3SUM problem (finding triplets) in better than O (n^2)
3SUM problem (finding triplets) in better than O (n^2) Asked 13 years, 8 months ago Modified 2 years, 10 months ago Viewed 6k times
What is the Time and Space Complexity of the 3Sum problem with the ...
Aug 24, 2019 · This looks like the standard approach to solving 3SUM in quadratic time. However, I disagree with the other answers concerning space complexity and believe it is quadratic as there can …
3SUM (finding all unique triplets in a list that equal 0)
I am working on the 3SUM problem (taken from leetcode), which takes a list as input and finds all unique triplets in the lists such that a+b+c=0. I am not really sure what my code is doing wrong, but it …
3SUM - O (n^2 * log n) slower than O (n^2)? - Stack Overflow
Jul 26, 2022 · In the scenario I present to you, my solution is supposed to represent O (n^2 * log n), and the "pointers" solution, which I assume is the fastest way to resolve the "3SUM" problem, represents …
Solving the LeetCode 3sum problem in Python - Stack Overflow
Oct 13, 2018 · Solving the LeetCode 3sum problem in Python Asked 7 years, 1 month ago Modified 7 years, 1 month ago Viewed 2k times
algorithm - Time complexity of 3Sum Smaller - Stack Overflow
Jun 3, 2017 · A problem called 3Sum Smaller on LeetCode asks: Given an array of n integers nums and a target, find the number of index triplets i, j, k with 0 <= i < j < k < n that satisfy the condi...
python - 3Sum - Time Complexity - Stack Overflow
Mar 19, 2020 · 3Sum - Time Complexity Asked 5 years, 1 month ago Modified 5 years, 1 month ago Viewed 335 times
what is the time complexity of the three sum algorithm
The naïve approach is O (N³). To see which sums of three are 0 all sums are computed and there are N * (N-1) * (N-2) / 4 different sums. But you can easily improve on that bound by first indexing the …
c++ - Leetcode #15: 3sum -- avoiding duplicate - Stack Overflow
Aug 12, 2016 · Leetcode #15: 3sum -- avoiding duplicate Asked 9 years, 6 months ago Modified 9 years, 6 months ago Viewed 2k times
2Sum, 3Sum, 4Sum ........kSum with HashSet (HashTable) solution
Aug 22, 2020 · This problem is a follow-up of 3Sum. 4Sum and 3Sum are very similar; the difference is that we are looking for unique quadruplets instead of triplets. Following a similar logic, we can …