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leetcode

TotalEasyMediumHard
82336842728

题目

编号题目代码题目描述难度
1两数之和srcleetcodeEasy
2两数相加srcleetcodeMedium
3无重复字符的最长子串srcleetcodeMedium
4寻找两个正序数组的中位数srcleetcodeHard
5最长回文子串srcleetcodeMedium
6Z 字形变换srcleetcodeMedium
7整数反转srcleetcodeMedium
8字符串转换整数 (atoi)srcleetcodeMedium
9回文数srcleetcodeEasy
11盛最多水的容器srcleetcodeMedium
12整数转罗马数字srcleetcodeMedium
13罗马数字转整数srcleetcodeEasy
14最长公共前缀srcleetcodeEasy
15三数之和srcleetcodeMedium
16最接近的三数之和srcleetcodeMedium
17电话号码的字母组合srcleetcodeMedium
18四数之和srcleetcodeMedium
19删除链表的倒数第 N 个结点srcleetcodeMedium
20有效的括号srcleetcodeEasy
21合并两个有序链表srcleetcodeEasy
22括号生成srcleetcodeMedium
23合并K个升序链表srcleetcodeHard
24两两交换链表中的节点srcleetcodeMedium
25K 个一组翻转链表srcleetcodeHard
26删除有序数组中的重复项srcleetcodeEasy
27移除元素srcleetcodeEasy
28实现 strStr()srcleetcodeEasy
29两数相除srcleetcodeMedium
30串联所有单词的子串srcleetcodeHard
31下一个排列srcleetcodeMedium
32最长有效括号srcleetcodeHard
33搜索旋转排序数组srcleetcodeMedium
34在排序数组中查找元素的第一个和最后一个位置srcleetcodeMedium
35搜索插入位置srcleetcodeEasy
36有效的数独srcleetcodeMedium
37解数独srcleetcodeHard
37解数独srcleetcodeHard
38外观数列srcleetcodeMedium
39组合总和srcleetcodeMedium
41缺失的第一个正数srcleetcodeHard
42接雨水srcleetcodeHard
42接雨水srcleetcodeHard
43字符串相乘srcleetcodeMedium
45跳跃游戏 IIsrcleetcodeMedium
46全排列srcleetcodeMedium
48旋转图像srcleetcodeMedium
49字母异位词分组srcleetcodeMedium
50Pow(x, n)srcleetcodeMedium
51N 皇后srcleetcodeHard
52N皇后 IIsrcleetcodeHard
53最大子数组和srcleetcodeEasy
54螺旋矩阵srcleetcodeMedium
55跳跃游戏srcleetcodeMedium
56合并区间srcleetcodeMedium
57插入区间srcleetcodeMedium
58最后一个单词的长度srcleetcodeEasy
62不同路径srcleetcodeMedium
63不同路径 IIsrcleetcodeMedium
64最小路径和srcleetcodeMedium
66加一srcleetcodeEasy
67二进制求和srcleetcodeEasy
69x 的平方根srcleetcodeEasy
70爬楼梯srcleetcodeEasy
71简化路径srcleetcodeMedium
72编辑距离srcleetcodeHard
73矩阵置零srcleetcodeMedium
74搜索二维矩阵srcleetcodeMedium
75颜色分类srcleetcodeMedium
77组合srcleetcodeMedium
78子集srcleetcodeMedium
79单词搜索srcleetcodeMedium
80删除有序数组中的重复项 IIsrcleetcodeMedium
81搜索旋转排序数组 IIsrcleetcodeMedium
82删除排序链表中的重复元素 IIsrcleetcodeMedium
83删除排序链表中的重复元素srcleetcodeEasy
84柱状图中最大的矩形srcleetcodeHard
85最大矩形srcleetcodeHard
86分隔链表srcleetcodeMedium
87扰乱字符串srcleetcodeHard
88合并两个有序数组srcleetcodeEasy
89格雷编码srcleetcodeMedium
91解码方法srcleetcodeMedium
93复原 IP 地址srcleetcodeMedium
94二叉树的中序遍历srcleetcodeEasy
95不同的二叉搜索树 IIsrcleetcodeMedium
96不同的二叉搜索树srcleetcodeMedium
98验证二叉搜索树srcleetcodeMedium
100相同的树srcleetcodeEasy
101对称二叉树srcleetcodeEasy
102二叉树的层序遍历srcleetcodeMedium
103二叉树的锯齿形层序遍历srcleetcodeMedium
104二叉树的最大深度srcleetcodeEasy
105从前序与中序遍历序列构造二叉树srcleetcodeMedium
106从中序与后序遍历序列构造二叉树srcleetcodeMedium
107二叉树的层序遍历 IIsrcleetcodeMedium
108将有序数组转换为二叉搜索树srcleetcodeEasy
110平衡二叉树srcleetcodeEasy
111二叉树的最小深度srcleetcodeEasy
112路径总和srcleetcodeEasy
113路径总和 IIsrcleetcodeMedium
118杨辉三角srcleetcodeEasy
119杨辉三角 IIsrcleetcodeEasy
120三角形最小路径和srcleetcodeMedium
121买卖股票的最佳时机srcleetcodeEasy
122买卖股票的最佳时机 IIsrcleetcodeMedium
124二叉树中的最大路径和srcleetcodeHard
125验证回文串srcleetcodeEasy
128最长连续序列srcleetcodeMedium
129求根节点到叶节点数字之和srcleetcodeMedium
136只出现一次的数字srcleetcodeEasy
137只出现一次的数字 IIsrcleetcodeMedium
