Exercise: Backtracking Problems on LeetCode II

1219. 黄金矿工 https://leetcode.cn/problems/path-with-maximum-gold

1219. Path with Maximum Gold https://leetcode.com/problems/path-with-maximum-gold

1849. 将字符串拆分为递减的连续值 https://leetcode.cn/problems/splitting-a-string-into-descending-consecutive-values

1849. Splitting a String Into Descending Consecutive Values https://leetcode.com/problems/splitting-a-string-into-descending-consecutive-values

1593. 拆分字符串使唯一子字符串的数目最大 https://leetcode.cn/problems/split-a-string-into-the-max-number-of-unique-substrings

1593. Split a String Into the Max Number of Unique Substrings https://leetcode.com/problems/split-a-string-into-the-max-number-of-unique-substrings

1079. 活字印刷 https://leetcode.cn/problems/letter-tile-possibilities

1079. Letter Tile Possibilities https://leetcode.com/problems/letter-tile-possibilities

996. 正方形数组的数目 https://leetcode.cn/problems/number-of-squareful-arrays

996. Number of Squareful Arrays https://leetcode.com/problems/number-of-squareful-arrays

784. 字母大小写全排列 https://leetcode.cn/problems/letter-case-permutation

784. Letter Case Permutation https://leetcode.com/problems/letter-case-permutation

638. 大礼包 https://leetcode.cn/problems/shopping-offers

638. Shopping Offers https://leetcode.com/problems/shopping-offers