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题目描述 链接:https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/description/ You are given an integer array prices where prices[i] is the pri 阅读全文
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问题描述 You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Re 阅读全文
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问题描述 An ugly number is a positive integer whose prime factors are limited to 2, 3, and 5. Given an integer n, return the nth *ugly number*. 解释: 一个丑数是一 阅读全文
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64 - Minimum Path Sum 最小路径和 问题描述 Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right, which minimizes the s 阅读全文
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题目描述 Given two strings word1 and word2, return the minimum number of operations required to convert word1 to word2. You have the following three opera 阅读全文
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45_jump Game II 跳跃游戏II 问题描述 链接:https://leetcode.com/problems/jump-game-ii/description/ You are given a 0-indexed array of integers nums of length n. Y 阅读全文
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问题描述 You are given an integer array nums. You are initially positioned at the array's first index, and each element in the array represents your maxim 阅读全文
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42 -Trapping Rain Water 接雨水 问题描述 链接:https://leetcode.com/problems/trapping-rain-water/description/ Given n non-negative integers representing an eleva 阅读全文