SELECTION SORT

#include<iostream>
using namespace std;

void swap(int &x,int &y)
{
x=x+y;
y=x-y;
x=x-y;
}

int main()
{
cout<<"enter how many number :";
int n;
cin>>n;
int a[20];
cout<<"enter the number\n";
for(int i=0;i<n;i++)
cin>>a[i];
int small;
for(int i=0;i<n;i++)
{
small=a[i];
for(int j=i;j<n;j++)
{
if(small>a[j])
swap(a[j],small);
      }
  a[i]=small;
}

cout<<"after sorting\n";

for(int i=0;i<n;i++)
cout<<a[i]<<endl;

return 0;
}