sort(arr arr+n) in c++

#include <algorithm>

int main() {
    int arr[] = {3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5};
    int n = sizeof(arr) / sizeof(arr[0]);
    std::sort(arr, arr + n);
    // Now the array arr is sorted in ascending order
}