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28
Proof of the undecidability of the Halting Problem
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21
What's so special about sine? (Concerning $y'' = -y$)
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17
Beautiful results in TCS
cstheory.stackexchange.com

14
Efficient Data Structure For Substring Search?
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12
I'm confused about what's recursive, tail recursive, primitive recursive and what's not
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11
Beautiful results in TCS
cstheory.stackexchange.com

9
Calculating the area of an irregular polygon
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9
Mathematical notation for a conditional sum
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8
Why is the time complexity of insertion sort not brought down even if we use binary sort for the comparisons?
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7
Can we do better than $O(n\log n)$ building a balanced binary tree?
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6
Algorithm to find the total resistance between 2 vertices of a graph
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6
Elementary problems with group theoretic solutions
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6
Find longest substring without repeating characters
stackoverflow.com

6
Longest Repeated Substring Better Complexity
stackoverflow.com

6
Is the set cover problem NP-complete when the cardinality of the collection of sets is equal to the cardinality of the universe?
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6
Is finding a set cover of size $k$ NP-complete?
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5
Asymptotically optimal algorithms
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5
Linear time algorithm for array with distinct element
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5
Heuristic algorithms for the dense assignment problem
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5
Closest pair of points between two sets, in 2D
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