139单词拆分srcleetcodeMedium
143重排链表srcleetcodeMedium
144二叉树的前序遍历srcleetcodeEasy
145二叉树的后序遍历srcleetcodeEasy
146LRU 缓存srcleetcodeMedium
148排序链表srcleetcodeMedium
150逆波兰表达式求值srcleetcodeMedium
151颠倒字符串中的单词srcleetcodeMedium
152乘积最大子数组srcleetcodeMedium
153寻找旋转排序数组中的最小值srcleetcodeMedium
154寻找旋转排序数组中的最小值 IIsrcleetcodeHard
155最小栈srcleetcodeMedium
162寻找峰值srcleetcodeMedium
164最大间距srcleetcodeMedium
165比较版本号srcleetcodeMedium
166分数到小数srcleetcodeMedium
167两数之和 II - 输入有序数组srcleetcodeMedium
168Excel表列名称srcleetcodeEasy
169多数元素srcleetcodeEasy
171Excel 表列序号srcleetcodeEasy
172阶乘后的零srcleetcodeMedium
173二叉搜索树迭代器srcleetcodeMedium
187重复的DNA序列srcleetcodeMedium
190颠倒二进制位srcleetcodeEasy
191位1的个数srcleetcodeEasy
198打家劫舍srcleetcodeMedium
199二叉树的右视图srcleetcodeMedium
200岛屿数量srcleetcodeMedium
201数字范围按位与srcleetcodeMedium
202快乐数srcleetcodeEasy
203移除链表元素srcleetcodeEasy
204计数质数srcleetcodeMedium
205同构字符串srcleetcodeEasy
206反转链表srcleetcodeEasy
207课程表srcleetcodeMedium
208实现 Trie (前缀树)srcleetcodeMedium
211添加与搜索单词 - 数据结构设计srcleetcodeMedium
213打家劫舍 IIsrcleetcodeMedium
215数组中的第K个最大元素srcleetcodeMedium
216组合总和 IIIsrcleetcodeMedium
217存在重复元素srcleetcodeEasy
219存在重复元素 IIsrcleetcodeEasy
222完全二叉树的节点个数srcleetcodeMedium
223矩形面积srcleetcodeMedium
225用队列实现栈srcleetcodeEasy
226翻转二叉树srcleetcodeEasy
228汇总区间srcleetcodeEasy
229多数元素 IIsrcleetcodeMedium
230二叉搜索树中第K小的元素srcleetcodeMedium
2312 的幂srcleetcodeEasy
232用栈实现队列srcleetcodeEasy
234回文链表srcleetcodeEasy
235二叉搜索树的最近公共祖先srcleetcodeEasy
236二叉树的最近公共祖先srcleetcodeMedium
238除自身以外数组的乘积srcleetcodeMedium
239滑动窗口最大值srcleetcodeHard
240搜索二维矩阵 IIsrcleetcodeMedium
242有效的字母异位词srcleetcodeEasy
257二叉树的所有路径srcleetcodeEasy
258各位相加srcleetcodeEasy
260只出现一次的数字 IIIsrcleetcodeMedium
263丑数srcleetcodeEasy
268丢失的数字srcleetcodeEasy
274H 指数srcleetcodeMedium
275H 指数 IIsrcleetcodeMedium
278第一个错误的版本srcleetcodeEasy
279完全平方数srcleetcodeMedium
283移动零srcleetcodeEasy
287寻找重复数srcleetcodeMedium
290单词规律srcleetcodeEasy
292Nim 游戏srcleetcodeEasy
297二叉树的序列化与反序列化srcleetcodeHard
299猜数字游戏srcleetcodeMedium
300最长递增子序列srcleetcodeMedium
303区域和检索 - 数组不可变srcleetcodeEasy
307区域和检索 - 数组可修改srcleetcodeMedium
309最佳买卖股票时机含冷冻期srcleetcodeMedium
318最大单词长度乘积srcleetcodeMedium
319灯泡开关srcleetcodeMedium
322零钱兑换srcleetcodeMedium
3263 的幂srcleetcodeEasy
331验证二叉树的前序序列化srcleetcodeMedium
334递增的三元子序列srcleetcodeMedium
337打家劫舍 IIIsrcleetcodeMedium
338比特位计数srcleetcodeEasy
344反转字符串srcleetcodeEasy
345反转字符串中的元音字母srcleetcodeEasy
347前 K 个高频元素srcleetcodeMedium
349两个数组的交集srcleetcodeEasy
350两个数组的交集 IIsrcleetcodeEasy
355设计推特srcleetcodeMedium
357统计各位数字都不同的数字个数srcleetcodeMedium
365水壶问题srcleetcodeMedium
367有效的完全平方数srcleetcodeEasy
371两整数之和srcleetcodeMedium
374猜数字大小srcleetcodeEasy
376摆动序列srcleetcodeMedium
377组合总和 ⅣsrcleetcodeMedium
378有序矩阵中第 K 小的元素srcleetcodeMedium
380O(1) 时间插入、删除和获取随机元素srcleetcodeMedium
381O(1) 时间插入、删除和获取随机元素 - 允许重复srcleetcodeHard
382链表随机节点srcleetcodeMedium
383赎金信srcleetcodeEasy
384打乱数组srcleetcodeMedium
386字典序排数srcleetcodeMedium
387字符串中的第一个唯一字符srcleetcodeEasy
389找不同srcleetcodeEasy
390消除游戏srcleetcodeMedium
392判断子序列srcleetcodeEasy
393UTF-8 编码验证srcleetcodeMedium
