更新题解目录

jieLinXuan · Apr 2, 2022 · 2a8e742 · 2a8e742
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diff --git a/Assets/Origins/Categories-List.md b/Assets/Origins/Categories-List.md
@@ -171,7 +171,7 @@
 
 #### 区间更新题目
 
-###### 0370. 区间加法、1109. 航班预订统计、0673. 最长递增子序列的个数、1851. 包含每个查询的最小区间
+###### 0370. 区间加法、1109. 航班预订统计、1450. 在既定时间做作业的学生人数、0673. 最长递增子序列的个数、1851. 包含每个查询的最小区间
 
 #### 区间合并题目
 
@@ -183,7 +183,7 @@
 
 ### [树状数组题目](../../Contents/07.Tree/04.Binary-Indexed-Tree/02.Binary-Indexed-Tree-List.md)
 
-###### 0303. 区域和检索 - 数组不可变、0307. 区域和检索 - 数组可修改、0315. 计算右侧小于当前元素的个数、0354. 俄罗斯套娃信封问题、0673. 最长递增子序列的个数、1310. 子数组异或查询、1893. 检查是否区域内所有整数都被覆盖
+###### 0303. 区域和检索 - 数组不可变、0307. 区域和检索 - 数组可修改、0315. 计算右侧小于当前元素的个数、1450. 在既定时间做作业的学生人数、0354. 俄罗斯套娃信封问题、0673. 最长递增子序列的个数、1310. 子数组异或查询、1893. 检查是否区域内所有整数都被覆盖
 
 ### [并查集题目](../../Contents/07.Tree/05.Union-Find/02.Union-Find-List.md)
 
@@ -235,7 +235,7 @@
 
 ### [枚举算法题目](../../Contents/09.Algorithm-Base/01.Enumeration-Algorithm/02.Enumeration-Algorithm-List.md)
 
-###### 0001. 两数之和、0204. 计数质数、1925. 统计平方和三元组的数目、剑指 Offer 57 - II. 和为s的连续正数序列、0078. 子集、0090. 子集 II、0800. 相似 RGB 颜色
+###### 0001. 两数之和、0204. 计数质数、1925. 统计平方和三元组的数目、1450. 在既定时间做作业的学生人数、剑指 Offer 57 - II. 和为s的连续正数序列、0078. 子集、0090. 子集 II、0800. 相似 RGB 颜色
 
 ### [递归、递推算法题目](../../Contents/09.Algorithm-Base/02.Recursive-Algorithm/02.Recursive-Algorithm-List.md)
 

diff --git a/Contents/00.Introduction/04.Solutions-List.md b/Contents/00.Introduction/04.Solutions-List.md
@@ -1,4 +1,4 @@
-# LeetCode 题解（已完成 684 道）
+# LeetCode 题解（已完成 685 道）
 
