Obviously,it's a DP problem,because this problem ask us to print the answers of all $$$k$$$ floors.
Let f[i][0] means the answer of floor $$$i$$$ ,and insure that
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Solution : [CF595E] By Elevator or Stairs?
Obviously,it's a DP problem,because this problem ask us to print the answers of all $$$k$$$ floors.
Let f[i][0] means the answer of floor $$$i$$$ ,and insure that
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