| 2170 |
使数组变成交替数组的最少操作数 |
[贪心] [数组] [哈希表] [计数] |
Medium |
| 2160 |
拆分数位后四位数字的最小和 |
[贪心] [数学] [排序] |
Easy |
| 2144 |
打折购买糖果的最小开销 |
[贪心] [数组] [排序] |
Easy |
| 2141 |
同时运行 N 台电脑的最长时间 |
[贪心] [数组] [二分查找] [排序] |
Hard |
| 2139 |
得到目标值的最少行动次数 |
[贪心] [数学] |
Medium |
| 2136 |
全部开花的最早一天 |
[贪心] [数组] [排序] |
Hard |
| 2132 |
用邮票贴满网格图 |
[贪心] [数组] [矩阵] [前缀和] |
Hard |
| 2131 |
连接两字母单词得到的最长回文串 |
[贪心] [数组] [哈希表] [字符串] [计数] |
Medium |
| 2126 |
摧毁小行星 |
[贪心] [数组] [排序] |
Medium |
| 2116 |
判断一个括号字符串是否有效 |
[栈] [贪心] [字符串] |
Medium |
| 2098 |
Subsequence of Size K With the Largest Even Sum 🔒 |
[贪心] [数组] [排序] |
Medium |
| 2091 |
从数组中移除最大值和最小值 |
[贪心] [数组] |
Medium |
| 2087 |
网格图中机器人回家的最小代价 |
[贪心] [数组] [矩阵] |
Medium |
| 2086 |
从房屋收集雨水需要的最少水桶数 |
[贪心] [字符串] [动态规划] |
Medium |
| 2078 |
两栋颜色不同且距离最远的房子 |
[贪心] [数组] |
Easy |
| 2071 |
你可以安排的最多任务数目 |
[贪心] [队列] [数组] [二分查找] [排序] [单调队列] |
Hard |
| 2038 |
如果相邻两个颜色均相同则删除当前颜色 |
[贪心] [数学] [字符串] [博弈] |
Medium |
| 2030 |
含特定字母的最小子序列 |
[栈] [贪心] [字符串] [单调栈] |
Hard |
| 2029 |
石子游戏 IX |
[贪心] [数组] [数学] [计数] [博弈] |
Medium |
| 2027 |
转换字符串的最少操作次数 |
[贪心] [字符串] |
Easy |
| 2015 |
Average Height of Buildings in Each Segment 🔒 |
[贪心] [数组] [排序] [堆（优先队列）] |
Medium |
| 2014 |
重复 K 次的最长子序列 |
[贪心] [字符串] [回溯] [计数] [枚举] |
Hard |
| 2007 |
从双倍数组中还原原数组 |
[贪心] [数组] [哈希表] [排序] |
Medium |
| 1996 |
游戏中弱角色的数量 |
[栈] [贪心] [数组] [排序] [单调栈] |
Medium |
| 1975 |
最大方阵和 |
[贪心] [数组] [矩阵] |
Medium |
| 1974 |
使用特殊打字机键入单词的最少时间 |
[贪心] [字符串] |
Easy |
| 1969 |
数组元素的最小非零乘积 |
[贪心] [递归] [数学] |
Medium |
| 1968 |
构造元素不等于两相邻元素平均值的数组 |
[贪心] [数组] [排序] |
Medium |
| 1963 |
使字符串平衡的最小交换次数 |
[栈] [贪心] [双指针] [字符串] |
Medium |
| 1953 |
你可以工作的最大周数 |
[贪心] [数组] |
Medium |
| 1946 |
子字符串突变后可能得到的最大整数 |
[贪心] [数组] [字符串] |
Medium |
| 1936 |
新增的最少台阶数 |
[贪心] [数组] |
Medium |
| 1927 |
求和游戏 |
[贪心] [数学] [博弈] |
Medium |
| 1921 |
消灭怪物的最大数量 |
[贪心] [数组] [排序] |
Medium |
| 1903 |
字符串中的最大奇数 |
[贪心] [数学] [字符串] |
Easy |
