Sort Strings in Lexicographical Order

Write a C++ Program to Sort Strings in Lexicographical Order. Here’s simple C++ Program to Sort Strings in Lexicographical Order(Alphabetical) in C++ Programming Language.

C++ Strings : 

String is a sequence of characters. char data type is used to represent one single character in C++. So if you want to use a string in your program then you can use an array of characters.

The declaration and definition of the string using an array of chars is similar to declaration and definition of an array of any other data type.

Any string ends with a terminating null character ‘\0’. An array definition in such a way should include null character ‘\0’ as the last element.

C++ provides following two types of string representations:

• The C-style character string.
• The string class type introduced with Standard C++.

The C-style character string originated within the C language and continues to be supported within C++. This string is actually a one-dimensional array of characters which is terminated by a null character ‘\0’. Thus a null-terminated string contains the characters that comprise the string followed by a null.

Here is source code of the C++ Program to Sort Strings in Lexicographical Order. The C++ program is successfully compiled and run(on Codeblocks) on a Windows system. The program output is also shown in below.

SOURCE CODE : :

/*  C++ Program to Sort Strings in Lexicographical Order  */

#include <iostream>
using namespace std;

int main()
{
    int n;
    cout<<"How many Strings u want to Sort :: ";
    cin>>n;
    string str[n], temp;

    cout << "\nEnter [ "<<n<<" ] Strings Below :: " << endl;

    for(int i = 0; i < n; i++)
    {
        cout<<"\nEnter [ "<<i+1<<" ] String :: ";
        cin>>str[i];
    }

    for(int i = 0; i < n-1; ++i)
       for( int j = i+1; j < n; ++j)
       {
          if(str[i] > str[j])
          {
            temp = str[i];
            str[i] = str[j];
            str[j] = temp;
          }
    }

    cout << "\nAfter Sorting [ "<<n<<" ] Strings in lexicographical order :: \n" << endl;

    for(int i = 0; i < n; ++i)
    {
       cout << str[i] << endl;
    }

    return 0;
}

OUTPUT : :

/*  C++ Program to Sort Strings in Lexicographical Order  */

How many Strings u want to Sort :: 6

Enter [ 6 ] Strings Below ::

Enter [ 1 ] String :: Hello

Enter [ 2 ] String :: Helo

Enter [ 3 ] String :: Hlo

Enter [ 4 ] String :: Heelo

Enter [ 5 ] String :: Helllo

Enter [ 6 ] String :: Hilo

After Sorting [ 6 ] Strings in lexicographical order ::

Heelo
Helllo
Hello
Helo
Hilo
Hlo

Process returned 0

Above is the source code for C++ Program to Sort Strings in Lexicographical Order which is successfully compiled and run on Windows System.The Output of the program is shown above .

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