S個人牆佛朗火箭製造基18 分鐘1111. Maximum Nesting Depth of Two Valid Parentheses Strings 解題紀錄A string is a valid parentheses string （denoted VPS） if and only if it consists of "（" and "）" chara
S個人牆佛朗火箭製造基5 天1096. Brace Expansion II 解題紀錄Under the grammar given below， strings can represent a set of lowercase words. Let R（expr） denote th97
S個人牆佛朗火箭製造基5 天3550. Smallest Index With Digit Sum Equal to Index 解題紀錄You are given an integer array nums.，Return the smallest index i such that the sum of the digits of 81