| 1899 |
合并若干三元组以形成目标三元组 |
[贪心] [数组] |
Medium |
| 1888 |
使二进制字符串字符交替的最少反转次数 |
[贪心] [字符串] |
Medium |
| 1881 |
插入后的最大值 |
[贪心] [字符串] |
Medium |
| 1877 |
数组中最大数对和的最小值 |
[贪心] [数组] [双指针] [排序] |
Medium |
| 1874 |
两个数组的最小乘积和 🔒 |
[贪心] [数组] [排序] |
Medium |
| 1864 |
构成交替字符串需要的最小交换次数 |
[贪心] [字符串] |
Medium |
| 1855 |
下标对中的最大距离 |
[贪心] [数组] [双指针] [二分查找] |
Medium |
| 1850 |
邻位交换的最小次数 |
[贪心] [双指针] [字符串] |
Medium |
| 1846 |
减小和重新排列数组后的最大元素 |
[贪心] [数组] [排序] |
Medium |
| 1833 |
雪糕的最大数量 |
[贪心] [数组] [排序] |
Medium |
| 1827 |
最少操作使数组递增 |
[贪心] [数组] |
Easy |
| 1824 |
最少侧跳次数 |
[贪心] [数组] [动态规划] |
Medium |
| 1802 |
有界数组中指定下标处的最大值 |
[贪心] [二分查找] |
Medium |
| 1798 |
你能构造出连续值的最大数目 |
[贪心] [数组] |
Medium |
| 1794 |
统计距离最小的子串对个数 🔒 |
[贪心] [哈希表] [字符串] |
Medium |
| 1792 |
最大平均通过率 |
[贪心] [数组] [堆（优先队列）] |
Medium |
| 1788 |
最大化花园的美观度 🔒 |
[贪心] [数组] [前缀和] |
Hard |
| 1785 |
构成特定和需要添加的最少元素 |
[贪心] [数组] |
Medium |
| 1775 |
通过最少操作次数使数组的和相等 |
[贪心] [数组] [哈希表] [计数] |
Medium |
| 1764 |
通过连接另一个数组的子数组得到一个数组 |
[贪心] [数组] [字符串匹配] |
Medium |
| 1754 |
构造字典序最大的合并字符串 |
[贪心] [双指针] [字符串] |
Medium |
| 1753 |
移除石子的最大得分 |
[贪心] [数学] [堆（优先队列）] |
Medium |
| 1739 |
放置盒子 |
[贪心] [数学] [二分查找] |
Hard |
| 1733 |
需要教语言的最少人数 |
[贪心] [数组] |
Medium |
| 1727 |
重新排列后的最大子矩阵 |
[贪心] [数组] [矩阵] [排序] |
Medium |
| 1717 |
删除子字符串的最大得分 |
[栈] [贪心] [字符串] |
Medium |
| 1713 |
得到子序列的最少操作次数 |
[贪心] [数组] [哈希表] [二分查找] |
Hard |
| 1710 |
卡车上的最大单元数 |
[贪心] [数组] [排序] |
Easy |
| 1708 |
长度为 K 的最大子数组 🔒 |
[贪心] [数组] |
Easy |
| 1705 |
吃苹果的最大数目 |
[贪心] [数组] [堆（优先队列）] |
Medium |
| 1703 |
得到连续 K 个 1 的最少相邻交换次数 |
[贪心] [数组] [前缀和] [滑动窗口] |
Hard |
| 1702 |
修改后的最大二进制字符串 |
[贪心] [字符串] |
Medium |
| 1689 |
十-二进制数的最少数目 |
[贪心] [字符串] |
Medium |
| 1686 |
石子游戏 VI |
[贪心] [数组] [数学] [博弈] [排序] [堆（优先队列）] |
Medium |
| 1675 |
数组的最小偏移量 |
[贪心] [数组] [有序集合] [堆（优先队列）] |
Hard |
| 1673 |
找出最具竞争力的子序列 |
[栈] [贪心] [数组] [单调栈] |
Medium |
| 1671 |
得到山形数组的最少删除次数 |
[贪心] [数组] [二分查找] [动态规划] |
Hard |