397整数替换srcleetcodeMedium
398随机数索引srcleetcodeMedium
400第 N 位数字srcleetcodeMedium
401二进制手表srcleetcodeEasy
404左叶子之和srcleetcodeEasy
406根据身高重建队列srcleetcodeMedium
409最长回文串srcleetcodeEasy
412Fizz BuzzsrcleetcodeEasy
413等差数列划分srcleetcodeMedium
414第三大的数srcleetcodeEasy
415字符串相加srcleetcodeEasy
419甲板上的战舰srcleetcodeMedium
423从英文中重建数字srcleetcodeMedium
434字符串中的单词数srcleetcodeEasy
437路径总和 IIIsrcleetcodeMedium
438找到字符串中所有字母异位词srcleetcodeMedium
442数组中重复的数据srcleetcodeMedium
445两数相加 IIsrcleetcodeMedium
447回旋镖的数量srcleetcodeMedium
448找到所有数组中消失的数字srcleetcodeEasy
449序列化和反序列化二叉搜索树srcleetcodeMedium
460LFU 缓存srcleetcodeHard
461汉明距离srcleetcodeEasy
476数字的补数srcleetcodeEasy
481神奇字符串srcleetcodeMedium
485最大连续 1 的个数srcleetcodeEasy
486预测赢家srcleetcodeMedium
489第 K 条最小指令srcleetcodeHard
494目标和srcleetcodeMedium
494目标和srcleetcodeMedium
500键盘行srcleetcodeEasy
504七进制数srcleetcodeEasy
507完美数srcleetcodeEasy
508出现次数最多的子树元素和srcleetcodeMedium
513找树左下角的值srcleetcodeMedium
515在每个树行中找最大值srcleetcodeMedium
516最长回文子序列srcleetcodeMedium
518零钱兑换 IIsrcleetcodeMedium
520检测大写字母srcleetcodeEasy
521最长特殊序列 ⅠsrcleetcodeEasy
528交换链表中的节点srcleetcodeMedium
530二叉搜索树的最小绝对差srcleetcodeEasy
535TinyURL 的加密与解密srcleetcodeMedium
538把二叉搜索树转换为累加树srcleetcodeMedium
541反转字符串 IIsrcleetcodeEasy
543二叉树的直径srcleetcodeEasy
551学生出勤记录 IsrcleetcodeEasy
560和为 K 的子数组srcleetcodeMedium
565数组嵌套srcleetcodeMedium
572另一棵树的子树srcleetcodeEasy
575分糖果srcleetcodeEasy
581最短无序连续子数组srcleetcodeMedium
594最长和谐子序列srcleetcodeEasy
599两个列表的最小索引总和srcleetcodeEasy
605种花问题srcleetcodeEasy
617合并二叉树srcleetcodeEasy
621任务调度器srcleetcodeMedium
623在二叉树中增加一行srcleetcodeMedium
628三个数的最大乘积srcleetcodeEasy
637二叉树的层平均值srcleetcodeEasy
643子数组最大平均数 IsrcleetcodeEasy
647回文子串srcleetcodeMedium
649Dota2 参议院srcleetcodeMedium
650只有两个键的键盘srcleetcodeMedium
653两数之和 IV - 输入 BSTsrcleetcodeEasy
657机器人能否返回原点srcleetcodeEasy
658找到 K 个最接近的元素srcleetcodeMedium
670最大交换srcleetcodeMedium
674最长连续递增序列srcleetcodeEasy
676实现一个魔法字典srcleetcodeMedium
682棒球比赛srcleetcodeEasy
718最长重复子数组srcleetcodeMedium
722删除注释srcleetcodeMedium
724寻找数组的中心下标srcleetcodeEasy
739每日温度srcleetcodeMedium
742转换成小写字母srcleetcodeEasy
747使用最小花费爬楼梯srcleetcodeEasy
782宝石与石头srcleetcodeEasy
783二叉搜索树中的搜索srcleetcodeEasy
784二叉搜索树中的插入操作srcleetcodeMedium
799二叉搜索树节点最小距离srcleetcodeEasy
800字母大小写全排列srcleetcodeMedium
816设计哈希集合srcleetcodeEasy
817设计哈希映射srcleetcodeEasy
825保持城市天际线srcleetcodeMedium
829子域名访问计数srcleetcodeMedium
834模糊坐标srcleetcodeMedium
835链表组件srcleetcodeMedium
839单词的压缩编码srcleetcodeMedium
842翻转卡片游戏srcleetcodeMedium
853安排工作以达到最大收益srcleetcodeMedium
857较大分组的位置srcleetcodeEasy
860设计循环队列srcleetcodeMedium
861翻转图像srcleetcodeEasy
862字符串中的查找与替换srcleetcodeMedium
868推多米诺srcleetcodeMedium
879到最近的人的最大距离srcleetcodeMedium
890柠檬水找零srcleetcodeEasy
903用 Rand7() 实现 Rand10()srcleetcodeMedium
904叶子相似的树srcleetcodeEasy
905最长的斐波那契子序列的长度srcleetcodeMedium
906模拟行走机器人srcleetcodeMedium
908链表的中间结点srcleetcodeEasy
917救生艇srcleetcodeMedium
921螺旋矩阵 IIIsrcleetcodeMedium
924公平的糖果交换srcleetcodeEasy
925根据前序和后序遍历构造二叉树srcleetcodeMedium
928三维形体的表面积srcleetcodeEasy
930所有可能的真二叉树srcleetcodeMedium
930所有可能的真二叉树srcleetcodeMedium
