why do we need to take k??
and what means n=4 and k=3 in this problem??
Ladders problem recursion
@Ambuj-Singh-514796906079795 this means the no of ways to reach step n from n-1 , n-2 upto n-k (n=4 and k=3)
sorry for the late reply your doubt got missed by me due to some tech error
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