename
5. Click
"Add".
6. In the editor
panel for "Hello.cpp", type the following C++ codes.
7. #include
<iostream>
8. using
namespace std;
9.
10. int main() {
11. cout << "Hello, world!"
<< endl;
}
#include <iostream>
using namespace std;
int main() {
int age;
cout << "Enter your age"
<< endl;
cin >> age;
if
(age > 50)
cout << " You are old" << endl;
else
cout << "You are young";
return
0;
}
#include <iostream>
using namespace std;
int main() {
int
count=0, num;
while
(count<5)
{
cout << "Enter number"
<< endl;
cin >> num;
count=count+1;
}
return 0;
}
....
LAB 1 – EX 1
#include<iostream>
usingnamespacestd;
int main() {
int count=0, num , sum=0 ;
while (count<5)
{
cout<<"Enter
number"<<endl;
cin>>num;
sum+=num;
count++;
}
cout<< sum <<endl;
return 0;
}
---------------------------------------------------------------------------------
LAB 1 – EX 2
#include<iostream>
usingnamespacestd;
int main() {
int count=0, num , sum=0 ;
for (int i = 0; i<5 ;
i++){
cout<<"Enter
number"<<endl;
cin>>num;
sum+=num;
}
cout<< sum <<endl;
return 0;
}
---------------------------------------------------------------------------------
LAB 1 – EX 3
#include<iostream>
usingnamespacestd;
int main() {
for (int i = 1; i<10 ;
i++){
for (int j = 0; j<9 ;
j++){
cout<<
i <<"";
}
cout<<endl;
}
return 0;
}
---------------------------------------------------------------------------------
LAB 1 – EX 4
#include<iostream>
usingnamespacestd;
int main() {
for (int i = 0; i<10 ;
i++){
for (int j = 1; j<=i ;
j++){
cout<<
j <<"";
}
cout<<endl;
}
}
---------------------------------------------------------------------------------
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