# How to sort an Array using STL in C++?

Given an array arr[], sort this array using STL in C++.

Example:

Input: arr[] = {1, 45, 54, 71, 76, 12}
Output: {1, 12, 45, 54, 71, 76}

Input: arr[] = {1, 7, 5, 4, 6, 12}
Output: {1, 4, 5, 6, 7, 12}

## Recommended: Please try your approach on {IDE} first, before moving on to the solution.

Approach: Sorting can be done with the help of sort() function provided in STL.

Syntax:

sort(arr, arr + n);

 // C++ program to sort Array // using sort() in STL    #include using namespace std;    int main() {        // Get the array     int arr[] = { 1, 45, 54, 71, 76, 12 };        // Find the size of the array     int n = sizeof(arr) / sizeof(arr[0]);        // Print the array     cout << "Array: ";     for (int i = 0; i < n; i++)         cout << arr[i] << " ";     cout << endl;        // Sort the array     sort(arr, arr + n);        // Print the sorted array     cout << "Sorted Array: ";     for (int i = 0; i < n; i++)         cout << arr[i] << " ";     cout << endl;        return 0; }

Output:

Array: 1 45 54 71 76 12
Sorted Array: 1 12 45 54 71 76

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