Bubble sort algorithm using user defined function by C++

 #include <bits/stdc++.h>

using namespace std;

void sorting (int a[50],int n){

   int  i,j,temp;

for(i=0;i<n;i++){

cin >> a[i];

}

for(i=0;i<n-1;i++){

for(j=0;j<n-1;j++){

if(a[j]>a[j+1]){

temp = a[j];

a[j] = a[j+1];

a[j+1] = temp;

}

}

}

for(i=0;i<n;i++){

cout << a[i] << " ";

}

}

int main (){

int n;

cin >> n;

int arr[n];

sorting(arr,n);

return 0;

}