Remove Duplicate Elements

Medium Arrays

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Problem Statement

Write a C program to remove duplicate elements from a sorted or unsorted array and print the unique elements.

Input Format

First line contains n. Second line contains n elements.

Output Format

Print unique array elements separated by spaces.

Constraints

1 <= n <= 100

Sample Input

6
1 2 2 3 4 1

Sample Output

1 2 3 4

Explanation

Iterate through each element and check if it has appeared previously; if not, include it in the unique output list.

Starter Code

#include <stdio.h>

int main() {
    int n;
    if (scanf("%d", &n) == 1) {
        int arr[100];
        for (int i = 0; i < n; i++) {
            scanf("%d", &arr[i]);
        }
        // Write your code here to remove duplicates and print unique elements
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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