How to Solve Form Largest Integer With Digits That Add up to Target Problem
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Form Largest Integer With Digits That Add up to Target
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 tot...
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Understanding the Form Largest Integer With Digits That Add up to Target Problem
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Problem Statement
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".
Form Largest Integer With Digits That Add up to Target
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Examples
cost = [4,3,2,5,6,7,2,5,5], target = 9"7772"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
cost = [7,6,5,5,5,6,8,7,8], target = 12"85"The cost to paint the digit '8' is 7, and the digit '5' is 5. Then cost("85") = 7 + 5 = 12.
cost = [2,4,6,2,4,6,4,4,4], target = 5"0"It is impossible to paint any integer with total cost equal to target.
Constraints
cost.length == 91 <= cost[i], target <= 5000How Interview Coder Helps with Leetcode Problems
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