| 1665 |
完成所有任务的最少初始能量 |
[贪心] [数组] [排序] |
Hard |
| 1663 |
具有给定数值的最小字符串 |
[贪心] [字符串] |
Medium |
| 1648 |
销售价值减少的颜色球 |
[贪心] [数组] [数学] [二分查找] [排序] [堆（优先队列）] |
Medium |
| 1647 |
字符频次唯一的最小删除次数 |
[贪心] [字符串] [排序] |
Medium |
| 1642 |
可以到达的最远建筑 |
[贪心] [数组] [堆（优先队列）] |
Medium |
| 1632 |
矩阵转换后的秩 |
[贪心] [并查集] [图] [拓扑排序] [数组] [矩阵] |
Hard |
| 1616 |
分割两个字符串得到回文串 |
[贪心] [双指针] [字符串] |
Medium |
| 1606 |
找到处理最多请求的服务器 |
[贪心] [数组] [有序集合] [堆（优先队列）] |
Hard |
| 1605 |
给定行和列的和求可行矩阵 |
[贪心] [数组] [矩阵] |
Medium |
| 1589 |
所有排列中的最大和 |
[贪心] [数组] [前缀和] [排序] |
Medium |
| 1585 |
检查字符串是否可以通过排序子字符串得到另一个字符串 |
[贪心] [字符串] [排序] |
Hard |
| 1580 |
把箱子放进仓库里 II 🔒 |
[贪心] [数组] [排序] |
Medium |
| 1578 |
使绳子变成彩色的最短时间 |
[贪心] [数组] [字符串] [动态规划] |
Medium |
| 1567 |
乘积为正数的最长子数组长度 |
[贪心] [数组] [动态规划] |
Medium |
| 1564 |
把箱子放进仓库里 I 🔒 |
[贪心] [数组] [排序] |
Medium |
| 1561 |
你可以获得的最大硬币数目 |
[贪心] [数组] [数学] [博弈] [排序] |
Medium |
| 1558 |
得到目标数组的最少函数调用次数 |
[贪心] [数组] |
Medium |
| 1546 |
和为目标值且不重叠的非空子数组的最大数目 |
[贪心] [数组] [哈希表] [前缀和] |
Medium |
| 1541 |
平衡括号字符串的最少插入次数 |
[栈] [贪心] [字符串] |
Medium |
| 1537 |
最大得分 |
[贪心] [数组] [双指针] [动态规划] |
Hard |
| 1536 |
排布二进制网格的最少交换次数 |
[贪心] [数组] [矩阵] |
Medium |
| 1529 |
最少的后缀翻转次数 |
[贪心] [字符串] |
Medium |
| 1526 |
形成目标数组的子数组最少增加次数 |
[栈] [贪心] [数组] [动态规划] [单调栈] |
Hard |
| 1520 |
最多的不重叠子字符串 |
[贪心] [字符串] |
Hard |
| 1509 |
三次操作后最大值与最小值的最小差 |
[贪心] [数组] [排序] |
Medium |
| 1505 |
最多 K 次交换相邻数位后得到的最小整数 |
[贪心] [树状数组] [线段树] [字符串] |
Hard |
| 1488 |
避免洪水泛滥 |
[贪心] [数组] [哈希表] [二分查找] [堆（优先队列）] |
Medium |
| 1481 |
不同整数的最少数目 |
[贪心] [数组] [哈希表] [计数] [排序] |
Medium |
| 1465 |
切割后面积最大的蛋糕 |
[贪心] [数组] [排序] |
Medium |
| 1433 |
检查一个字符串是否可以打破另一个字符串 |
[贪心] [字符串] [排序] |
Medium |
| 1432 |
改变一个整数能得到的最大差值 |
[贪心] [数学] |
Medium |
| 1414 |
和为 K 的最少斐波那契数字数目 |
[贪心] |
Medium |
| 1405 |
最长快乐字符串 |
[贪心] [字符串] [堆（优先队列）] |
Medium |
| 1403 |
非递增顺序的最小子序列 |
[贪心] [数组] [排序] |
Easy |
| 1402 |
做菜顺序 |
[贪心] [数组] [动态规划] [排序] |
Hard |
