Problem 2149. 2倍してみよう - ここからスタート！

 Input  x = 2
 Output y is 4
 Input  x = 17
 Output y is 34

Solution Comments

Problem Recent Solvers597

Suggested Problems

• Longest run of consecutive numbers

  6367 Solvers

• Check if number exists in vector

  13642 Solvers

• Create a vector whose elements depend on the previous element

  768 Solvers

• Insert zeros into vector

  867 Solvers

• Symmetry of vector

  1217 Solvers

More from this Author2

• ベクトルのスケーリング

  517 Solvers

• ベクトル [1 2 3 4 5 6 7 8 9 10]　の作成

  588 Solvers