Weirdly, the code that finishes the biggest problem in 0.6 sec on my machine will not finish on the server. Is 0.6 sec too long for the server, or is it an error? I'm not clever enough to understanding this, please help.
I met the problem too. Should we use some mathematical characters of the sequence to improve our codes? I'm not quite sure.
Find common elements in matrix rows
Rotate a Matrix by 90 degrees
Van Eck's Sequence's nth member
Sums of Distinct Powers
Check if the input is a strong prime
Calculate trends in time series
Check if the input is a balanced prime
Hexagonal numbers on a spiral matrix
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