 | 题号 | 标题 | 题解 | 标签 | 难度 |
 | :------ | :------ | :------ | :------ | :------ |
@@ -464,6 +464,7 @@
 | 1423 | [可获得的最大点数](https://leetcode-cn.com/problems/maximum-points-you-can-obtain-from-cards/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1423.%20%E5%8F%AF%E8%8E%B7%E5%BE%97%E7%9A%84%E6%9C%80%E5%A4%A7%E7%82%B9%E6%95%B0.md) | 数组、前缀和、滑动窗口 | 中等 |
 | 1438 | [绝对差不超过限制的最长连续子数组](https://leetcode-cn.com/problems/longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1438.%20%E7%BB%9D%E5%AF%B9%E5%B7%AE%E4%B8%8D%E8%B6%85%E8%BF%87%E9%99%90%E5%88%B6%E7%9A%84%E6%9C%80%E9%95%BF%E8%BF%9E%E7%BB%AD%E5%AD%90%E6%95%B0%E7%BB%84.md) | 队列、数组、有序集合、滑动窗口、单调队列、堆（优先队列） | 中等 |
 | 1446 | [连续字符](https://leetcode-cn.com/problems/consecutive-characters/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1446.%20%E8%BF%9E%E7%BB%AD%E5%AD%97%E7%AC%A6.md) | 字符串 | 简单 |
+| 1450 | [在既定时间做作业的学生人数](https://leetcode-cn.com/problems/number-of-students-doing-homework-at-a-given-time/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1450.%20%E5%9C%A8%E6%97%A2%E5%AE%9A%E6%97%B6%E9%97%B4%E5%81%9A%E4%BD%9C%E4%B8%9A%E7%9A%84%E5%AD%A6%E7%94%9F%E4%BA%BA%E6%95%B0.md) | 数组 | 简单 |
 | 1456 | [定长子串中元音的最大数目](https://leetcode-cn.com/problems/maximum-number-of-vowels-in-a-substring-of-given-length/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1456.%20%E5%AE%9A%E9%95%BF%E5%AD%90%E4%B8%B2%E4%B8%AD%E5%85%83%E9%9F%B3%E7%9A%84%E6%9C%80%E5%A4%A7%E6%95%B0%E7%9B%AE.md) | 字符串、滑动窗口 | 中等 |
 | 1480 | [一维数组的动态和](https://leetcode-cn.com/problems/running-sum-of-1d-array/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1480.%20%E4%B8%80%E7%BB%B4%E6%95%B0%E7%BB%84%E7%9A%84%E5%8A%A8%E6%80%81%E5%92%8C.md) | 数组 | 简单 |
 | 1482 | [制作 m 束花所需的最少天数](https://leetcode-cn.com/problems/minimum-number-of-days-to-make-m-bouquets/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1482.%20%E5%88%B6%E4%BD%9C%20m%20%E6%9D%9F%E8%8A%B1%E6%89%80%E9%9C%80%E7%9A%84%E6%9C%80%E5%B0%91%E5%A4%A9%E6%95%B0.md) | 数组、二分查找 | 中等 |

diff --git a/Contents/00.Introduction/05.Categories-List.md b/Contents/00.Introduction/05.Categories-List.md
@@ -472,6 +472,7 @@
 | :------ | :------ | :------ | :------ | :------ |
 | 0370 | [区间加法](https://leetcode-cn.com/problems/range-addition/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0370.%20%E5%8C%BA%E9%97%B4%E5%8A%A0%E6%B3%95.md) | 数组、前缀和 | 中等 |
 | 1109 | [航班预订统计](https://leetcode-cn.com/problems/corporate-flight-bookings/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1109.%20%E8%88%AA%E7%8F%AD%E9%A2%84%E8%AE%A2%E7%BB%9F%E8%AE%A1.md) | 数组、前缀和 | 中等 |
+| 1450 | [在既定时间做作业的学生人数](https://leetcode-cn.com/problems/number-of-students-doing-homework-at-a-given-time/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1450.%20%E5%9C%A8%E6%97%A2%E5%AE%9A%E6%97%B6%E9%97%B4%E5%81%9A%E4%BD%9C%E4%B8%9A%E7%9A%84%E5%AD%A6%E7%94%9F%E4%BA%BA%E6%95%B0.md) | 数组 | 简单 |
 | 0673 | [最长递增子序列的个数](https://leetcode-cn.com/problems/number-of-longest-increasing-subsequence/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0673.%20%E6%9C%80%E9%95%BF%E9%80%92%E5%A2%9E%E5%AD%90%E5%BA%8F%E5%88%97%E7%9A%84%E4%B8%AA%E6%95%B0.md) | 动态规划 | 中等 |
 | 1851 | 包含每个查询的最小区间 |   |   |   |
 
