Grokking the Coding Interview: Patterns for Coding Questions
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What is the point of " i < arr.length - 2" in the JS solution? I've been writing...

Ada

Feb 21, 2022

What is the point of " i < arr.length - 2" in the JS solution? I've been writing my solutions in Swift from the JS answers. I tried "

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Ada 4 years ago

Why isn't the rest of my comment showing??

Design Gurus
Design Gurus4 years ago

Because we need to find a triplet. In each loop iteration, we fix "i", and then find the other two number from the right side. Which means the right side should have at least two numbers. Hence, "i" can't point to the last two elements of the array.

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