Bubble sort
#include <iostream>
using namespace std;
void bubble_sort(int a[], int n);
void swap(int &a, int &b);
int main()
{
int a[50];
int i, j, n;
cout << "Enter the number if elements in an array: " << endl;
cin >> n;
cout << "Enter the elements in array: " << endl;
for (int i = 0; i < n; i++)
cin >> a[i];
cout << "array after sorting" << endl;
bubble_sort(a, n);
for (int i = 0; i < n; i++)
cout << a[i] << " ";
}
void bubble_sort(int a[], int n)
{
int i, j;
for (int i = 0; i < n - 1; i++)
{
for (int j = 0; j < n - i - 1; j++)
{
if (a[j] > a[j + 1])
swap(a[j], a[j + 1]);
}
}
}
void swap(int &a, int &b)
{
int temp = a;
a = b;
b = temp;
}
