Get the area codes from a list of phone numbers
"Look and say" sequence
Create logical matrix with a specific row and column sums
We love vectorized solutions. Problem 1 : remove the row average.
Packing Santa's Sleigh: First Layer
Minimum Sum thru a Lower Triangle
GJam 2014 China Rd B: Sudoku Checker
Unique: Enhanced Performance - Large and Wide Array - Speed Improvement (66% savings)
Coin Tossing: Probability of Same Heads for N tosses
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