Remove Duplicates

Medium Arrays (1D)

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Problem Statement

Write a C program to remove duplicate elements from a sorted 1D array and print the unique elements.

Input Format

First line: N. Second line: N sorted space-separated integers.

Output Format

Print unique elements separated by a space.

Constraints

1 <= N <= 1000

Sample Input

6
1 1 2 2 3 4

Sample Output

1 2 3 4

Explanation

Duplicate occurrences are removed, leaving unique sorted elements.

Starter Code

#include <stdio.h>

int main() {
    int n;
    if (scanf("%d", &n) == 1) {
        int arr[n];
        for (int i = 0; i < n; i++) scanf("%d", &arr[i]);
        // Write your code here
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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