1346. Check If N and Its Double Exist | Interview Preparation | English | code io

1346. Check If N and Its Double Exist
Given an array arr of integers, check if there exist two indices i and j such that :
i != j
0 = i, j arr.length
arr[i] == 2 * arr[j]
Example 1:
Input: arr = [10,2,5,3]
Output: true
Explanation: For i = 0 and j = 2, arr[i] == 10 == 2 * 5 == 2 * arr[j]
Example 2:
Input: arr = [3,1,7,11]
Output: false
Explanation: There is no i and j that satisfy the conditions.
Constraints:
2 = arr.length = 500
-103= arr[i] = 103
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[@SanthoshSan-vb4rp]

Its too late to reply ,but Nice explanation...

[@codeio-english]

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