Generate a square wave of desired length, number of complete cycles and duty cycle. Here, duty cycle is defined as the fraction of a complete cycle for which the cycle is at high value. Loops are not allowed.
Project Euler: Problem 10, Sum of Primes
Similar Triangles - find the height of the tree
Column norms of a matrix
Free passes for everyone!
Diagonal of a Spiral Matrix
Determine connected components of a graph
Largest Geometric Series
Fermat's last theorem - again
Tribute to Ramanujan
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