@@ -497,6 +498,7 @@
 | 0303 | [区域和检索 - 数组不可变](https://leetcode-cn.com/problems/range-sum-query-immutable/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0303.%20%E5%8C%BA%E5%9F%9F%E5%92%8C%E6%A3%80%E7%B4%A2%20-%20%E6%95%B0%E7%BB%84%E4%B8%8D%E5%8F%AF%E5%8F%98.md) | 设计、数组、前缀和 | 简单 |
 | 0307 | [区域和检索 - 数组可修改](https://leetcode-cn.com/problems/range-sum-query-mutable/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0307.%20%E5%8C%BA%E5%9F%9F%E5%92%8C%E6%A3%80%E7%B4%A2%20-%20%E6%95%B0%E7%BB%84%E5%8F%AF%E4%BF%AE%E6%94%B9.md) | 设计、树状数组、线段树、数组 | 中等 |
 | 0315 | [计算右侧小于当前元素的个数](https://leetcode-cn.com/problems/count-of-smaller-numbers-after-self/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0315.%20%E8%AE%A1%E7%AE%97%E5%8F%B3%E4%BE%A7%E5%B0%8F%E4%BA%8E%E5%BD%93%E5%89%8D%E5%85%83%E7%B4%A0%E7%9A%84%E4%B8%AA%E6%95%B0.md) | 树状数组、线段树、数组、二分查找、分治、有序集合、归并排序 | 困难 |
+| 1450 | [在既定时间做作业的学生人数](https://leetcode-cn.com/problems/number-of-students-doing-homework-at-a-given-time/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1450.%20%E5%9C%A8%E6%97%A2%E5%AE%9A%E6%97%B6%E9%97%B4%E5%81%9A%E4%BD%9C%E4%B8%9A%E7%9A%84%E5%AD%A6%E7%94%9F%E4%BA%BA%E6%95%B0.md) | 数组 | 简单 |
 | 0354 | [俄罗斯套娃信封问题](https://leetcode-cn.com/problems/russian-doll-envelopes/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0354.%20%E4%BF%84%E7%BD%97%E6%96%AF%E5%A5%97%E5%A8%83%E4%BF%A1%E5%B0%81%E9%97%AE%E9%A2%98.md) | 动态规划、二分查找 | 困难 |
 | 0673 | [最长递增子序列的个数](https://leetcode-cn.com/problems/number-of-longest-increasing-subsequence/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0673.%20%E6%9C%80%E9%95%BF%E9%80%92%E5%A2%9E%E5%AD%90%E5%BA%8F%E5%88%97%E7%9A%84%E4%B8%AA%E6%95%B0.md) | 动态规划 | 中等 |
 | 1310 | 子数组异或查询 |   |   |   |
@@ -639,6 +641,7 @@
 | 0001 | [两数之和](https://leetcode-cn.com/problems/two-sum/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0001.%20%E4%B8%A4%E6%95%B0%E4%B9%8B%E5%92%8C.md) | 数组、哈希表 | 简单 |
 | 0204 | [计数质数](https://leetcode-cn.com/problems/count-primes/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0204.%20%E8%AE%A1%E6%95%B0%E8%B4%A8%E6%95%B0.md) | 数学、哈希表 | 简单 |
 | 1925 | 统计平方和三元组的数目 |   |   |   |
+| 1450 | [在既定时间做作业的学生人数](https://leetcode-cn.com/problems/number-of-students-doing-homework-at-a-given-time/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1450.%20%E5%9C%A8%E6%97%A2%E5%AE%9A%E6%97%B6%E9%97%B4%E5%81%9A%E4%BD%9C%E4%B8%9A%E7%9A%84%E5%AD%A6%E7%94%9F%E4%BA%BA%E6%95%B0.md) | 数组 | 简单 |
 | 剑指 Offer 57 - II | [和为s的连续正数序列](https://leetcode-cn.com/problems/he-wei-sde-lian-xu-zheng-shu-xu-lie-lcof/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/%E5%89%91%E6%8C%87%20Offer%2057%20-%20II.%20%E5%92%8C%E4%B8%BAs%E7%9A%84%E8%BF%9E%E7%BB%AD%E6%AD%A3%E6%95%B0%E5%BA%8F%E5%88%97.md) | 数学、双指针、枚举 | 简单 |
 | 0078 | [子集](https://leetcode-cn.com/problems/subsets/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0078.%20%E5%AD%90%E9%9B%86.md) | 位运算、数组、回溯算法 | 中等 |
 | 0090 | [子集 II](https://leetcode-cn.com/problems/subsets-ii/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0090.%20%E5%AD%90%E9%9B%86%20II.md) | 位运算、数组、回溯 | 中等 |

