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Yup, nice! The solution can get a slight speed up by caching nums.get(i) instead of calling it three times. One could even replace !.containsKey() with cache == null.
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Equalize the Array
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Yup, nice! The solution can get a slight speed up by caching
nums.get(i)
instead of calling it three times. One could even replace!.containsKey()
withcache == null
.