Solution.cpp

#include <iostream>
#include <vector>
using namespace std;

int removeDuplicates(vector<int>& arr) {
    if (arr.empty()) return 0;
    int j = 0; // Index for the next unique element
    for (int i = 1; i < arr.size(); i++) {
        if (arr[i] != arr[j]) {
            j++;
            arr[j] = arr[i];
        }
    }
    return j + 1;
}

int main() {
    int n;
    cout << "Enter the size of the sorted array: ";
    cin >> n;

    vector<int> arr(n);
    cout << "Enter " << n << " elements of the sorted array: ";
    for (int i = 0; i < n; i++) {
        cin >> arr[i];
    }

    int newSize = removeDuplicates(arr);
    cout << "Array after removing duplicates: ";
    for (int i = 0; i < newSize; i++) {
        cout << arr[i] << " ";
    }
    cout << endl;

    return 0;
}