Problem 48995. Double the next and alternate sign

Suggested Problems

• Project Euler: Problem 1, Multiples of 3 and 5

  3384 Solvers

• Return the first and last characters of a character array

  10450 Solvers

• Celsius to Kelvin

  748 Solvers

• Who invented zero?

  581 Solvers

• Find the area of the four walls

  280 Solvers

More from this Author11

• Alternate elements!

  47 Solvers

• Sum of a geometric series

  44 Solvers

• Say type of roots in quadratic equation

  38 Solvers

• Alternating 1´s and 0´s in a matrix

  25 Solvers

• Double the next!

  51 Solvers