930所有可能的真二叉树srcleetcodeMedium
932单调数列srcleetcodeEasy
936RLE 迭代器srcleetcodeMedium
937股票价格跨度srcleetcodeMedium
947在线选举srcleetcodeMedium
950卡牌分组srcleetcodeEasy
953仅仅反转字母srcleetcodeEasy
954环形子数组的最大和srcleetcodeMedium
966和相同的二元子数组srcleetcodeMedium
967下降路径最小和srcleetcodeMedium
975二叉搜索树的范围和srcleetcodeEasy
977不同的子序列 IIsrcleetcodeHard
979增减字符串匹配srcleetcodeEasy
981删列造序srcleetcodeEasy
982使数组唯一的最小增量srcleetcodeMedium
983验证栈序列srcleetcodeMedium
1002最大宽度坡srcleetcodeMedium
1005单值二叉树srcleetcodeEasy
1007连续差相同的数字srcleetcodeMedium
1010强整数srcleetcodeMedium
1019有序数组的平方srcleetcodeEasy
1021在二叉树中分配硬币srcleetcodeMedium
1035二叉树的堂兄弟节点srcleetcodeEasy
1036腐烂的橘子srcleetcodeMedium
1039找到小镇的法官srcleetcodeEasy
1041可以被一步捕获的棋子数srcleetcodeEasy
1045检查替换后的词是否有效srcleetcodeMedium
1046最大连续1的个数 IIIsrcleetcodeMedium
1050前序遍历构造二叉搜索树srcleetcodeMedium
1054十进制整数的反码srcleetcodeEasy
1063最佳观光组合srcleetcodeMedium
1070负二进制转换srcleetcodeMedium
1072链表中的下一个更大节点srcleetcodeMedium
1079从根到叶的二进制数之和srcleetcodeEasy
1092节点与其祖先之间的最大差值srcleetcodeMedium
1114从二叉搜索树到更大和树srcleetcodeMedium
1119困于环中的机器人srcleetcodeMedium
1128删除字符串中的所有相邻重复项srcleetcodeEasy
1138爱生气的书店老板srcleetcodeMedium
1146字符串的最大公因子srcleetcodeEasy
1156Bigram 分词srcleetcodeEasy
1157根到叶路径上的不足节点srcleetcodeMedium
1168复写零srcleetcodeEasy
1184拼车srcleetcodeMedium
1195分糖果 IIsrcleetcodeEasy
1195分糖果 IIsrcleetcodeEasy
1210删除某些元素后的数组均值srcleetcodeEasy
1218最深叶节点的最近公共祖先srcleetcodeMedium
1230绝对值表达式的最大值srcleetcodeMedium
1236第 N 个泰波那契数srcleetcodeEasy
1238字母板上的路径srcleetcodeMedium
1249快照数组srcleetcodeMedium
1253将矩阵按对角线排序srcleetcodeMedium
1260一年中的第几天srcleetcodeEasy
1263掷骰子等于目标和的方法数srcleetcodeMedium
1264可以输入的最大单词数srcleetcodeEasy
1273比较字符串最小字母出现频次srcleetcodeMedium
1287公交站间的距离srcleetcodeEasy
1289一周中的第几天srcleetcodeEasy
1293存在连续三个奇数的数组srcleetcodeEasy
1295收集足够苹果的最小花园周长srcleetcodeMedium
1297“气球” 的最大数量srcleetcodeEasy
1303得到目标值的最少行动次数srcleetcodeMedium
1306最小绝对差srcleetcodeEasy
1310给植物浇水srcleetcodeMedium
1310给植物浇水srcleetcodeMedium
1319独一无二的出现次数srcleetcodeEasy
1320删除字符串中的所有相邻重复项 IIsrcleetcodeMedium
1329玩筹码srcleetcodeEasy
1341分割平衡字符串srcleetcodeEasy
1342可以攻击国王的皇后srcleetcodeMedium
1353移除字母异位词后的结果数组srcleetcodeEasy
1354找出输掉零场或一场比赛的玩家srcleetcodeMedium
1358找出给定方程的正整数解srcleetcodeMedium
1362飞机座位分配概率srcleetcodeMedium
1363兼具大小写的最好英文字母srcleetcodeEasy
1364同积元组srcleetcodeMedium
1369交换字符使得字符串相同srcleetcodeMedium
1370统计「优美子数组」srcleetcodeMedium
1371移除无效的括号srcleetcodeMedium
1378奇数值单元格的数目srcleetcodeEasy
1379重构 2 行二进制矩阵srcleetcodeMedium
1380统计封闭岛屿的数目srcleetcodeMedium
1387在受污染的二叉树中查找元素srcleetcodeMedium
1394网格中的最小路径代价srcleetcodeMedium
1395访问所有点的最小时间srcleetcodeEasy
1396统计参与通信的服务器srcleetcodeMedium
1396统计参与通信的服务器srcleetcodeMedium
1400找出井字棋的获胜者srcleetcodeEasy
1401不浪费原料的汉堡制作方案srcleetcodeMedium
1406整数的各位积和之差srcleetcodeEasy
1411二进制链表转整数srcleetcodeEasy
1426和为零的 N 个不同整数srcleetcodeEasy
1427两棵二叉搜索树中的所有元素srcleetcodeMedium
1428跳跃游戏 IIIsrcleetcodeMedium
1434解码字母到整数映射srcleetcodeEasy
1441或运算的最小翻转次数srcleetcodeMedium
1450删除给定值的叶子节点srcleetcodeMedium
1455餐厅过滤器srcleetcodeMedium
1458根据数字二进制下 1 的数目排序srcleetcodeEasy
1468检查整数及其两倍数是否存在srcleetcodeEasy
