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IT枫斗者约 3446 字大约 11 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40.088
23无重复字符的最长子串open in new window32.8%中等40.173
35最长回文子串open in new window28.4%中等40.241
44寻找两个有序数组的中位数open in new window36.7%困难30.238
52两数相加open in new window36.6%中等30.081
67整数反转open in new window33.6%简单30.082
772编辑距离open in new window56.1%困难20.368
8141环形链表open in new window46.1%简单20.114
915三数之和open in new window25.4%中等20.072
1033搜索旋转排序数组open in new window36.3%中等20.132
1146全排列open in new window73.9%中等20.135
1260第k个排列open in new window48.1%中等20.355
13121买卖股票的最佳时机open in new window52.3%简单20.087
1453最大子序和open in new window49.0%简单20.059
15312戳气球open in new window57.5%困难20.641
1620有效的括号open in new window40.8%简单20.047
1742接雨水open in new window48.4%困难20.145
1862不同路径open in new window58.7%中等20.108
1970爬楼梯open in new window47.8%简单20.065
20169多数元素open in new window61.5%简单20.103
2122括号生成open in new window73.2%中等10.083
2211盛最多水的容器open in new window61.1%中等10.053
239回文数open in new window57.1%简单10.031
24223矩形面积open in new window42.4%中等10.525
25394字符串解码open in new window48.4%中等10.186
2623合并K个排序链表open in new window48.7%困难10.08
2725K 个一组翻转链表open in new window56.1%困难10.128
2864最小路径和open in new window64.5%中等10.076
29146LRU缓存机制open in new window45.4%中等10.137
30147对链表进行插入排序open in new window62.5%中等10.225
31206反转链表open in new window66.9%简单10.041
32234回文链表open in new window40.2%简单10.084
33664奇怪的打印机open in new window41.7%困难11.343
34826安排工作以达到最大收益open in new window34.2%中等10.734
35386字典序排数open in new window68.0%中等10.552
3631下一个排列open in new window32.8%中等10.092
37382链表随机节点open in new window54.6%中等10.773
3821合并两个有序链表open in new window59.5%简单10.032
3919删除链表的倒数第N个节点open in new window37.4%中等10.045
40287寻找重复数open in new window62.8%中等10.131
4184柱状图中最大的矩形open in new window38.7%困难10.143
4245跳跃游戏 IIopen in new window33.0%困难10.101
43199二叉树的右视图open in new window63.0%中等10.134
44845数组中的最长山脉open in new window33.5%中等10.722
4535搜索插入位置open in new window45.1%简单10.032
4647全排列 IIopen in new window56.8%中等10.085
4756合并区间open in new window40.2%中等10.06
4894二叉树的中序遍历open in new window70.0%中等10.037
49101对称二叉树open in new window49.9%简单10.035
50142环形链表 IIopen in new window48.2%中等10.061
51167两数之和 II - 输入有序数组open in new window52.3%简单10.048
52178分数排名open in new window60.3%中等10.148
53202快乐数open in new window57.1%简单10.081
54207课程表open in new window49.1%中等10.128
55292Nim 游戏open in new window69.7%简单10.108
56300最长上升子序列open in new window43.9%中等10.073
57304二维区域和检索 - 矩阵不可变open in new window42.3%中等10.324
58650只有两个键的键盘open in new window47.2%中等10.432
59478在圆内随机生成点open in new window38.6%中等10.909
60176第二高的薪水open in new window33.8%简单10.068
61102二叉树的层次遍历open in new window60.7%中等10.045
6251N皇后open in new window67.9%困难10.117
6314最长公共前缀open in new window36.1%简单10.024
64135分发糖果open in new window41.2%困难10.205
65540有序数组中的单一元素open in new window60.0%中等10.352
668字符串转换整数 (atoi)open in new window19.0%中等10.035
6797交错字符串open in new window38.5%困难10.261
6850Pow(x, n)open in new window33.8%中等10.062
69378有序矩阵中第K小的元素open in new window57.9%中等10.21
7018四数之和open in new window37.1%中等10.063
7126删除排序数组中的重复项open in new window48.4%简单10.02
7232最长有效括号open in new window29.5%困难10.072
7375颜色分类open in new window54.5%中等10.059
74560和为K的子数组open in new window43.5%中等10.171
75200岛屿数量open in new window46.9%中等10.06
76237删除链表中的节点open in new window79.8%简单10.052
77264丑数 IIopen in new window49.3%中等10.153
78347前 K 个高频元素open in new window60.1%中等10.087
79162寻找峰值open in new window44.3%中等10.116
8054螺旋矩阵open in new window38.5%中等10.075
8155跳跃游戏open in new window38.0%中等10.054
8293复原IP地址open in new window45.6%中等10.134
83136只出现一次的数字open in new window65.1%简单10.032
84138复制带随机指针的链表open in new window43.6%中等10.14
85149直线上最多的点数open in new window20.4%困难10.309
86171Excel表列序号open in new window66.5%简单10.111
87696计数二进制子串open in new window49.8%简单10.374
88122买卖股票的最佳时机 IIopen in new window57.3%简单10.035
89137只出现一次的数字 IIopen in new window65.5%中等10.157
90440字典序的第K小数字open in new window31.2%困难10.319
91455分发饼干open in new window52.8%简单10.061
92543二叉树的直径open in new window47.0%简单10.056
