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题目如下： In a warehouse, there is a row of barcodes, where the i-th barcode is barcodes[i]. Rearrange the barcodes so that no two adjacent barcodes are e 阅读全文
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题目如下： Students are asked to stand in non-decreasing order of heights for an annual photo. Return the minimum number of students not standing in the ri 阅读全文
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题目如下： Given an array A of positive integers (not necessarily distinct), return the lexicographically largest permutation that is smaller than A, that 阅读全文
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题目如下： Today, the bookstore owner has a store open for customers.length minutes. Every minute, some number of customers (customers[i]) enter the store, 阅读全文