1472上升下降字符串srcleetcodeEasy
1482有多少小于当前数字的数字srcleetcodeEasy
1484二叉树中的链表srcleetcodeMedium
1488将整数按权重排序srcleetcodeMedium
1490生成每种字符都是奇数个的字符串srcleetcodeEasy
1491二进制字符串前缀一致的次数srcleetcodeMedium
1501圆和矩形是否有重叠srcleetcodeMedium
1503做菜顺序srcleetcodeHard
1505按既定顺序创建目标数组srcleetcodeEasy
1512设计地铁系统srcleetcodeMedium
1526HTML 实体解析器srcleetcodeMedium
1537分割字符串的最大得分srcleetcodeEasy
1538可获得的最大点数srcleetcodeMedium
1544统计二叉树中好节点的数目srcleetcodeMedium
1552用栈操作构建数组srcleetcodeEasy
1566检查单词是否为句中其他单词的前缀srcleetcodeEasy
1567定长子串中元音的最大数目srcleetcodeMedium
1568二叉树中的伪回文路径srcleetcodeMedium
1575切割后面积最大的蛋糕srcleetcodeMedium
1576重新规划路线srcleetcodeMedium
1584去掉最低工资和最高工资后的工资平均值srcleetcodeEasy
1603一维数组的动态和srcleetcodeEasy
1604不同整数的最少数目srcleetcodeMedium
1620检查数组对是否可以被 k 整除srcleetcodeMedium
1630在区间范围内统计奇数数目srcleetcodeEasy
1635好数对的数目srcleetcodeEasy
1636仅含 1 的子串数srcleetcodeMedium
1642换酒问题srcleetcodeEasy
1656统计好三元组srcleetcodeEasy
1660千位分隔数srcleetcodeEasy
1666整理字符串srcleetcodeEasy
1677矩阵对角线元素的和srcleetcodeEasy
1689重复至少 K 次且长度为 M 的模式srcleetcodeEasy
1722王位继承顺序srcleetcodeMedium
1755拆炸弹srcleetcodeEasy
1764最大重复子字符串srcleetcodeEasy
1767设计前中后队列srcleetcodeMedium
1777确定两个字符串是否接近srcleetcodeMedium
1782具有给定数值的最小字符串srcleetcodeMedium
1788石子游戏 VIsrcleetcodeMedium
1791最富有客户的资产总量srcleetcodeEasy
1797设计 Goal 解析器srcleetcodeEasy
1806比赛中的配对次数srcleetcodeEasy
1807十-二进制数的最少数目srcleetcodeMedium
1814跳跃游戏 VIsrcleetcodeMedium
1817计算力扣银行的钱srcleetcodeEasy
1829卡车上的最大单元数srcleetcodeEasy
1833找到最高海拔srcleetcodeEasy
1844盒子中小球的最大数量srcleetcodeEasy
1849任意子数组和的绝对值的最大值srcleetcodeMedium
1858替换隐藏数字得到的最晚时间srcleetcodeEasy
1884生成交替二进制字符串的最少操作数srcleetcodeEasy
1894交替合并字符串srcleetcodeEasy
1899统计匹配检索规则的物品数量srcleetcodeEasy
1905设计一个验证系统srcleetcodeMedium
1927最大升序子数组和srcleetcodeEasy
1929有界数组中指定下标处的最大值srcleetcodeMedium
1938最少操作使数组递增srcleetcodeEasy
1940每个查询的最大异或值srcleetcodeMedium
1952最少侧跳次数srcleetcodeMedium
1960判断句子是否为全字母句srcleetcodeEasy
1965K 进制表示下的各位数字总和srcleetcodeEasy
1971增长的内存泄露srcleetcodeMedium
1983人口最多的年份srcleetcodeEasy
1995找出和为指定值的下标对srcleetcodeMedium
2011插入后的最大值srcleetcodeMedium
2022最大子序列交替和srcleetcodeMedium
2032字符串中的最大奇数srcleetcodeEasy
2049消灭怪物的最大数量srcleetcodeMedium
2053检查是否所有字符出现次数相同srcleetcodeEasy
2084你可以工作的最大周数srcleetcodeMedium
2094移除石子使总数最小srcleetcodeMedium
2104树上的操作srcleetcodeMedium
2117从双倍数组中还原原数组srcleetcodeMedium
2128反转单词前缀srcleetcodeEasy
2155找出缺失的观测数据srcleetcodeMedium
2159至少在两个数组中出现的值srcleetcodeEasy
2161股票价格波动srcleetcodeMedium
2168检查句子中的数字是否递增srcleetcodeEasy
2169简易银行系统srcleetcodeMedium
2177检查两个字符串是否几乎相等srcleetcodeEasy
2182找出临界点之间的最小和最大距离srcleetcodeMedium
2190统计出现过一次的公共字符串srcleetcodeEasy
2195买票需要的时间srcleetcodeEasy
2210找出数组排序后的目标下标srcleetcodeEasy
2215找出 3 位偶数srcleetcodeEasy
2226环和杆srcleetcodeEasy
2228给植物浇水 IIsrcleetcodeMedium
2233股票平滑下跌阶段的数目srcleetcodeMedium
2235将标题首字母大写srcleetcodeEasy
2235将标题首字母大写srcleetcodeEasy
2243检查是否所有 A 都在 B 之前srcleetcodeEasy
2261分组得分最高的所有下标srcleetcodeMedium
2269元素计数srcleetcodeEasy
2279拆分成最多数目的正偶数之和srcleetcodeMedium
2285设计位集srcleetcodeMedium
2290拿出最少数目的魔法豆srcleetcodeMedium
2292统计包含给定前缀的字符串srcleetcodeEasy
2299合并零之间的节点srcleetcodeMedium
