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 Jun 6 answered Prim's algorithm Feb 23 comment Enumerate solution of $x_{1} + x_{2} + … + x_{r} = n$ There must be some restrictions on domain. otherwise you have infinitely many solutions. Feb 8 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. Feb 6 awarded Critic Feb 6 comment Uncertaint linear program Never mind polynomial, your problem solves in constant time. Its solution is not any dependent on its parameter values. Feb 6 answered Combining inequalities into one inequality Feb 3 comment Is A∨¬A a tautology when there is a proof (by contradiction)? How is your proof that it is not ? Feb 3 answered Prove that $n! ≥ (⌈n/2⌉)^{⌈n/2⌉}$ Feb 3 answered Total Permutation of graph with $n$ vertex? Feb 1 answered 2 color theorem Feb 1 comment What kind of algorithm/formula would I need to calculate how many items need to fill requirements? @tsdexter you welcome. glad that helped. Feb 1 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. Jan 31 answered What kind of algorithm/formula would I need to calculate how many items need to fill requirements? Jan 31 answered How to understand that sequence is logarithmic? Jan 14 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. Jan 14 comment Maximum |E| on a given degree-diameter — Reference request @jp26 Thank you for the input. However, I need the reference to cite. Jan 13 asked Maximum |E| on a given degree-diameter — Reference request Jan 3 revised Asymptotic value in math. added 65 characters in body Jan 2 awarded Student Jan 2 asked Asymptotic value in math.