原文链接: https://leetcode-cn.com/problems/least-operators-to-express-number
英文原文Given a single positive integer x, we wil
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原文链接: https://leetcode-cn.com/problems/powerful-integers
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英文原文Given two strings s and t, each of which represents
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英文原文Given an array of points where points[i] = [xi,
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原文链接: https://leetcode-cn.com/problems/add-to-array-form-of-integer
英文原文The array-form of an integer num is an array r
原文链接: https://leetcode-cn.com/problems/broken-calculator
英文原文There is a broken calculator that has the integer startVa
原文链接: https://leetcode-cn.com/problems/number-of-squareful-arrays
英文原文An array is squareful if the sum of every pair o
原文链接: https://leetcode-cn.com/problems/clumsy-factorial
英文原文The factorial of a positive integer n is the product of al
原文链接: https://leetcode-cn.com/problems/numbers-with-repeated-digits
英文原文Given an integer n, return the number of posit