Bubble Sort in C++ With User Input

 A program that will ask the user to give a series of numbers and then it will display the unsorted and sorted list of numbers given by the user using bubble sort algorithm using C++ programming language.

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Program Listing
#include <iostream>

using namespace std;

int main() {
   int n=0, temp=0;
   
   cout <<"\n\n";
   cout <<"\tBubble Sort in C++ With User Input";
   cout <<"\n\n";
   cout << "\tHow Many Items? : ";
   cin >> n;
   cout  <<"\n\n";
   
   int arr[n];
  
   for(int i = 0; i < n; i++) {
   	 cout << "\tEnter item value at item no. " << i+1 << " : ";
      cin >> arr[i];
   }

cout  <<"\n\n";
cout << "\tUnSorted Array" << endl;
cout  <<"\n\n";
cout << "\t";
   for(int i = 0; i < n; i++) {
      cout << arr[i] << " ";
   }
   
   // Bubble Sort
   for(int i = 0; i < n-1; i++) {
      for(int j = 0; j < n-i-1; j++) {
         if(arr[j] > arr[j+1]) {
            // Swapping
            temp = arr[j];
            arr[j] = arr[j+1];
            arr[j+1] = temp;
         }
      }
   }


   cout  <<"\n\n";
   cout << "\tSorted Array: " << endl;
   cout << "\n\n";
   cout << "\t"; 
   for(int i = 0; i < n; i++) {
      cout <<arr[i] << " ";
   }
   cout  <<"\n\n";
   cout << "\tEnd of Program" << endl;
   return 0;
}