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Create bubble sort cpp #684

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41 changes: 41 additions & 0 deletions bubble sort cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
#include<iostream>
using namespace std;
void swapping(int &a, int &b) { //swap the content of a and b
int temp;
temp = a;
a = b;
b = temp;
}
void display(int *array, int size) {
for(int i = 0; i<size; i++)
cout << array[i] << " ";
cout << endl;
}
void bubbleSort(int *array, int size) {
for(int i = 0; i<size; i++) {
int swaps = 0; //flag to detect any swap is there or not
for(int j = 0; j<size-i-1; j++) {
if(array[j] > array[j+1]) { //when the current item is bigger than next
swapping(array[j], array[j+1]);
swaps = 1; //set swap flag
}
}
if(!swaps)
break; // No swap in this pass, so array is sorted
}
}
int main() {
int n;
cout << "Enter the number of elements: ";
cin >> n;
int arr[n]; //create an array with given number of elements
cout << "Enter elements:" << endl;
for(int i = 0; i<n; i++) {
cin >> arr[i];
}
cout << "Array before Sorting: ";
display(arr, n);
bubbleSort(arr, n);
cout << "Array after Sorting: ";
display(arr, n);
}