Problem 1323. Alternating sum

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

Solution Comments

Problem Recent Solvers854

Suggested Problems

• Which doors are open?

  3443 Solvers

• QWERTY coordinates

  2373 Solvers

• Find the two-word state names

  1223 Solvers

• Sum all integers from 1 to 2^n

  17825 Solvers

• Side of an equilateral triangle

  7057 Solvers

More from this Author11

• Pluralization

  92 Solvers

• Evaluating continued fractions

  55 Solvers

• Mystery problem

  14 Solvers

• Pascal's pyramid

  138 Solvers

• Conic equation

  24 Solvers