Problem 91. Get the area codes from a list of phone numbers

Suggested Problems

• Remove the small words from a list of words.

  1527 Solvers

• Number of 1s in the Binary Representation of a Number

  456 Solvers

• Rotate input square matrix 90 degrees CCW without rot90

  637 Solvers

• Find nearest prime number less than input number

  861 Solvers

• Find the nearest prime number

  639 Solvers

More from this Author96

• Column Removal

  25994 Solvers

• Project Euler: Problem 2, Sum of even Fibonacci

  2505 Solvers

• Pattern matching

  2763 Solvers

• Fibonacci sequence

  13578 Solvers

• Kaprekar Steps

  2332 Solvers