diff --git a/Contents/07.Tree/03.Segment-Tree/02.Segment-Tree-List.md b/Contents/07.Tree/03.Segment-Tree/02.Segment-Tree-List.md
@@ -15,6 +15,7 @@
 | :------ | :------ | :------ | :------ | :------ |
 | 0370 | [区间加法](https://leetcode-cn.com/problems/range-addition/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0370.%20%E5%8C%BA%E9%97%B4%E5%8A%A0%E6%B3%95.md) | 数组、前缀和 | 中等 |
 | 1109 | [航班预订统计](https://leetcode-cn.com/problems/corporate-flight-bookings/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1109.%20%E8%88%AA%E7%8F%AD%E9%A2%84%E8%AE%A2%E7%BB%9F%E8%AE%A1.md) | 数组、前缀和 | 中等 |
+| 1450 | [在既定时间做作业的学生人数](https://leetcode-cn.com/problems/number-of-students-doing-homework-at-a-given-time/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1450.%20%E5%9C%A8%E6%97%A2%E5%AE%9A%E6%97%B6%E9%97%B4%E5%81%9A%E4%BD%9C%E4%B8%9A%E7%9A%84%E5%AD%A6%E7%94%9F%E4%BA%BA%E6%95%B0.md) | 数组 | 简单 |
 | 0673 | [最长递增子序列的个数](https://leetcode-cn.com/problems/number-of-longest-increasing-subsequence/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0673.%20%E6%9C%80%E9%95%BF%E9%80%92%E5%A2%9E%E5%AD%90%E5%BA%8F%E5%88%97%E7%9A%84%E4%B8%AA%E6%95%B0.md) | 动态规划 | 中等 |
 | 1851 | 包含每个查询的最小区间 |   |   |   |
 

diff --git a/Contents/07.Tree/04.Binary-Indexed-Tree/02.Binary-Indexed-Tree-List.md b/Contents/07.Tree/04.Binary-Indexed-Tree/02.Binary-Indexed-Tree-List.md
@@ -5,6 +5,7 @@
 | 0303 | [区域和检索 - 数组不可变](https://leetcode-cn.com/problems/range-sum-query-immutable/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0303.%20%E5%8C%BA%E5%9F%9F%E5%92%8C%E6%A3%80%E7%B4%A2%20-%20%E6%95%B0%E7%BB%84%E4%B8%8D%E5%8F%AF%E5%8F%98.md) | 设计、数组、前缀和 | 简单 |
 | 0307 | [区域和检索 - 数组可修改](https://leetcode-cn.com/problems/range-sum-query-mutable/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0307.%20%E5%8C%BA%E5%9F%9F%E5%92%8C%E6%A3%80%E7%B4%A2%20-%20%E6%95%B0%E7%BB%84%E5%8F%AF%E4%BF%AE%E6%94%B9.md) | 设计、树状数组、线段树、数组 | 中等 |
 | 0315 | [计算右侧小于当前元素的个数](https://leetcode-cn.com/problems/count-of-smaller-numbers-after-self/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0315.%20%E8%AE%A1%E7%AE%97%E5%8F%B3%E4%BE%A7%E5%B0%8F%E4%BA%8E%E5%BD%93%E5%89%8D%E5%85%83%E7%B4%A0%E7%9A%84%E4%B8%AA%E6%95%B0.md) | 树状数组、线段树、数组、二分查找、分治、有序集合、归并排序 | 困难 |
+| 1450 | [在既定时间做作业的学生人数](https://leetcode-cn.com/problems/number-of-students-doing-homework-at-a-given-time/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1450.%20%E5%9C%A8%E6%97%A2%E5%AE%9A%E6%97%B6%E9%97%B4%E5%81%9A%E4%BD%9C%E4%B8%9A%E7%9A%84%E5%AD%A6%E7%94%9F%E4%BA%BA%E6%95%B0.md) | 数组 | 简单 |
 | 0354 | [俄罗斯套娃信封问题](https://leetcode-cn.com/problems/russian-doll-envelopes/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0354.%20%E4%BF%84%E7%BD%97%E6%96%AF%E5%A5%97%E5%A8%83%E4%BF%A1%E5%B0%81%E9%97%AE%E9%A2%98.md) | 动态规划、二分查找 | 困难 |
 | 0673 | [最长递增子序列的个数](https://leetcode-cn.com/problems/number-of-longest-increasing-subsequence/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0673.%20%E6%9C%80%E9%95%BF%E9%80%92%E5%A2%9E%E5%AD%90%E5%BA%8F%E5%88%97%E7%9A%84%E4%B8%AA%E6%95%B0.md) | 动态规划 | 中等 |
 | 1310 | 子数组异或查询 |   |   |   |

