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IT枫斗者约 1579 字大约 5 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
1165比较版本号open in new window38.6%中等30.761
217电话号码的字母组合open in new window52.4%中等30.19
34寻找两个有序数组的中位数open in new window36.7%困难20.12
472编辑距离open in new window56.1%困难20.34
5202快乐数open in new window57.1%简单20.297
6206反转链表open in new window66.9%简单20.082
71两数之和open in new window47.5%简单20.021
8468验证IP地址open in new window21.5%中等20.965
93无重复字符的最长子串open in new window32.8%中等20.038
1021合并两个有序链表open in new window59.5%简单20.054
1198验证二叉搜索树open in new window28.8%中等10.097
12121买卖股票的最佳时机open in new window52.3%简单10.06
135最长回文子串open in new window28.4%中等10.045
14665非递减数列open in new window21.5%简单10.243
15155最小栈open in new window51.4%简单10.07
16146LRU缓存机制open in new window45.4%中等10.138
1788合并两个有序数组open in new window46.5%简单10.051
18148排序链表open in new window63.7%中等10.125
19300最长上升子序列open in new window43.9%中等10.075
20450删除二叉搜索树中的节点open in new window37.8%中等10.295
21746使用最小花费爬楼梯open in new window46.5%简单10.149
22236二叉树的最近公共祖先open in new window59.7%中等10.078
23215数组中的第K个最大元素open in new window60.9%中等10.051
2433搜索旋转排序数组open in new window36.3%中等10.047
251027最长等差数列open in new window40.2%中等10.669
261046最后一块石头的重量open in new window58.9%简单10.24
2711盛最多水的容器open in new window61.1%中等10.027
2856合并区间open in new window40.2%中等10.061
297整数反转open in new window33.6%简单10.017
3020有效的括号open in new window40.8%简单10.01
3162不同路径open in new window58.7%中等10.023
3270爬楼梯open in new window47.8%简单10.014
33104二叉树的最大深度open in new window72.1%简单10.016
34136只出现一次的数字open in new window65.1%简单10.017
35139单词拆分open in new window43.1%中等10.044
36239滑动窗口最大值open in new window43.7%困难10.06
37516最长回文子序列open in new window49.9%中等10.127
38724寻找数组的中心索引open in new window36.1%简单10.065
3953最大子序和open in new window49.0%简单10.013
40378有序矩阵中第K小的元素open in new window57.9%中等10.112
41384打乱数组open in new window49.3%中等10.13
42491递增子序列open in new window45.1%中等10.291
43543二叉树的直径open in new window47.0%简单10.057
4446全排列open in new window73.9%中等10.024
45590N叉树的后序遍历open in new window72.0%简单10.107
46560和为K的子数组open in new window43.5%中等10.091
47123买卖股票的最佳时机 IIIopen in new window40.9%困难10.065
4859螺旋矩阵 IIopen in new window76.5%中等10.059
49668乘法表中第k小的数open in new window44.8%困难10.591
50459重复的子字符串open in new window45.2%简单10.123
51162寻找峰值open in new window44.3%中等10.061
52329矩阵中的最长递增路径open in new window39.6%困难10.153
53112路径总和open in new window48.9%简单10.031
5436有效的数独open in new window58.2%中等10.038
55204计数质数open in new window32.1%简单10.047
566Z 字形变换open in new window46.6%中等10.021
57144二叉树的前序遍历open in new window64.0%中等10.029
58407接雨水 IIopen in new window34.4%困难10.412
591049最后一块石头的重量 IIopen in new window39.7%中等10.503
60322零钱兑换open in new window37.4%中等10.041
6165有效数字open in new window17.9%困难10.158
6241缺失的第一个正数open in new window37.5%困难10.049
63149直线上最多的点数open in new window20.4%困难10.169
64784字母大小写全排列open in new window62.4%简单10.134
6554螺旋矩阵open in new window38.5%中等10.039
6692反转链表 IIopen in new window48.9%中等10.047
6714最长公共前缀open in new window36.1%简单10.012
6829两数相除open in new window19.2%中等10.04
6934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
70100相同的树open in new window56.4%简单10.026
71134加油站open in new window50.8%中等10.067
72235二叉搜索树的最近公共祖先open in new window62.1%简单10.048
73315计算右侧小于当前元素的个数open in new window37.2%困难10.123
74722删除注释open in new window27.1%中等10.481
75470用 Rand7() 实现 Rand10()open in new window44.9%中等10.31
7678子集open in new window76.3%中等10.029
772两数相加open in new window36.6%中等10.007
7842接雨水open in new window48.4%困难10.031
79409最长回文串open in new window51.8%简单10.099
80141环形链表open in new window46.1%简单10.018
81138复制带随机指针的链表open in new window43.6%中等10.074
82160相交链表open in new window52.1%简单10.024