Help me in solving DSAAGP08 problem

help
,
1

My issue

idk what is wrong with the sulotion

My code

#include <bits/stdc++.h>

using namespace std;

int main() {
    int arr[100] = {
        2,
        4,
        6,
        8,
        10
    }; // Initial array
    int size = 5; // Current size of the array

    int pos = 2; // Index of the element to delete

    if (pos>=0 && pos<size)
    { 
        for(int i=pos; i <size-1; i++)
        {
            arr[i]= arr[i+1];
        }
        
    }
    size--;
    
    cout<<"Updated array: ";
    for (int i = 0; i < size; i++) 
    {
        cout << arr[i] << " ";
    }

    return 0;
}

Learning course: Data structures & Algorithms lab
Problem Link: https://www.codechef.com/learn/course/muj-aiml-dsa-c/MUJADSAC05/problems/DSAAGP08