Problem 1323. Alternating sum

   y = x(1) - x(2) + x(3) - x(4) + ...

Solution Comments

Problem Recent Solvers822

Suggested Problems

• Reverse Run-Length Encoder

  2704 Solvers

• QWERTY coordinates

  2359 Solvers

• Filter AC, pass DC

  355 Solvers

• Increment a number, given its digits

  676 Solvers

• Sum of series V

  1668 Solvers

More from this Author11

• Mean ignoring NaNs

  51 Solvers

• Rotate matrix 60 degrees

  3 Solvers

• James Bond film count

  52 Solvers

• Pluralization

  86 Solvers

• Leap years on other planets

  65 Solvers