You've got a pretty good ELO, and are brave for publishing it. How often do you play?
Find the longest sequence of 1's in a binary sequence.
Remove all the words that end with "ain"
Sum of first n terms of a harmonic progression
Set the array elements whose value is 13 to 0
Is it an Armstrong number?
Magic is simple (for beginners)
Expression or variable?
Negation and new variables
Decrypt the cypher using XOR encryption (for beginners)
Divisors for big integer
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