1449

1449-Form Largest Integer With Digits That Add up to Target.py

@@ -0,0 +1,20 @@
+class Solution:
+    def largestNumber(self, cost: List[int], target: int) -> str:
+        dp = [float("-inf")] * (target + 1)
+        dp[0] = 0
+        for c in cost:
+            for i in range(c, target+1):
+                dp[i] = max(dp[i], dp[i-c] + 1)
+
+        if dp[target] < 0:
+            return "0"
+
+        ans = []
+        j = target
+        for i in range(8, -1, -1):
+            c = cost[i]
+            while j >= c and dp[j] == dp[j-c] + 1:
+                j -= c
+                ans.append(str(i+1))
+
+        return "".join(ans)