how to sort array in c 2b 2b

1
2// STL IN C++ FOR SORING
3#include <bits/stdc++.h> 
4#include <iostream> 
5using namespace std; 
6int main() 
7{ 
8    int arr[] = {1, 5, 8, 9, 6, 7, 3, 4, 2, 0}; 
9    int n = sizeof(arr)/sizeof(arr[0]); 
10    sort(arr, arr+n);  // ASCENDING SORT
11    reverse(arr,arr+n);   //REVERESE ARRAY 
12    sort(arr, arr + n, greater<int>());// DESCENDING SORT
13  } 

1// C++ program to demonstrate default behaviour of 
2// sort() in STL. 
3#include <bits/stdc++.h> 
4using namespace std; 
5  
6int main() 
7{ 
8    int arr[] = {1, 5, 8, 9, 6, 7, 3, 4, 2, 0}; 
9    int n = sizeof(arr)/sizeof(arr[0]); 
10  
11    sort(arr, arr+n); 
12  
13    cout << "\nArray after sorting using "
14         "default sort is : \n"; 
15    for (int i = 0; i < n; ++i) 
16        cout << arr[i] << " "; 
17  
18    return 0; 
19} 

1#include <bits/stdc++.h> 
2using namespace std; 
3
4#define size(arr) sizeof(arr)/sizeof(arr[0]);
5
6
7int main(){
8
9    int a[5] = {5, 2, 6,3 ,5};
10    int n = size(a);
11    sort((a), a + n);
12    for(int i = 0; i < n; i++){
13        cout << a[i];
14    }
15
16
17    return 0;
18
19}
20

1#include <iostream>
2using namespace std;
3
4#define MAX 100
5
6int main()
7{
8	//array declaration
9	int arr[MAX];
10	int n,i,j;
11	int temp;
12	
13	//read total number of elements to read
14	cout<<"Enter total number of elements to read: ";
15	cin>>n;
16	
17	//check bound
18	if(n<0 || n>MAX)
19	{
20		cout<<"Input valid range!!!"<<endl;
21		return -1;
22	}
23	
24	//read n elements
25	for(i=0;i<n;i++)
26	{
27		cout<<"Enter element ["<<i+1<<"] ";
28		cin>>arr[i];
29	}
30	
31	//print input elements
32	cout<<"Unsorted Array elements:"<<endl;
33	for(i=0;i<n;i++)
34		cout<<arr[i]<<"\t";
35	cout<<endl;
36	
37	//sorting - ASCENDING ORDER
38	for(i=0;i<n;i++)
39	{		
40		for(j=i+1;j<n;j++)
41		{
42			if(arr[i]>arr[j])
43			{
44				temp  =arr[i];
45				arr[i]=arr[j];
46				arr[j]=temp;
47			}
48		}
49	}
50	
51	//print sorted array elements
52	cout<<"Sorted (Ascending Order) Array elements:"<<endl;
53	for(i=0;i<n;i++)
54		cout<<arr[i]<<"\t";
55	cout<<endl;	
56	
57	
58	return 0;
59	
60}
61

1sort(arr, arr+length); //increase
2sort(arr, arr+length, greater<int>()); //decrease 

1#include <iostream>
2using namespace std;
3int main () {
4
5  int n,i,j,temp;
6  cout << "how many Arrays you wanna sort? ";
7  cin >> n;
8  cout << endl << endl;
9  int a[n];
10  for(i = 0;i < n; i++){
11    cout << "please enter your " << i + 1 << " array : ";
12    cin >> a[i];
13  }
14  for(i = 0; i < n; i++){
15   for(j = 0; j < n - 1; j++){
16    if( a[j] > a[j+1]){
17     temp = a[j];
18      a[j] = a[j+1];
19        a[j+1] = temp;
20    }
21   }
22  }
23
24  cout << "\nArray after sorting using default sort is : \n";
25    for (i = 0; i < n; i++)
26      cout << a[i] << '\t';
27
28 return 0;
29}