第一周
第一天：
1 https://leetcode-cn.com/problems/subarray-sum-equals-k/ ------前缀和
1 https://leetcode-cn.com/problems/count-number-of-nice-subarrays/ ------动态规划
第二天：
1 https://leetcode-cn.com/problems/longest-well-performing-interval/ ------前缀和 + 单调栈 （未完成，仅完成暴力求解）
1 https://leetcode-cn.com/problems/next-greater-element-ii/ ------单调栈
第三天：
https://leetcode-cn.com/problems/short-encoding-of-words/
1 https://leetcode-cn.com/problems/corporate-flight-bookings/ ------差分，然后前缀和
第四天：
https://leetcode-cn.com/problems/permutation-in-string/ ------滑动窗口
1 https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee/ ------动态规划
第五天：
1 https://leetcode-cn.com/problems/restore-ip-addresses/ ------回溯， DFS
1 https://leetcode-cn.com/problems/peeking-iterator/ ------设计题，迭代器
第二周
第一天
1 https://leetcode-cn.com/problems/number-of-provinces/ ------DFS
https://leetcode-cn.com/problems/graph-connectivity-with-threshold/solution/c-bing-cha-ji-by-teresai-2-85xx/ ------并查集
第二天
https://leetcode-cn.com/problems/shortest-path-with-alternating-colors/
https://leetcode-cn.com/problems/open-the-lock/
第三天：
https://leetcode-cn.com/problems/solve-the-equation/
https://leetcode-cn.com/problems/find-all-anagrams-in-a-string/
第四天：
https://leetcode-cn.com/problems/koko-eating-bananas/
https://leetcode-cn.com/problems/iterator-for-combination/
第五天：
https://leetcode-cn.com/problems/design-underground-system/
https://leetcode-cn.com/problems/partition-labels/
第三周
第一天：
https://leetcode-cn.com/problems/task-scheduler/
https://leetcode-cn.com/problems/jump-game/
第二天：
https://leetcode-cn.com/problems/replace-words/
https://leetcode-cn.com/problems/design-add-and-search-words-data-structure/
第三天
https://leetcode-cn.com/problems/brick-wall/
https://leetcode-cn.com/problems/game-of-life/
第四天
https://leetcode-cn.com/problems/daily-temperatures/
https://leetcode-cn.com/problems/max-consecutive-ones-iii/
第五天
https://leetcode-cn.com/problems/divide-two-integers/
https://leetcode-cn.com/problems/group-anagrams/
第四周
第一天
https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/
https://leetcode-cn.com/problems/replace-the-substring-for-balanced-string/
第二天
https://leetcode-cn.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters/
https://leetcode-cn.com/problems/word-search/
第三天
https://leetcode-cn.com/problems/prison-cells-after-n-days/
https://leetcode-cn.com/problems/minimum-area-rectangle/
第四天
https://leetcode-cn.com/problems/longest-palindromic-subsequence/
https://leetcode-cn.com/problems/as-far-from-land-as-possible/
第五天
https://leetcode-cn.com/problems/decrease-elements-to-make-array-zigzag/
https://leetcode-cn.com/problems/queue-reconstruction-by-height/
第五周
第一题：
https://leetcode-cn.com/problems/queens-that-can-attack-the-king/
第二题：
https://leetcode-cn.com/problems/minimum-number-of-frogs-croaking/
第三题：
https://leetcode-cn.com/problems/substring-with-concatenation-of-all-words/
