java.lang.Object
g1401_1500.s1449_form_largest_integer_with_digits_that_add_up_to_target.Solution

public class Solution extends Object
1449 - Form Largest Integer With Digits That Add up to Target\. Hard Given an array of integers `cost` and an integer `target`, return _the **maximum** integer you can paint under the following rules_: * The cost of painting a digit `(i + 1)` is given by `cost[i]` ( **0-indexed** ). * The total cost used must be equal to `target`. * The integer does not have `0` digits. Since the answer may be very large, return it as a string. If there is no way to paint any integer given the condition, return `"0"`. **Example 1:** **Input:** cost = [4,3,2,5,6,7,2,5,5], target = 9 **Output:** "7772" **Explanation:** The cost to paint the digit '7' is 2, and the digit '2' is 3. Then cost("7772") = 2\*3+ 3\*1 = 9. You could also paint "977", but "7772" is the largest number. **Digit cost** 1 -> 4 2 -> 3 3 -> 2 4 -> 5 5 -> 6 6 -> 7 7 -> 2 8 -> 5 9 -> 5 **Example 2:** **Input:** cost = [7,6,5,5,5,6,8,7,8], target = 12 **Output:** "85" **Explanation:** The cost to paint the digit '8' is 7, and the digit '5' is 5. Then cost("85") = 7 + 5 = 12. **Example 3:** **Input:** cost = [2,4,6,2,4,6,4,4,4], target = 5 **Output:** "0" **Explanation:** It is impossible to paint any integer with total cost equal to target. **Constraints:** * `cost.length == 9` * `1 <= cost[i], target <= 5000`
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • largestNumber

      public String largestNumber(int[] cost, int target)