2300构造限制重复的字符串srcleetcodeMedium
2309字符串中最多数目的子序列srcleetcodeMedium
2310将数组和减半的最少操作次数srcleetcodeMedium
2320找出数组中的所有 K 近邻下标srcleetcodeEasy
2328向表达式添加括号后的最小结果srcleetcodeMedium
2332统计圆内格点数目srcleetcodeMedium
2346字符串中最大的 3 位相同数字srcleetcodeEasy
2351买钢笔和铅笔的方案数srcleetcodeMedium
2362完成所有任务需要的最少轮数srcleetcodeMedium
2373价格减免srcleetcodeMedium
2378最多单词数的发件人srcleetcodeMedium
2384判断根结点是否等于子结点之和srcleetcodeEasy
2386极大极小游戏srcleetcodeEasy
2392咒语和药水的成功对数srcleetcodeMedium
2413无限集中的最小数字srcleetcodeMedium
2414移动片段得到字符串srcleetcodeMedium
2442算术三元组的数目srcleetcodeEasy
2443检查数组是否存在有效划分srcleetcodeMedium
2461感染二叉树需要的总时间srcleetcodeMedium
2463得到 K 个黑块的最少涂色次数srcleetcodeEasy
2470从字符串中移除星号srcleetcodeMedium
2473数位和相等数对的最大和srcleetcodeMedium
2482被列覆盖的最多行数srcleetcodeMedium
2493反转二叉树的奇数层srcleetcodeMedium
2507公因子的数目srcleetcodeEasy
2509最小异或srcleetcodeMedium
2518处理用时最长的那个任务的员工srcleetcodeEasy
2519找出前缀异或的原始数组srcleetcodeMedium
2547差值数组不同的字符串srcleetcodeEasy
2551对数组执行操作srcleetcodeEasy
2566数组中不等三元组的数目srcleetcodeEasy
2567二叉搜索树最近节点查询srcleetcodeMedium
2571找出中枢整数srcleetcodeEasy
2573从链表中移除节点srcleetcodeMedium
2575分割圆的最少切割次数srcleetcodeEasy
2580回环句srcleetcodeEasy
2585删除每行中的最大值srcleetcodeEasy
2589数组中字符串的最大值srcleetcodeEasy
2602最多可以摧毁的敌人城堡数目srcleetcodeEasy
2603奖励最顶尖的 K 名学生srcleetcodeMedium
2608统计能整除数字的位数srcleetcodeEasy
2614正整数和负整数的最大计数srcleetcodeEasy
2616执行 K 次操作后的最大分数srcleetcodeMedium
2619根据规则将箱子分类srcleetcodeEasy
2621查询数组异或美丽值srcleetcodeMedium
2624数组元素和与数字和的绝对差srcleetcodeEasy
2625子矩阵元素加 1srcleetcodeMedium
2630交替数字和srcleetcodeEasy
2645递枕头srcleetcodeEasy
2646二叉树中的第 K 大层和srcleetcodeMedium
2650最小和分割srcleetcodeEasy
2651统计将重叠区间合并成组的方案数srcleetcodeMedium
2654统计范围内的元音字符串数srcleetcodeEasy
2662检查骑士巡视方案srcleetcodeMedium
2663将钱分给最多的儿童srcleetcodeEasy
2668从两个数字数组里生成最小数字srcleetcodeEasy
2668从两个数字数组里生成最小数字srcleetcodeEasy
2675查询网格图中每一列的宽度srcleetcodeEasy
2676一个数组所有前缀的分数srcleetcodeMedium
2679统计桌面上的不同数字srcleetcodeEasy
2684保龄球游戏的获胜者srcleetcodeEasy
2685找出叠涂元素srcleetcodeMedium
2691统计范围内的元音字符串数srcleetcodeMedium
2692从数量最多的堆取走礼物srcleetcodeEasy
2692从数量最多的堆取走礼物srcleetcodeEasy
2694找出可整除性得分最大的整数srcleetcodeEasy
2698找出数组的串联值srcleetcodeEasy
2704替换一个数字后的最大差值srcleetcodeEasy
2707合并两个二维数组 - 求和法srcleetcodeEasy
2713找出字符串的可整除数组srcleetcodeMedium
2715K 件物品的最大和srcleetcodeEasy
2723最长平衡子字符串srcleetcodeEasy
2727老人的数目srcleetcodeEasy
2728矩阵中的和srcleetcodeMedium
2736构造有效字符串的最少插入数srcleetcodeMedium
2748计算列车到站时间srcleetcodeEasy
2752倍数求和srcleetcodeEasy
2755字符串中的额外字符srcleetcodeMedium
2756购买两块巧克力srcleetcodeEasy
2767K 个元素的最大和srcleetcodeEasy
2777找出不同元素数目差数组srcleetcodeEasy
2778频率跟踪器srcleetcodeMedium
2780使二叉树所有路径值相等的最小代价srcleetcodeMedium
2787移动机器人srcleetcodeMedium
2791找出转圈游戏输家srcleetcodeEasy
2794矩阵中移动的最大次数srcleetcodeMedium
2800删除子串后的字符串最小长度srcleetcodeEasy
2802求一个整数的惩罚数srcleetcodeMedium
2812找出最大的可达成数字srcleetcodeEasy
2816字典序最小回文串srcleetcodeEasy
2819移除字符串中的尾随零srcleetcodeEasy
2828执行子串操作后的字典序最小字符串srcleetcodeMedium
2831美丽下标对的数目srcleetcodeEasy
2838查询后矩阵的和srcleetcodeMedium
2844特殊元素平方和srcleetcodeEasy
2847最大字符串配对数目srcleetcodeEasy
2857总行驶距离srcleetcodeEasy
2866最长奇偶子数组srcleetcodeEasy
2870最长交替子数组srcleetcodeEasy
