3SUM (3SUM)
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Description
Given a set $S$ of integers, determine whether there is a subset of $S$ of size 3 that sums to 0.
Related Problems
Generalizations: Real 3SUM
Subproblem: 3SUM', All-Integers 3SUM
Related: All-Integers 3SUM
Parameters
S: the set of integers
n: the number of integers in the set
Table of Algorithms
Currently no algorithms in our database for the given problem.
Reductions TO Problem
Problem | Implication | Year | Citation | Reduction |
---|---|---|---|---|
3SUM' | if: to-time $N^{2-\epsilon}$ for some $\epsilon > {0}$ then: from-time: $N^{2-\epsilon'}$ for some $\epsilon' > {0}$ |
1995 | https://doi.org/10.1016/0925-7721(95)00022-2 | link |
3 Points on Line | if: to-time $N^{2-\epsilon}$ for some $\epsilon > {0}$ then: from-time: $N^{2-\epsilon'}$ for some $\epsilon' > {0}$ |
1995 | https://doi.org/10.1016/0925-7721(95)00022-2 | link |
Local Alignment | if: to-time $N^{2-\delta-\epsilon} for two strings of size $n$ and alphabet of size $n^{1-\delta}$ for some $\espilon > {0}$,$\delta \in ({0},{1})$ then: from-time: $n^{2-\epsilon'}$ for some $\epsilon' > {0}$ |
2014 | https://link.springer.com/chapter/10.1007/978-3-662-43948-7_4 | link |
All-Integers 3SUM | if: to-time: $T(n)$ then: from-time: $O(T(n))$ |
link |
Reductions FROM Problem
Problem | Implication | Year | Citation | Reduction |
---|---|---|---|---|
3SUM' | if: to-time $N^{2-\epsilon}$ for some $\epsilon > {0}$ then: from-time: $N^{2-\epsilon'}$ for some $\epsilon' > {0}$ |
1995 | https://doi.org/10.1016/0925-7721(95)00022-2 | link |
All-Integers 3SUM | if: to-time: $O(n^{2-\epsilon})$ for some $\epsilon > {0}$ then: from-time: $O(n^{1.5} + n^{2-\epsilon / 2})$ |
2018 | https://dl.acm.org/doi/pdf/10.1145/3186893, Theorem 8.1 | link |