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Array Intersection

Challenges • Last reply from Rahat Zaman at February 16, 2021 at 7:47AM UTC

oh my gosh

22 posts

Identical Trees (Main Thread)

Challenges • Last reply from Rahat Zaman at February 5, 2021 at 4:16PM UTC

This is the main discussion thread generated for Identical Trees .

3 posts

Find Missing Number in Array (Main Thread)

Challenges • Last reply from Jake from AlgoDaily at January 26, 2021 at 6:11PM UTC

This is the main discussion thread generated for Find Missing Number in Array .

7 posts

Is An Anagram

Challenges • Last reply from Ray at January 25, 2021 at 4:05PM UTC

Since the previous challenge already mentioned time complexities. It should be mentioned that the sorting solution is Quasilinear O and a linear solution exists. If you create a set from both strings O and then check that both strings are subsets ...

7 posts

Two Sum (Main Thread)

Challenges • Last reply from Jake from AlgoDaily at January 25, 2021 at 3:21AM UTC

This is the main discussion thread generated for Two Sum .

8 posts

Balanced Brackets (Main Thread)

Challenges • Last reply from daviton at January 18, 2021 at 2:40PM UTC

This is the main discussion thread generated for Balanced Brackets .

2 posts

Power Of Three (Main Thread)

Challenges • Last reply from Rudy at January 13, 2021 at 6:51AM UTC

This is the main discussion thread generated for Power Of Three .

8 posts

Least Positive Number Explanation

Challenges • Last reply from Jake from AlgoDaily at January 10, 2021 at 12:46AM UTC

I do not understand the explanation of this problem nums[nums[i] - 1] != nums[i]) can give ArrayIndexOutOfBounds Exception as we are assuming that nums[i] will be an index Besides this, explanation states we are comparing the current number wi...

2 posts