| 1400 |
构造 K 个回文字符串 |
[贪心] [哈希表] [字符串] [计数] |
Medium |
| 1388 |
3n 块披萨 |
[贪心] [数组] [动态规划] [堆（优先队列）] |
Hard |
| 1386 |
安排电影院座位 |
[贪心] [位运算] [数组] [哈希表] |
Medium |
| 1383 |
最大的团队表现值 |
[贪心] [数组] [排序] [堆（优先队列）] |
Hard |
| 1382 |
将二叉搜索树变平衡 |
[贪心] [树] [深度优先搜索] [二叉搜索树] [分治] [二叉树] |
Medium |
| 1363 |
形成三的最大倍数 |
[贪心] [数组] [动态规划] |
Hard |
| 1353 |
最多可以参加的会议数目 |
[贪心] [数组] [堆（优先队列）] |
Medium |
| 1338 |
数组大小减半 |
[贪心] [数组] [哈希表] [排序] [堆（优先队列）] |
Medium |
| 1330 |
翻转子数组得到最大的数组值 |
[贪心] [数组] [数学] |
Hard |
| 1328 |
破坏回文串 |
[贪心] [字符串] |
Medium |
| 1326 |
灌溉花园的最少水龙头数目 |
[贪心] [数组] [动态规划] |
Hard |
| 1323 |
6 和 9 组成的最大数字 |
[贪心] [数学] |
Easy |
| 1296 |
划分数组为连续数字的集合 |
[贪心] [数组] [哈希表] [排序] |
Medium |
| 1262 |
可被三整除的最大和 |
[贪心] [数组] [动态规划] |
Medium |
| 1253 |
重构 2 行二进制矩阵 |
[贪心] [数组] [矩阵] |
Medium |
| 1247 |
交换字符使得字符串相同 |
[贪心] [数学] [字符串] |
Medium |
| 1221 |
分割平衡字符串 |
[贪心] [字符串] [计数] |
Easy |
| 1217 |
玩筹码 |
[贪心] [数组] [数学] |
Easy |
| 1199 |
建造街区的最短时间 🔒 |
[贪心] [数学] [堆（优先队列）] |
Hard |
| 1196 |
最多可以买到的苹果数量 🔒 |
[贪心] [数组] [排序] |
Easy |
| 1183 |
矩阵中 1 的最大数量 🔒 |
[贪心] [堆（优先队列）] |
Hard |
| 1167 |
连接棒材的最低费用 🔒 |
[贪心] [数组] [堆（优先队列）] |
Medium |
| 1147 |
段式回文 |
[贪心] [双指针] [字符串] [动态规划] [哈希函数] [滚动哈希] |
Hard |
| 1144 |
递减元素使数组呈锯齿状 |
[贪心] [数组] |
Medium |
| 1130 |
叶值的最小代价生成树 |
[栈] [贪心] [动态规划] [单调栈] |
Medium |
| 1121 |
将数组分成几个递增序列 🔒 |
[贪心] [数组] |
Hard |
| 1090 |
受标签影响的最大值 |
[贪心] [数组] [哈希表] [计数] [排序] |
Medium |
| 1081 |
不同字符的最小子序列 |
[栈] [贪心] [字符串] [单调栈] |
Medium |
| 1058 |
最小化舍入误差以满足目标 🔒 |
[贪心] [数组] [数学] [字符串] |
Medium |
| 1057 |
校园自行车分配 🔒 |
[贪心] [数组] [排序] |
Medium |
| 1055 |
形成字符串的最短路径 🔒 |
[贪心] [字符串] [动态规划] |
Medium |
| 1054 |
距离相等的条形码 |
[贪心] [数组] [哈希表] [计数] [排序] [堆（优先队列）] |
Medium |
| 1053 |
交换一次的先前排列 |
[贪心] [数组] |
Medium |
| 1029 |
两地调度 |
[贪心] [数组] [排序] |
Medium |
| 1024 |
视频拼接 |
[贪心] [数组] [动态规划] |
Medium |
| 1013 |
将数组分成和相等的三个部分 |
[贪心] [数组] |
Easy |
| 1011 |
在 D 天内送达包裹的能力 |
[贪心] [数组] [二分查找] |
