201: Find and print first repeating element in array

 

// Find and print all unique elements of a given array of integers

#include <iostream>
using namespace std;
int main()
{
    int size;
    cout << "Enter the size of array: ";
    cin >> size;
    int array[size];
    for (int i = 0; i < size; i++)
    {
        cout << "Enter a string for index " << i << ": ";
        cin >> array[i];
    }
    system("cls");
    cout << "First repeating element is: ";
    for (int i = 0; i < size; i++)
    {
        for (int j = i + 1; j < size; j++)
        {
            if (array[i] == array[j])
            {
                cout << array[i];
                exit(0);
            }
        }
    }

    return 0;
}


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