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DSA problems in Leetcode and Geeks for Geeks javaleetcodegeeksforgeeksdsa-solutions UpdatedMay 16, 2025 Java I put solutions of leetcode and gfg problems here, currently adding daily POTDs leetcodecppsolutiongeeksforgeeksdsajavascpotd UpdatedMay 16, 2025 ...
LeetCode233数字1的个数-容易理解的组合数学方法 tags: LeetCode DSA 题目 给定一个整数 n,计算所有小于等于 n 的非负整数中数字 1 出现的个数。 示例1: 输入:n = 13 输出:6 示例2: 输入:n = 0 输出:0 提示: 0 <= n <= 1e9 来源:力扣(LeetCode) 链接:https://leetcode.cn/problems/number-o...
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DSA Topics Tutorials Acquire knowledge of Data Structures and Algorithms, covering a range from fundamental to advanced level, by working through problems on LeetCode. Detailed Explanations In contrast to many discussions posts, our approach is to offer in-depth explanations, both in-line and in th...
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leetcode.com/problems/kth-largest-element-in-an-array/ 解析: 这道题有两种做法,第一种是构造长度是K的小顶堆,然后返回顶部的元素。第二种比较难想到,它的思想有点类似于快排和二分查找。选取某个pivot,把所有比pivot大的数放在左边,所有比pivot小的数放在右边。如果pivot处在位置k - 1出,则刚好找到...
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首先,DSA 是计算机科学的基石,是培养编程内功、高效解决各类计算问题的核心技能 1。掌握了 DSA,才能从根本上理解程序是如何高效运作的。 其次,学习 DSA 有助于显著优化代码性能。通过选择合适的数据结构和算法,可以编写出时间效率更高、空间占用更少的代码,这对于处理大规模数据和构建高性能应用尤为关键 2。例如,...