Create 322-Coin-Change.py

Author: neetcode-gh

322-Coin-Change.py

@@ -0,0 +1,10 @@
+class Solution:
+    def coinChange(self, coins: List[int], amount: int) -> int:
+        dp = [amount + 1] * (amount + 1) 
+        dp[0] = 0
+        
+        for a in range(1, amount + 1):
+            for c in coins:
+                if a - c >= 0:
+                    dp[a] = min(dp[a], 1 + dp[a - c])
+        return dp[amount] if dp[amount] != amount + 1 else -1