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How to sort an Array using STL in C++?
Here we will see how to sort an array using STL functions in C++. So if the array is like A = [52, 14, 85, 63, 99, 54, 21], then the output will be [14 21 52 54 63 85 99]. To sort we have one function called sort() present in the header file <algorithm>. The code is like below −
Example
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
int arr[] = {52, 14, 85, 63, 99, 54, 21};
int n = sizeof(arr) / sizeof(arr[0]);
cout << "Array before sorting: ";
for (int i = 0; i < n; i++)
cout << arr[i] << " ";
sort(arr, arr + n);
cout << "\nArray after sorting: ";
for (int i = 0; i < n; i++)
cout << arr[i] << " ";
}Output
Array before sorting: 52 14 85 63 99 54 21 Array after sorting: 14 21 52 54 63 85 99
Updated on: 17-Dec-2019
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