diff --git a/...nts/09.Algorithm-Base/01.Enumeration-Algorithm/02.Enumeration-Algorithm-List.md b/...nts/09.Algorithm-Base/01.Enumeration-Algorithm/02.Enumeration-Algorithm-List.md
@@ -5,6 +5,7 @@
 | 0001 | [两数之和](https://leetcode-cn.com/problems/two-sum/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0001.%20%E4%B8%A4%E6%95%B0%E4%B9%8B%E5%92%8C.md) | 数组、哈希表 | 简单 |
 | 0204 | [计数质数](https://leetcode-cn.com/problems/count-primes/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0204.%20%E8%AE%A1%E6%95%B0%E8%B4%A8%E6%95%B0.md) | 数学、哈希表 | 简单 |
 | 1925 | 统计平方和三元组的数目 |   |   |   |
+| 1450 | [在既定时间做作业的学生人数](https://leetcode-cn.com/problems/number-of-students-doing-homework-at-a-given-time/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/1450.%20%E5%9C%A8%E6%97%A2%E5%AE%9A%E6%97%B6%E9%97%B4%E5%81%9A%E4%BD%9C%E4%B8%9A%E7%9A%84%E5%AD%A6%E7%94%9F%E4%BA%BA%E6%95%B0.md) | 数组 | 简单 |
 | 剑指 Offer 57 - II | [和为s的连续正数序列](https://leetcode-cn.com/problems/he-wei-sde-lian-xu-zheng-shu-xu-lie-lcof/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/%E5%89%91%E6%8C%87%20Offer%2057%20-%20II.%20%E5%92%8C%E4%B8%BAs%E7%9A%84%E8%BF%9E%E7%BB%AD%E6%AD%A3%E6%95%B0%E5%BA%8F%E5%88%97.md) | 数学、双指针、枚举 | 简单 |
 | 0078 | [子集](https://leetcode-cn.com/problems/subsets/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0078.%20%E5%AD%90%E9%9B%86.md) | 位运算、数组、回溯算法 | 中等 |
 | 0090 | [子集 II](https://leetcode-cn.com/problems/subsets-ii/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0090.%20%E5%AD%90%E9%9B%86%20II.md) | 位运算、数组、回溯 | 中等 |

diff --git a/README.md b/README.md
@@ -252,4 +252,4 @@
   - [动态规划优化题目](./Contents/10.Dynamic-Programming/11.DP-Optimization/04.DP-Optimization-List.md)
 
 ## 11. 附加内容
-## [12. LeetCode 题解（已完成 684 道）](./Contents/00.Introduction/04.Solutions-List.md)
+## [12. LeetCode 题解（已完成 685 道）](./Contents/00.Introduction/04.Solutions-List.md)