add 25 solutions

Author: 2xiao

src/.vuepress/sidebar.ts

@@ -785,18 +785,43 @@ export default sidebar({
       "1813",
       "1816",
       "1822",
+      "1827",
       "1829",
+      "1832",
+      "1837",
+      "1844",
+      "1848",
+      "1854",
+      "1859",
       "1861",
-      "1873"
+      "1863",
+      "1869",
+      "1873",
+      "1876",
+      "1880",
+      "1886",
+      "1893",
+      "1897"
     ]
   },
   {
     "text": "1900-1999",
     "collapsible": true,
     "children": [
+      "1903",
+      "1909",
+      "1913",
+      "1920",
+      "1925",
       "1926",
+      "1929",
+      "1935",
+      "1941",
       "1942",
+      "1945",
+      "1952",
       "1957",
+      "1961",
       "1963",
       "1975"
     ]

src/book/enumeration.md

@@ -12,7 +12,7 @@
 | :------: | :------ | :------: | :------ | :------: | :------: |
 | 1 | 两数之和 | [[✓]](/problem/0001.md) |  [`数组`](/tag/array.md) [`哈希表`](/tag/hash-table.md) | 🟢 | [🀄️](https://leetcode.cn/problems/two-sum) [🔗](https://leetcode.com/problems/two-sum) |
 | 204 | 计数质数 |  |  [`数组`](/tag/array.md) [`数学`](/tag/math.md) [`枚举`](/tag/enumeration.md) `1+` | 🟠 | [🀄️](https://leetcode.cn/problems/count-primes) [🔗](https://leetcode.com/problems/count-primes) |
-| 1925 | 统计平方和三元组的数目 |  |  [`数学`](/tag/math.md) [`枚举`](/tag/enumeration.md) | 🟢 | [🀄️](https://leetcode.cn/problems/count-square-sum-triples) [🔗](https://leetcode.com/problems/count-square-sum-triples) |
+| 1925 | 统计平方和三元组的数目 | [[✓]](/problem/1925.md) |  [`数学`](/tag/math.md) [`枚举`](/tag/enumeration.md) | 🟢 | [🀄️](https://leetcode.cn/problems/count-square-sum-triples) [🔗](https://leetcode.com/problems/count-square-sum-triples) |
 | 1450 | 在既定时间做作业的学生人数 | [[✓]](/problem/1450.md) |  [`数组`](/tag/array.md) | 🟢 | [🀄️](https://leetcode.cn/problems/number-of-students-doing-homework-at-a-given-time) [🔗](https://leetcode.com/problems/number-of-students-doing-homework-at-a-given-time) |
 | 1620 | 网络信号最好的坐标 |  |  [`数组`](/tag/array.md) [`枚举`](/tag/enumeration.md) | 🟠 | [🀄️](https://leetcode.cn/problems/coordinate-with-maximum-network-quality) [🔗](https://leetcode.com/problems/coordinate-with-maximum-network-quality) |
 | 剑指 Offer 57-II | 和为s的连续正数序列 | [[✓]](/offer/jz_offer_57_2.md) |  [`数学`](/tag/math.md) [`双指针`](/tag/two-pointers.md) [`枚举`](/tag/enumeration.md) | 🟢 | [🀄️](https://leetcode.cn/problems/he-wei-sde-lian-xu-zheng-shu-xu-lie-lcof) |

