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IT枫斗者约 2440 字大约 8 分钟

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序号编号题目通过率难度出题指数出现频率
11两数之和open in new window47.5%简单40.099
24寻找两个有序数组的中位数open in new window36.7%困难30.228
3206反转链表open in new window66.9%简单30.17
45最长回文子串open in new window28.4%中等30.12
52两数相加open in new window36.6%中等20.055
653最大子序和open in new window49.0%简单20.096
73无重复字符的最长子串open in new window32.8%中等20.06
8215数组中的第K个最大元素open in new window60.9%中等20.147
9146LRU缓存机制open in new window45.4%中等20.221
1020有效的括号open in new window40.8%简单20.047
1154螺旋矩阵open in new window38.5%中等20.181
1233搜索旋转排序数组open in new window36.3%中等20.114
13364加权嵌套序列和 IIopen in new window68.3%中等22.049
14141环形链表open in new window46.1%简单20.085
1519删除链表的倒数第N个节点open in new window37.4%中等10.061
1621合并两个有序链表open in new window59.5%简单10.043
1746全排列open in new window73.9%中等10.094
1815三数之和open in new window25.4%中等10.05
19226翻转二叉树open in new window73.7%简单10.109
2088合并两个有序数组open in new window46.5%简单10.068
21121买卖股票的最佳时机open in new window52.3%简单10.06
22200岛屿数量open in new window46.9%中等10.12
2369x 的平方根open in new window37.5%简单10.067
24101对称二叉树open in new window49.9%简单10.054
258字符串转换整数 (atoi)open in new window19.0%中等10.053
26102二叉树的层次遍历open in new window60.7%中等10.068
2739组合总和open in new window68.3%中等10.085
28283移动零open in new window59.2%简单10.065
29155最小栈open in new window51.4%简单10.07
3011盛最多水的容器open in new window61.1%中等10.027
3128实现 strStr()open in new window39.5%简单10.034
3272编辑距离open in new window56.1%困难10.096
33176第二高的薪水open in new window33.8%简单10.069
34185部门工资前三高的所有员工open in new window41.7%困难10.279
35148排序链表open in new window63.7%中等10.085
36124二叉树中的最大路径和open in new window39.2%困难10.125
37142环形链表 IIopen in new window48.2%中等10.062
3864最小路径和open in new window64.5%中等10.052
39107二叉树的层次遍历 IIopen in new window64.1%简单10.078
40232用栈实现队列open in new window62.6%简单10.086
4123合并K个排序链表open in new window48.7%困难10.056
4256合并区间open in new window40.2%中等10.061
4376最小覆盖子串open in new window35.3%困难10.118
44297二叉树的序列化与反序列化open in new window44.2%困难10.179
45410分割数组的最大值open in new window40.4%困难10.556
46442数组中重复的数据open in new window63.4%中等10.254
47402移掉K位数字open in new window27.8%中等10.24
4894二叉树的中序遍历open in new window70.0%中等10.038
4922括号生成open in new window73.2%中等10.044
5042接雨水open in new window48.4%困难10.061
51192统计词频open in new window33.6%中等10.441
52144二叉树的前序遍历open in new window64.0%中等10.058
53287寻找重复数open in new window62.8%中等10.091
549回文数open in new window57.1%简单10.011
5551N皇后open in new window67.9%困难10.062
56234回文链表open in new window40.2%简单10.029
57547朋友圈open in new window54.6%中等10.077
58714买卖股票的最佳时机含手续费open in new window61.0%中等10.109
59443压缩字符串open in new window39.1%简单10.107
60601体育馆的人流量open in new window44.5%困难10.294
61673最长递增子序列的个数open in new window33.9%中等10.229
62260只出现一次的数字 IIIopen in new window69.5%中等10.106
63445两数相加 IIopen in new window53.7%中等10.09
641114按序打印open in new window58.9%简单10.083
651111有效括号的嵌套深度open in new window66.2%中等10.602
66382链表随机节点open in new window54.6%中等10.328
6777组合open in new window72.6%中等10.056
6893复原IP地址open in new window45.6%中等10.07
69811子域名访问计数open in new window66.1%简单10.28
70128最长连续序列open in new window47.6%困难10.071
71184部门工资最高的员工open in new window43.7%中等10.094
727整数反转open in new window33.6%简单10.009
73238除自身以外数组的乘积open in new window66.0%中等10.058
74704二分查找open in new window52.4%简单10.065
75471编码最短长度的字符串open in new window50.7%困难11.466
761095山脉数组中查找目标值open in new window29.5%困难10.811
77905按奇偶排序数组open in new window68.1%简单10.084
78210课程表 IIopen in new window46.1%中等10.103
7917电话号码的字母组合open in new window52.4%中等10.021
8070爬楼梯open in new window47.8%简单10.014
8134在排序数组中查找元素的第一个和最后一个位置open in new window38.9%中等10.025
82160相交链表open in new window52.1%简单10.024
83543二叉树的直径open in new window47.0%简单10.057
84223矩形面积open in new window42.4%中等10.205
85380常数时间插入、删除和获取随机元素open in new window47.7%中等10.156
86449序列化和反序列化二叉搜索树open in new window50.6%中等10.289
87603连续空余座位open in new window66.3%简单10.527
88815公交路线open in new window30.1%困难10.525
89843猜猜这个单词open in new window33.0%困难10.991
901106解析布尔表达式open in new window53.8%困难10.714
91895最大频率栈open in new window45.6%困难10.683
92133克隆图open in new window48.7%中等10.113
93136只出现一次的数字open in new window65.1%简单10.017
94254因子的组合open in new window54.5%中等10.693
95344反转字符串open in new window68.9%简单10.023
96427建立四叉树open in new window57.0%中等10.753
97837新21点open in new window25.3%中等10.771
981239串联字符串的最大长度open in new window37.2%中等10.251
99863二叉树中所有距离为 K 的结点open in new window46.4%中等10.388
100104二叉树的最大深度open in new window72.1%简单10.016
101114二叉树展开为链表open in new window67.4%中等10.05
1021139最大的以 1 为边界的正方形open in new window40.9%中等10.698
10341缺失的第一个正数open in new window37.5%困难10.049
10473矩阵置零open in new window55.0%中等10.059
10525K 个一组翻转链表open in new window56.1%困难10.045
10644通配符匹配open in new window26.4%困难10.073
10762不同路径open in new window58.7%中等10.023
10892反转链表 IIopen in new window48.9%中等10.047
109151翻转字符串里的单词open in new window35.4%中等10.056
110518零钱兑换 IIopen in new window47.5%中等10.194
111557反转字符串中的单词 IIIopen in new window69.2%简单10.056
11284柱状图中最大的矩形open in new window38.7%困难10.051
113138复制带随机指针的链表open in new window43.6%中等10.074
114169多数元素open in new window61.5%简单10.022
115263丑数open in new window48.6%简单10.064
116304二维区域和检索 - 矩阵不可变open in new window42.3%中等10.176
117571给定数字的频率查询中位数open in new window47.2%困难11.202
118648单词替换open in new window53.8%中等10.283
119772基本计算器 IIIopen in new window31.6%困难10.991
120768最多能完成排序的块 IIopen in new window44.7%困难10.651
1211044最长重复子串open in new window15.8%困难10.452
122143重排链表open in new window54.4%中等10.084
123134加油站open in new window50.8%中等10.067
124225用队列实现栈open in new window62.1%简单10.051
12512整数转罗马数字open in new window62.5%中等10.028
126312戳气球open in new window57.5%困难10.167