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 Jun6 answered Prim's algorithm Feb23 comment Enumerate solution of $x_{1} + x_{2} + … + x_{r} = n$ There must be some restrictions on domain. otherwise you have infinitely many solutions. Feb8 comment Combinatorics/Permuation question - Am I overcounting? (Verify my answer) The Q seems to asking for "at most 2 repetitions of a digit". That's any number of digits repeating, but repeating at most twice. 11220045456 is a valid answer, but that's not what your solution is answering. Feb6 awarded Critic Feb6 comment Uncertaint linear program Never mind polynomial, your problem solves in constant time. Its solution is not any dependent on its parameter values. Feb6 answered Combining inequalities into one inequality Feb3 comment Is A∨¬A a tautology when there is a proof (by contradiction)? How is your proof that it is not ? Feb3 answered Prove that $n! ≥ (⌈n/2⌉)^{⌈n/2⌉}$ Feb3 answered Total Permutation of graph with $n$ vertex? Feb1 answered 2 color theorem Feb1 comment What kind of algorithm/formula would I need to calculate how many items need to fill requirements? @tsdexter you welcome. glad that helped. Feb1 comment Problem with slopes. Negative slope means the curve is moving in opposite directions on x- and y-axes -- towards negative on y-axis while the value on x-axis increases. A negative number is negative, doesn't matter where the '-' sign is. Jan31 answered What kind of algorithm/formula would I need to calculate how many items need to fill requirements? Jan31 answered How to understand that sequence is logarithmic? Jan14 comment Maximum |E| on a given degree-diameter — Reference request probably not worked. but it doesn't seem as hard as the lower bound which is solved in part. Jan14 comment Maximum |E| on a given degree-diameter — Reference request @jp26 Thank you for the input. However, I need the reference to cite. Jan13 asked Maximum |E| on a given degree-diameter — Reference request Jan3 revised Asymptotic value in math. added 65 characters in body Jan2 awarded Student Jan2 asked Asymptotic value in math.