You are given a 0-indexed 2D integer array brackets where brackets[i] = [upperi, percenti] means that the ith tax bracket has an upper bound of upperi and is taxed at a rate of percenti. The brackets are sorted by upper bound (i.e. upperi-1 < upperi for 0 < i < brackets.length).
Tax is calculated as follows:
\n\nupper0 dollars earned are taxed at a rate of percent0.upper1 - upper0 dollars earned are taxed at a rate of percent1.upper2 - upper1 dollars earned are taxed at a rate of percent2.You are given an integer income representing the amount of money you earned. Return the amount of money that you have to pay in taxes. Answers within 10-5 of the actual answer will be accepted.
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Example 1:
\n\n\nInput: brackets = [[3,50],[7,10],[12,25]], income = 10\nOutput: 2.65000\nExplanation:\nBased on your income, you have 3 dollars in the 1st tax bracket, 4 dollars in the 2nd tax bracket, and 3 dollars in the 3rd tax bracket.\nThe tax rate for the three tax brackets is 50%, 10%, and 25%, respectively.\nIn total, you pay $3 * 50% + $4 * 10% + $3 * 25% = $2.65 in taxes.\n\n\n
Example 2:
\n\n\nInput: brackets = [[1,0],[4,25],[5,50]], income = 2\nOutput: 0.25000\nExplanation:\nBased on your income, you have 1 dollar in the 1st tax bracket and 1 dollar in the 2nd tax bracket.\nThe tax rate for the two tax brackets is 0% and 25%, respectively.\nIn total, you pay $1 * 0% + $1 * 25% = $0.25 in taxes.\n\n\n
Example 3:
\n\n\nInput: brackets = [[2,50]], income = 0\nOutput: 0.00000\nExplanation:\nYou have no income to tax, so you have to pay a total of $0 in taxes.\n\n\n
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Constraints:
\n\n1 <= brackets.length <= 1001 <= upperi <= 10000 <= percenti <= 1000 <= income <= 1000upperi is sorted in ascending order.upperi are unique.income.Compiled with clang 11 using the latest C++ 20 standard.
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