Medium |
| 1007 |
行相等的最少多米诺旋转 |
[贪心] [数组] |
Medium |
| 1005 |
K 次取反后最大化的数组和 |
[贪心] [数组] [排序] |
Easy |
| 991 |
坏了的计算器 |
[贪心] [数学] |
Medium |
| 984 |
不含 AAA 或 BBB 的字符串 |
[贪心] [字符串] |
Medium |
| 976 |
三角形的最大周长 |
[贪心] [数组] [数学] [排序] |
Easy |
| 969 |
煎饼排序 |
[贪心] [数组] [双指针] [排序] |
Medium |
| 955 |
删列造序 II |
[贪心] [数组] [字符串] |
Medium |
| 954 |
二倍数对数组 |
[贪心] [数组] [哈希表] [排序] |
Medium |
| 948 |
令牌放置 |
[贪心] [数组] [双指针] [排序] |
Medium |
| 945 |
使数组唯一的最小增量 |
[贪心] [数组] [计数] [排序] |
Medium |
| 942 |
增减字符串匹配 |
[贪心] [数组] [数学] [双指针] [字符串] |
Easy |
| 936 |
戳印序列 |
[栈] [贪心] [队列] [字符串] |
Hard |
| 921 |
使括号有效的最少添加 |
[栈] [贪心] [字符串] |
Medium |
| 910 |
最小差值 II |
[贪心] [数组] [数学] [排序] |
Medium |
| 881 |
救生艇 |
[贪心] [数组] [双指针] [排序] |
Medium |
| 871 |
最低加油次数 |
[贪心] [数组] [动态规划] [堆（优先队列）] |
Hard |
| 870 |
优势洗牌 |
[贪心] [数组] [排序] |
Medium |
| 861 |
翻转矩阵后的得分 |
[贪心] [位运算] [数组] [矩阵] |
Medium |
| 860 |
柠檬水找零 |
[贪心] [数组] |
Easy |
| 857 |
雇佣 K 名工人的最低成本 |
[贪心] [数组] [排序] [堆（优先队列）] |
Hard |
| 846 |
一手顺子 |
[贪心] [数组] [哈希表] [排序] |
Medium |
| 826 |
安排工作以达到最大收益 |
[贪心] [数组] [双指针] [二分查找] [排序] |
Medium |
| 807 |
保持城市天际线 |
[贪心] [数组] [矩阵] |
Medium |
| 781 |
森林中的兔子 |
[贪心] [数组] [哈希表] [数学] |
Medium |
| 769 |
最多能完成排序的块 |
[栈] [贪心] [数组] [排序] [单调栈] |
Medium |
| 768 |
最多能完成排序的块 II |
[栈] [贪心] [数组] [排序] [单调栈] |
Hard |
| 767 |
重构字符串 |
[贪心] [哈希表] [字符串] [计数] [排序] [堆（优先队列）] |
Medium |
| 765 |
情侣牵手 |
[贪心] [深度优先搜索] [广度优先搜索] [并查集] [图] |
Hard |
| 763 |
划分字母区间 |
[贪心] [哈希表] [双指针] [字符串] |
Medium |
| 757 |
设置交集大小至少为2 |
[贪心] [数组] [排序] |
Hard |
| 738 |
单调递增的数字 |
[贪心] [数学] |
Medium |
| 714 |
买卖股票的最佳时机含手续费 |
[贪心] [数组] [动态规划] |
Medium |
| 680 |
验证回文字符串 Ⅱ |
[贪心] [双指针] [字符串] |
Easy |
| 678 |
有效的括号字符串 |
[栈] [贪心] [字符串] [动态规划] |
Medium |
| 670 |
最大交换 |
[贪心] [数学] |
Medium |
| 659 |
分割数组为连续子序列 |
[贪心] [数组] [哈希表] [堆（优先队列）] |
Medium |
| 649 |
Dota2 参议院 |
[贪心] [队列] [字符串] |
Medium |
| 646 |
最长数对链 |
[贪心] [数组] [动态规划] [排序] |
Medium |
