Concepts2
∑MathIntermediate
Permutations and Combinations
Permutations count ordered selections, while combinations count unordered selections.
#permutations#combinations#binomial coefficient+12
⚙️AlgorithmIntermediate
Coin Change and Variants
Coin Change uses dynamic programming to find either the minimum number of coins to reach a target or the number of ways to reach it.
#coin change#dynamic programming#unbounded knapsack+12