CRED Reward Combination Count
CRED Reward Combination Count
MediumDynamic Programming0% accepted
CRED reward denominations are in array nums. Given a target amount, count the number of distinct ordered ways to reach the target (order matters, reuse allowed).
Approach
Count distinct ordered combinations (with repetition) summing to target.
Input
3 4
1 2 3
Output
7
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