| 632 |
最小区间 |
[贪心] [数组] [哈希表] [排序] [滑动窗口] [堆（优先队列）] |
Hard |
| 630 |
课程表 III |
[贪心] [数组] [堆（优先队列）] |
Hard |
| 625 |
最小因式分解 🔒 |
[贪心] [数学] |
Medium |
| 624 |
数组列表中的最大距离 🔒 |
[贪心] [数组] |
Medium |
| 621 |
任务调度器 |
[贪心] [数组] [哈希表] [计数] [排序] [堆（优先队列）] |
Medium |
| 611 |
有效三角形的个数 |
[贪心] [数组] [双指针] [二分查找] [排序] |
Medium |
| 605 |
种花问题 |
[贪心] [数组] |
Easy |
| 581 |
最短无序连续子数组 |
[栈] [贪心] [数组] [双指针] [排序] [单调栈] |
Medium |
| 561 |
数组拆分 I |
[贪心] [数组] [计数排序] [排序] |
Easy |
| 555 |
分割连接字符串 🔒 |
[贪心] [数组] [字符串] |
Medium |
| 527 |
单词缩写 🔒 |
[贪心] [字典树] [数组] [字符串] [排序] |
Hard |
| 517 |
超级洗衣机 |
[贪心] [数组] |
Hard |
| 502 |
IPO |
[贪心] [数组] [排序] [堆（优先队列）] |
Hard |
| 484 |
寻找排列 🔒 |
[栈] [贪心] [数组] |
Medium |
| 455 |
分发饼干 |
[贪心] [数组] [排序] |
Easy |
| 452 |
用最少数量的箭引爆气球 |
[贪心] [数组] [排序] |
Medium |
| 435 |
无重叠区间 |
[贪心] [数组] [动态规划] [排序] |
Medium |
| 420 |
强密码检验器 |
[贪心] [字符串] [堆（优先队列）] |
Hard |
| 410 |
分割数组的最大值 |
[贪心] [数组] [二分查找] [动态规划] |
Hard |
| 409 |
最长回文串 |
[贪心] [哈希表] [字符串] |
Easy |
| 406 |
根据身高重建队列 |
[贪心] [数组] [排序] |
Medium |
| 402 |
移掉 K 位数字 |
[栈] [贪心] [字符串] [单调栈] |
Medium |
| 397 |
整数替换 |
[贪心] [位运算] [记忆化搜索] [动态规划] |
Medium |
| 376 |
摆动序列 |
[贪心] [数组] [动态规划] |
Medium |
| 358 |
K 距离间隔重排字符串 🔒 |
[贪心] [哈希表] [字符串] [计数] [排序] [堆（优先队列）] |
Hard |
| 334 |
递增的三元子序列 |
[贪心] [数组] |
Medium |
| 330 |
按要求补齐数组 |
[贪心] [数组] |
Hard |
| 321 |
拼接最大数 |
[栈] [贪心] [单调栈] |
Hard |
| 316 |
去除重复字母 |
[栈] [贪心] [字符串] [单调栈] |
Medium |
| 280 |
摆动排序 🔒 |
[贪心] [数组] [排序] |
Medium |
| 277 |
搜寻名人 🔒 |
[贪心] [图] [双指针] [交互] |
Medium |
| 253 |
会议室 II 🔒 |
[贪心] [数组] [双指针] [排序] [堆（优先队列）] |
Medium |
| 179 |
最大数 |
[贪心] [字符串] [排序] |
Medium |
| 135 |
分发糖果 |
[贪心] [数组] |
Hard |
| 134 |
加油站 |
[贪心] [数组] |
Medium |
| 122 |
买卖股票的最佳时机 II |
[贪心] [数组] [动态规划] |
Medium |
| 55 |
跳跃游戏 |
[贪心] [数组] [动态规划] |
Medium |
| 45 |
跳跃游戏 II |
[贪心] [数组] [动态规划] |
Medium |
| 44 |
通配符匹配 |
[贪心] [递归] [字符串] [动态规划] |
Hard |
| 11 |
盛最多水的容器 |
[贪心] [数组] [双指针] |
Medium |