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02. 哈希表题目

ITCharge大约 3 分钟

哈希表题目

题号标题题解标签难度
0705设计哈希集合open in new windowPythonopen in new window设计、数组、哈希表、链表、哈希函数简单
0706设计哈希映射open in new windowPythonopen in new window设计、数组、哈希表、链表、哈希函数简单
0217存在重复元素open in new windowPythonopen in new window数组、哈希表、排序简单
0219存在重复元素 IIopen in new windowPythonopen in new window数组、哈希表、滑动窗口简单
0220存在重复元素 IIIopen in new windowPythonopen in new window数组、桶排序、有序集合、排序、滑动窗口困难
1941检查是否所有字符出现次数相同open in new windowPythonopen in new window哈希表、字符串、计数简单
0136只出现一次的数字open in new windowPythonopen in new window位运算、数组简单
0383赎金信open in new windowPythonopen in new window哈希表、字符串、计数简单
0349两个数组的交集open in new windowPythonopen in new window数组、哈希表、双指针、二分查找、排序简单
0350两个数组的交集 IIopen in new windowPythonopen in new window数组、哈希表、双指针、二分查找、排序简单
0036有效的数独open in new windowPythonopen in new window数组、哈希表、矩阵中等
0001两数之和open in new windowPythonopen in new window数组、哈希表简单
0015三数之和open in new windowPythonopen in new window数组、双指针、排序中等
0018四数之和open in new windowPythonopen in new window数组、双指针、排序中等
0454四数相加 IIopen in new windowPythonopen in new window数组、哈希表中等
0041缺失的第一个正数open in new windowPythonopen in new window数组、哈希表困难
0128最长连续序列open in new windowPythonopen in new window并查集、数组、哈希表中等
0202快乐数open in new windowPythonopen in new window哈希表、数学、双指针简单
0242有效的字母异位词open in new windowPythonopen in new window哈希表、字符串、排序简单
0205同构字符串open in new windowPythonopen in new window哈希表、字符串简单
0442数组中重复的数据open in new window数组、哈希表中等
剑指 Offer 61扑克牌中的顺子open in new windowPythonopen in new window数组、排序简单
0268丢失的数字open in new windowPythonopen in new window位运算、数组、哈希表、数学、二分查找、排序简单
剑指 Offer 03数组中重复的数字open in new windowPythonopen in new window数组、哈希表、排序简单
0451根据字符出现频率排序open in new windowPythonopen in new window哈希表、字符串、桶排序、计数、排序、堆(优先队列)中等
0049字母异位词分组open in new windowPythonopen in new window数组、哈希表、字符串、排序中等
0599两个列表的最小索引总和open in new windowPythonopen in new window数组、哈希表、字符串简单
0387字符串中的第一个唯一字符open in new windowPythonopen in new window队列、哈希表、字符串、计数简单
0447回旋镖的数量open in new windowPythonopen in new window数组、哈希表、数学中等
0149直线上最多的点数open in new windowPythonopen in new window几何、数组、哈希表、数学困难
0359日志速率限制器open in new windowPythonopen in new window设计、哈希表简单
0811子域名访问计数open in new windowPythonopen in new window数组、哈希表、字符串、计数中等