2872合并后数组中的最大元素srcleetcodeMedium
2876满足目标工作时长的员工数目srcleetcodeEasy
2881按分隔符拆分字符串srcleetcodeEasy
2886故障键盘srcleetcodeEasy
2893访问数组中的位置使分数最大srcleetcodeMedium
2917统计和小于目标的下标对数目srcleetcodeEasy
2920使循环数组所有元素相等的最少秒数srcleetcodeMedium
2954几乎唯一子数组的最大和srcleetcodeMedium
2955取整购买后的账户余额srcleetcodeEasy
2977判别首字母缩略词srcleetcodeEasy
3026找出美丽数组的最小和srcleetcodeMedium
3045使数组成为递增数组的最少右移次数srcleetcodeEasy
3046生成特殊数字的最少操作srcleetcodeMedium
3055最大二进制奇数srcleetcodeEasy
3093计算 K 置位下标对应元素的和srcleetcodeEasy
3094使数组为空的最少操作次数srcleetcodeMedium
3095最大合金数srcleetcodeMedium
3152有序三元组中的最大值 IIsrcleetcodeMedium
3165找出满足差值条件的下标 IsrcleetcodeEasy
3176元素和最小的山形三元组 IsrcleetcodeEasy
3183找出数组中的 K-or 值srcleetcodeEasy
3188找到冠军 IsrcleetcodeEasy
3189找到冠军 IIsrcleetcodeMedium
3195区分黑球与白球srcleetcodeMedium
3199给小朋友们分糖果 IsrcleetcodeEasy
3206找到两个数组中的公共元素srcleetcodeEasy
3207使三个字符串相等srcleetcodeEasy
3220统计已测试设备srcleetcodeEasy
3221找出峰值srcleetcodeEasy
3226最小数字游戏srcleetcodeEasy
3227找出缺失和重复的数字srcleetcodeEasy
3228移除后集合的最多元素数srcleetcodeMedium
3231需要添加的硬币的最小数量srcleetcodeMedium
3234双模幂运算srcleetcodeMedium
3241划分数组并满足最大差限制srcleetcodeMedium
3265最大好子数组和srcleetcodeMedium
3275输入单词需要的最少按键次数 IsrcleetcodeEasy
3320相同分数的最大操作数目 IsrcleetcodeEasy
3330修改矩阵srcleetcodeEasy
3331超过阈值的最少操作数 IsrcleetcodeEasy
3334重新分装苹果srcleetcodeEasy
3346满足距离约束且字典序最小的字符串srcleetcodeMedium
3347将元素分配到两个数组中 IsrcleetcodeEasy
3371哈沙德数srcleetcodeEasy
3373质数的最大距离srcleetcodeMedium
3374交替子数组计数srcleetcodeMedium
3388直角三角形srcleetcodeMedium
3390覆盖所有点的最少矩形数目srcleetcodeMedium
3397找出与数组相加的整数 IsrcleetcodeEasy
3412两个字符串的排列差srcleetcodeEasy
3415判断矩阵是否满足条件srcleetcodeEasy
3427特殊数组 IIsrcleetcodeMedium
3429特殊数组 IsrcleetcodeEasy
100160URL化srcleetcodeEasy
100162字符串轮转srcleetcodeEasy
100163移除重复节点srcleetcodeEasy
100188链表求和srcleetcodeMedium
100240魔术索引srcleetcodeEasy
100273用两个栈实现队列srcleetcodeEasy
100274斐波那契数列srcleetcodeEasy
100275数组中重复的数字srcleetcodeEasy
100276二维数组中的查找srcleetcodeMedium
100277青蛙跳台阶问题srcleetcodeEasy
100278旋转数组的最小数字srcleetcodeEasy
100279矩阵中的路径srcleetcodeMedium
100280替换空格srcleetcodeEasy
100281机器人的运动范围srcleetcodeMedium
100282从尾到头打印链表srcleetcodeEasy
100283重建二叉树srcleetcodeMedium
100284剪绳子srcleetcodeMedium
100285剪绳子 IIsrcleetcodeMedium
100286合并两个排序的链表srcleetcodeEasy
100287树的子结构srcleetcodeMedium
100288二叉树的镜像srcleetcodeEasy
100289对称的二叉树srcleetcodeEasy
100290表示数值的字符串srcleetcodeMedium
100291调整数组顺序使奇数位于偶数前面srcleetcodeEasy
100292二进制中1的个数srcleetcodeEasy
100293顺时针打印矩阵srcleetcodeEasy
100294链表中倒数第k个节点srcleetcodeEasy
100295数值的整数次方srcleetcodeMedium
100295数值的整数次方srcleetcodeMedium
100296打印从1到最大的n位数srcleetcodeEasy
100296打印从1到最大的n位数srcleetcodeEasy
100298反转链表srcleetcodeEasy
100299删除链表的节点srcleetcodeEasy
100301最小的k个数srcleetcodeEasy
100302包含min函数的栈srcleetcodeEasy
100303数据流中的中位数srcleetcodeHard
100304连续子数组的最大和srcleetcodeEasy
100306栈的压入、弹出序列srcleetcodeMedium
100308字符串的排列srcleetcodeMedium
100308字符串的排列srcleetcodeMedium
1003091~n 整数中 1 出现的次数srcleetcodeHard
100310数组中出现次数超过一半的数字srcleetcodeEasy
100311从上到下打印二叉树srcleetcodeMedium
100312从上到下打印二叉树 IIsrcleetcodeEasy
100313数字序列中某一位的数字srcleetcodeMedium
100314从上到下打印二叉树 IIIsrcleetcodeMedium