9324两两交换链表中的节点open in new window64.2%中等10.022
9439组合总和open in new window68.3%中等10.028
9548旋转图像open in new window66.7%中等10.032
9698验证二叉搜索树open in new window28.8%中等10.025
9799恢复二叉搜索树open in new window54.7%困难10.136
98144二叉树的前序遍历open in new window64.0%中等10.029
99181超过经理收入的员工open in new window68.2%简单10.06
100235二叉搜索树的最近公共祖先open in new window62.1%简单10.047
101744寻找比目标字母大的最小字母open in new window44.4%简单10.131
102799香槟塔open in new window34.6%中等10.602
103844比较含退格的字符串open in new window50.0%简单10.11
104846一手顺子open in new window45.7%中等10.516
105878第 N 个神奇数字open in new window22.0%困难10.753
106198打家劫舍open in new window42.8%简单10.022
107415字符串相加open in new window49.3%简单10.07
108601体育馆的人流量open in new window44.5%困难10.283
109145二叉树的后序遍历open in new window70.0%困难10.037
110836矩形重叠open in new window45.2%简单10.244
111185部门工资前三高的所有员工open in new window41.7%困难10.147
112898子数组按位或操作open in new window26.6%中等10.638
113746使用最小花费爬楼梯open in new window46.5%简单10.075
114464我能赢吗open in new window33.3%中等10.343
115424替换后的最长重复字符open in new window45.3%中等10.237
116547朋友圈open in new window54.6%中等10.076
117239滑动窗口最大值open in new window43.7%困难10.059
1181026节点与其祖先之间的最大差值open in new window56.9%中等10.467
11978子集open in new window76.3%中等10.028
120182查找重复的电子邮箱open in new window78.0%简单10.053
12188合并两个有序数组open in new window46.5%简单10.017
12291解码方法open in new window23.0%中等10.04
123189旋转数组open in new window40.3%简单10.025
124259较小的三数之和open in new window56.4%中等10.444
12540组合总和 IIopen in new window59.9%中等10.041
12685最大矩形open in new window44.3%困难10.078
127124二叉树中的最大路径和open in new window39.2%困难10.064
128722删除注释open in new window27.1%中等10.458
129739每日温度open in new window58.1%中等10.054
130600不含连续1的非负整数open in new window29.5%困难10.669
131105从前序与中序遍历序列构造二叉树open in new window64.0%中等10.037
132160相交链表open in new window52.1%简单10.024
133283移动零open in new window59.2%简单10.022
134349两个数组的交集open in new window68.0%简单10.041
135437路径总和 IIIopen in new window53.8%简单10.061
136521最长特殊序列 Ⅰopen in new window65.8%简单10.157
137647回文子串open in new window60.5%中等10.082
138470用 Rand7() 实现 Rand10()open in new window44.9%中等10.304
139494目标和open in new window43.2%中等10.087
14010正则表达式匹配open in new window26.0%困难10.032
14128实现 strStr()open in new window39.5%简单10.017
14234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10.024
143118杨辉三角open in new window65.6%简单10.029
144128最长连续序列open in new window47.6%困难10.069
145179最大数open in new window35.2%中等10.074
146196删除重复的电子邮箱open in new window59.3%简单10.087
147226翻转二叉树open in new window73.7%简单10.028
148290单词规律open in new window41.8%简单10.09
149316去除重复字母open in new window37.0%困难10.183
150657机器人能否返回原点open in new window73.2%简单10.108
151771宝石与石头open in new window81.7%简单10.058
152905按奇偶排序数组open in new window68.1%简单10.082
1531031两个非重叠子数组的最大和open in new window49.8%中等10.638
15413罗马数字转整数open in new window60.6%简单10.015
15573矩阵置零open in new window55.0%中等10.057
15674搜索二维矩阵open in new window37.2%中等10.046
15783删除排序链表中的重复元素open in new window49.0%简单10.025
15886分隔链表open in new window55.6%中等10.054
159139单词拆分open in new window43.1%中等10.043
160188买卖股票的最佳时机 IVopen in new window28.8%困难10.102
161215数组中的第K个最大元素open in new window60.9%中等10.025
162229求众数 IIopen in new window42.6%中等10.148
163268缺失数字open in new window54.0%简单10.042
164309最佳买卖股票时机含冷冻期open in new window51.2%中等10.073
165319灯泡开关open in new window44.3%中等10.182
166341扁平化嵌套列表迭代器open in new window62.0%中等10.185
167345反转字符串中的元音字母open in new window49.0%简单10.059
168371两整数之和open in new window53.6%简单10.076
169416分割等和子集open in new window44.9%中等10.09
170485最大连续1的个数open in new window55.6%简单10.068
171516最长回文子序列open in new window49.9%中等10.125
172572另一个树的子树open in new window43.0%简单10.098
173611有效三角形的个数open in new window48.1%中等10.309
174665非递减数列open in new window21.5%简单10.085
175678有效的括号字符串open in new window29.7%中等10.286
176680验证回文字符串 Ⅱopen in new window35.0%简单10.082
177692前K个高频单词open in new window48.4%中等10.185
178709转换成小写字母open in new window75.1%简单10.066
179104二叉树的最大深度open in new window72.1%简单10.015
18058最后一个单词的长度open in new window32.3%简单10.026
181130被围绕的区域open in new window39.0%中等10.067