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In an array, for all element , how to find out if there exists n-1 or n+1 for each in the array?
| Author | Votes | Δ |
|---|---|---|
| Ankur | 1 | +4.00 |
| munnu singh | 0 | -4.00 |
Last visited: Aug 9, 2018, 9:00:57 PM