100315二叉搜索树的后序遍历序列srcleetcodeMedium
100316第一个只出现一次的字符srcleetcodeEasy
100317二叉树中和为某一值的路径srcleetcodeMedium
100318数组中的逆序对srcleetcodeHard
100319二叉树的深度srcleetcodeEasy
100319二叉树的深度srcleetcodeEasy
100320数组中数字出现的次数srcleetcodeMedium
100321数组中数字出现的次数 IIsrcleetcodeMedium
100322和为s的两个数字srcleetcodeEasy
100323把数组排成最小的数srcleetcodeMedium
100324和为s的连续正数序列srcleetcodeEasy
100325把数字翻译成字符串srcleetcodeMedium
100325把数字翻译成字符串srcleetcodeMedium
100327礼物的最大价值srcleetcodeMedium
100328翻转单词顺序srcleetcodeEasy
100329在排序数组中查找数字 IsrcleetcodeEasy
100330左旋转字符串srcleetcodeEasy
1003310~n-1中缺失的数字srcleetcodeEasy
100332最长不含重复字符的子字符串srcleetcodeMedium
100333二叉搜索树的第k大节点srcleetcodeEasy
100334丑数srcleetcodeMedium
100335不用加减乘除做加法srcleetcodeEasy
100337队列的最大值srcleetcodeMedium
100338构建乘积数组srcleetcodeMedium
100339n个骰子的点数srcleetcodeMedium
100340把字符串转换成整数srcleetcodeMedium
100341扑克牌中的顺子srcleetcodeEasy
100342平衡二叉树srcleetcodeEasy
100342平衡二叉树srcleetcodeEasy
100343圆圈中最后剩下的数字srcleetcodeEasy
100344股票的最大利润srcleetcodeMedium
100345求1+2+…+nsrcleetcodeMedium
100349最大数值srcleetcodeEasy
100351生存人数srcleetcodeMedium
100352跳水板srcleetcodeEasy
100353平分正方形srcleetcodeMedium
100355珠玑妙算srcleetcodeEasy
1000021最小K个数srcleetcodeMedium
1000022最长单词srcleetcodeMedium
1000025不用加号的加法srcleetcodeEasy
1000056拿硬币srcleetcodeEasy
1000063传递信息srcleetcodeEasy
1000139速算机器人srcleetcodeEasy
1000224魔塔游戏srcleetcodeMedium
1000225下载插件srcleetcodeEasy
1000228整数除法srcleetcodeEasy
1000230前 n 个数字二进制中 1 的个数srcleetcodeEasy
1000231二进制加法srcleetcodeEasy
1000233只出现一次的数字srcleetcodeMedium
1000236单词长度的最大乘积srcleetcodeMedium
1000237排序数组中两个数字之和srcleetcodeEasy
1000238括号生成srcleetcodeMedium
1000242和大于等于 target 的最短子数组srcleetcodeMedium
1000244乘积小于 K 的子数组srcleetcodeMedium
1000246和为 k 的子数组srcleetcodeMedium
10002470 和 1 个数相同的子数组srcleetcodeMedium
1000248左右两边子数组的和相等srcleetcodeEasy
1000249二维子矩阵的和srcleetcodeMedium
1000250字符串中的变位词srcleetcodeMedium
1000251字符串中的所有变位词srcleetcodeMedium
1000252不含重复字符的最长子字符串srcleetcodeMedium
1000254有效的回文srcleetcodeEasy
1000255最多删除一个字符得到回文srcleetcodeEasy
1000256回文子字符串的个数srcleetcodeMedium
1000261链表中的两数相加srcleetcodeMedium
1000262重排链表srcleetcodeMedium
1000263回文链表srcleetcodeEasy
1000270LRU 缓存srcleetcodeMedium
1000273有效的变位词srcleetcodeEasy
1000275变位词组srcleetcodeMedium
1000276外星语言是否排序srcleetcodeEasy
1000278最小时间差srcleetcodeMedium
1000279后缀表达式srcleetcodeMedium
1000281小行星碰撞srcleetcodeMedium
1000282每日温度srcleetcodeMedium
1000286三角形最小路径和srcleetcodeMedium
1000288加减的目标值srcleetcodeMedium
1000292滑动窗口的平均值srcleetcodeEasy
1000295往完全二叉树添加节点srcleetcodeMedium
1000297二叉树每层的最大值srcleetcodeMedium
1000298二叉树最底层最左边的值srcleetcodeMedium
1000299二叉树的右侧视图srcleetcodeMedium
1000301二叉树剪枝srcleetcodeMedium
1000306从根节点到叶节点的路径数字之和srcleetcodeMedium
1000307向下的路径节点之和srcleetcodeMedium
1000311展平二叉搜索树srcleetcodeEasy
1000319二叉搜索树中两个节点之和srcleetcodeEasy
1000321值和下标之差都在给定的范围内srcleetcodeMedium
1000324前 K 个高频元素srcleetcodeMedium
1000333山峰数组的顶部srcleetcodeEasy
1000341链表排序srcleetcodeMedium
1000368心算挑战srcleetcodeEasy
1000433宝石补给srcleetcodeEasy
1000476气温变化趋势srcleetcodeEasy
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