We are given N different types of stickers. Each sticker has a lowercase English word on it. You would like to spell out the giventargetstring by cutting individual letters from your collection of stickers and rearranging them. You can use each sticker more than once if you want, and you ...
♻️ 优化: Optimization: If the target can be spelled out by a group of stickers, at least one of them has to contain character target[0]. So I explicitly require next sticker containing target[0], which significantly reduced the search space. // 这个优化剪枝很神奇,可以避免潜在的对targ...
691 Stickers to Spell Word 贴纸拼词 Description: We are given n different types of stickers. Each sticker has a lowercase English word on it. You would like to spell out the given string target by cutting individual letters from your collection of stickers and rearranging them. You can use ...
一共2^N个状态,典型的bitmap应用,bit每一位的值表示对应字符是否已经被满足。 /** @lc app=leetcode id=691 lang=cpp** [691] Stickers to Spell Word*/// @lc code=startclassSolution{public:intminStickers(vector<string>&stickers,stringtarget){constintN=target.size(),M=1<<N;// bitmapvector...
the same colour as the dark water under the penguin.A killere whale below a penguin sees its white front,the same colour as the sky. Please input A killer whale about a penguin sees its black back, the same colour as the dark water under the penguin which you need to translate. A ...
Express yourself the way you want, with the most downloaded Fonts keyboard in the world! Feeling gothic? Or maybe looking for something more romantic? What are…
Her behavior is really worth admiring: She attends class might peaceful teacher not be called her to reply in front of question, she was does not say a word, she always did not say any in the classroom not about the study idle talk; She finishes class might be crazy, the finishing clas...
SEE ALSO:Put down the glitter. This app adds sparkles to your Instagrams. The new "poll" stickers allow users to add two-option queries to their Stories. Those who view your Story can then vote in the poll by tapping on one of the options. ...
水贴纸使用办法(How to use water stickers).doc,水贴纸使用办法(How to use water stickers) First of all, the principle of water stickers is dissolved in water pressure adhesive resin film on the back of the G after this sol and coating, so water paste i
LWC 53:691. Stickers to Spell Word 传送门:691. Stickers to Spell Word Problem: We are given N different types of stickers. Each sticker has a lowercase English word on it. You would like to spell out the given target string by cutting individual letters from your collection of stickers ...