src/book/hash.md

@@ -658,7 +658,7 @@ jsonToMap('[[true,7],[{"foo":3},["abc"]]]');
 | 217 | 存在重复元素 | [[✓]](/problem/0217.md) |  [`数组`](/tag/array.md) [`哈希表`](/tag/hash-table.md) [`排序`](/tag/sorting.md) | 🟢 | [🀄️](https://leetcode.cn/problems/contains-duplicate) [🔗](https://leetcode.com/problems/contains-duplicate) |
 | 219 | 存在重复元素 II | [[✓]](/problem/0219.md) |  [`数组`](/tag/array.md) [`哈希表`](/tag/hash-table.md) [`滑动窗口`](/tag/sliding-window.md) | 🟢 | [🀄️](https://leetcode.cn/problems/contains-duplicate-ii) [🔗](https://leetcode.com/problems/contains-duplicate-ii) |
 | 220 | 存在重复元素 III |  |  [`数组`](/tag/array.md) [`桶排序`](/tag/bucket-sort.md) [`有序集合`](/tag/ordered-set.md) `2+` | 🔴 | [🀄️](https://leetcode.cn/problems/contains-duplicate-iii) [🔗](https://leetcode.com/problems/contains-duplicate-iii) |
-| 1941 | 检查是否所有字符出现次数相同 |  |  [`哈希表`](/tag/hash-table.md) [`字符串`](/tag/string.md) [`计数`](/tag/counting.md) | 🟢 | [🀄️](https://leetcode.cn/problems/check-if-all-characters-have-equal-number-of-occurrences) [🔗](https://leetcode.com/problems/check-if-all-characters-have-equal-number-of-occurrences) |
+| 1941 | 检查是否所有字符出现次数相同 | [[✓]](/problem/1941.md) |  [`哈希表`](/tag/hash-table.md) [`字符串`](/tag/string.md) [`计数`](/tag/counting.md) | 🟢 | [🀄️](https://leetcode.cn/problems/check-if-all-characters-have-equal-number-of-occurrences) [🔗](https://leetcode.com/problems/check-if-all-characters-have-equal-number-of-occurrences) |
 | 136 | 只出现一次的数字 | [[✓]](/problem/0136.md) |  [`位运算`](/tag/bit-manipulation.md) [`数组`](/tag/array.md) | 🟢 | [🀄️](https://leetcode.cn/problems/single-number) [🔗](https://leetcode.com/problems/single-number) |
 | 383 | 赎金信 | [[✓]](/problem/0383.md) |  [`哈希表`](/tag/hash-table.md) [`字符串`](/tag/string.md) [`计数`](/tag/counting.md) | 🟢 | [🀄️](https://leetcode.cn/problems/ransom-note) [🔗](https://leetcode.com/problems/ransom-note) |
 | 349 | 两个数组的交集 | [[✓]](/problem/0349.md) |  [`数组`](/tag/array.md) [`哈希表`](/tag/hash-table.md) [`双指针`](/tag/two-pointers.md) `2+` | 🟢 | [🀄️](https://leetcode.cn/problems/intersection-of-two-arrays) [🔗](https://leetcode.com/problems/intersection-of-two-arrays) |

src/book/tree.md

@@ -1158,7 +1158,7 @@ class NumArray {
 | 354 | 俄罗斯套娃信封问题 | [[✓]](/problem/0354.md) |  [`数组`](/tag/array.md) [`二分查找`](/tag/binary-search.md) [`动态规划`](/tag/dynamic-programming.md) `1+` | 🔴 | [🀄️](https://leetcode.cn/problems/russian-doll-envelopes) [🔗](https://leetcode.com/problems/russian-doll-envelopes) |
 | 673 | 最长递增子序列的个数 |  |  [`树状数组`](/tag/binary-indexed-tree.md) [`线段树`](/tag/segment-tree.md) [`数组`](/tag/array.md) `1+` | 🟠 | [🀄️](https://leetcode.cn/problems/number-of-longest-increasing-subsequence) [🔗](https://leetcode.com/problems/number-of-longest-increasing-subsequence) |
 | 1310 | 子数组异或查询 |  |  [`位运算`](/tag/bit-manipulation.md) [`数组`](/tag/array.md) [`前缀和`](/tag/prefix-sum.md) | 🟠 | [🀄️](https://leetcode.cn/problems/xor-queries-of-a-subarray) [🔗](https://leetcode.com/problems/xor-queries-of-a-subarray) |
-| 1893 | 检查是否区域内所有整数都被覆盖 |  |  [`数组`](/tag/array.md) [`哈希表`](/tag/hash-table.md) [`前缀和`](/tag/prefix-sum.md) | 🟢 | [🀄️](https://leetcode.cn/problems/check-if-all-the-integers-in-a-range-are-covered) [🔗](https://leetcode.com/problems/check-if-all-the-integers-in-a-range-are-covered) |
+| 1893 | 检查是否区域内所有整数都被覆盖 | [[✓]](/problem/1893.md) |  [`数组`](/tag/array.md) [`哈希表`](/tag/hash-table.md) [`前缀和`](/tag/prefix-sum.md) | 🟢 | [🀄️](https://leetcode.cn/problems/check-if-all-the-integers-in-a-range-are-covered) [🔗](https://leetcode.com/problems/check-if-all-the-integers-in-a-range-are-covered) |
 
 #### 并查集