INDEX
- Simple Hello C++ program
- C++ program: Average of 2 (two) integers
- C++ program: Celsius (or Centigrade) to Fahrenheit conversion
- C++ program: SWAP PROGRAM (Using 3rd Variable)
- C++ program: SWAP PROGRAM (Without Using 3rd Variable)
- C++ program: Accept first name, middle name and lastname seperately and then display the full name.
- C++ program: Compound Interest calculation.
- C++ program: Aceept marks in five subjects - English, Physics, Chemistry, Mathematics, Computers and display the total marks and percentage
#include<iostream>
using namespace std;
int main()
{
cout<<"Hello!!! Welcome to C++";
return 0;
}
//Accept two integers and display their average
#include<iostream>
using namespace std;
int main()
{
int n1,n2;
float result;
cout<<endl<<"Enter 1st Integer: ";
cin>>n1;
cout<<"Enter 2nd Integer: ";
cin>>n2;
result=(n1+n2)/2.0;
cout<<"average = "<<result;
return 0;
};
//A program to aceept temperature in degree celsius and displays its farenheit equivalent
#include<iostream>
using namespace std;
int main()
{
float c, f;
cout<<endl<<"Enter temperature in Celsius: ";
cin>>c;
f=(9*c)/5+32;
cout<<c<<" degree celsius = "<<f<<" degree farenheit.";
return 0;
};
/*SWAP PROGRAM (Using 3rd Variable): Accept two integers, excahnge their values and then display their new values.
example:
Enter Integer1: 5
Enter Integer2: 7
Values Before Swap/Exchange: Integer1: 5 and Integer2: 7
Values After Swap/Exchange: Integer1: 7 and Integer2: 5
*/
#include<iostream>
using namesapce std;
int main()
{
int a,b,c;
cout<<endl<<"Enter Integer1: ";
cin>>a;
cout<<endl<<"Enter Integer2: ";
cin>>b;
cout<<endl<<"Values Before Swap/Exchange: Integer1: "<<a <<" and Integer2: "<<b;
c=a;
a=b;
b=c;
cout<<endl<<"Values After Swap/Exchange: Integer1: "<<a <<" and Integer2: "<<b;
return 0;
};
/*SWAP PROGRAM (Without Using 3rd Variable): Accept two integers, excahnge their values and then display their new values.
example:
Enter Integer1: 5
Enter Integer2: 7
Values Before Swap/Exchange: Integer1: 5 and Integer2: 7
Values After Swap/Exchange: Integer1: 7 and Integer2: 5
*/
#include<iostream>
using namesapce std;
int main()
{
int a,b,c;
cout<<endl<<"Enter Integer1: ";
cin>>a;
cout<<endl<<"Enter Integer2: ";
cin>>b;
cout<<endl<<"Values Before Swap/Exchange: Integer1: "<<a <<" and Integer2: "<<b;
a=a+b;
b=a-b;
a=a-b;
cout<<endl<<"Values After Swap/Exchange: Integer1: "<<a <<" and Integer2: "<<b;
return 0;
};
/*Accept first name, middle name and lastname seperately and then display the full name
example:
Enter First Name: Sachin
Enter Middle Name: Ramesh
Enter Last Name: Tendulkar
Full Name: Sachin Ramesh Tendulkar
*/
#include<iostream>
#include<stdio.h>
using namespace std;
int main()
{
char fname[25], mname[25], lname[25];
cout<<endl<<"Enter First Name: ";
gets(fname);
cout<<"Enter Middle Name: ";
gets(mname);
cout<<"Enter Last Name: ";
gets(lname);
cout<<"Full Name: "<<fname<<" "<<mname<<" "<<lname;
return 0;
};
/*Accept principal, rate of interest and time period, then display the compound interest and the amount earned.
example:
Principal Money: 1000
Rate of Interest(per annum): 10
Time period (in years): 3
Calculating for Interest Compounded Annually
Interest Earned: 331
Amount: 1331
*/
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
float p,r,t,ci,amt;
cout<<endl<<"Principal Money: ";
cin>>p;
cout<<"Rate of Interest (per annum): ";
cin>>r;
cout<<"Time period (in years): ";
cin>>t;
cout<<"Calculating for Interest Compounded Annually ...";
amt=p*pow((1+r/100),t);
ci=amt-p;
cout<<endl<<"Interest Earned: "<<ci;
cout<<endl<<"Amount: "<<amt;
return 0;
};
/*A program to aceept marks of a student in five subjects - English, Physics, Chemistry, Mathematics, Computers
and then display the total marks and percentage. Assuming maximum marks for each subject is 80.*/
#include<iostream>
int main()
{
float eng, phy, chem, math, comp, total, percent;
cout<<endl<<"Enter the Marks in Respective Subjects.";
cout<<endl<<"ENGLISH (out of 80): ";
cin>>eng;
cout<<"PHYSICS (out of 80): ";
cin>>phy;
cout<<"CHEMISTRY (out of 80): ";
cin>>chem;
cout<<"MATHEMATICS (out of 80): ";
cin>>math;
cout<<"COMPUTER (out of 80): ";
cin>>comp;
total=eng+phy+chem+math+comp;
percent=total*100/400;
cout<<endl<<"Total Marks (out of 400): "<<total;
cout<<endl<<"Percentage Secured: "<<percent<<" %";
return 0;
};
