Initially on a notepad only one character 'A' is present. You can perform two operations on this notepad for each step: Copy All: You can copy all the characters present on the notepad (partial copy is not allowed). Paste: You can paste the character…

Imagine you have a special keyboard with the following keys: Key 1: (A): Print one 'A' on screen. Key 2: (Ctrl-A): Select the whole screen. Key 3: (Ctrl-C): Copy selection to buffer. Key 4: (Ctrl-V): Print buffer on screen appending it after what has…

Initially on a notepad only one character 'A' is present. You can perform two operations on this notepad for each step: Copy All: You can copy all the characters present on the notepad (partial copy is not allowed). Paste: You can paste the character…

Imagine you have a special keyboard with the following keys: Key 1: (A): Print one 'A' on screen. Key 2: (Ctrl-A): Select the whole screen. Key 3: (Ctrl-C): Copy selection to buffer. Key 4: (Ctrl-V): Print buffer on screen appending it after what has…

解法一: 暴力DFS搜索,对每一步进行复制还是粘贴的状态进行遍历. 注意剪枝的地方: 1.当前A数量大于目标数量,停止搜索 2.当前剪贴板数字大于等于A数量时,只搜索下一步为粘贴的状态. Runtime: 8 ms, faster than 46.69% of C++ online submissions for 2 Keys Keyboard. class Solution { public: ; int resNum = INT_MAX; int minSteps(int n) { targ…

LeetCode 第650题 Initially on a notepad only one character 'A' is present. You can perform two operations on this notepad for each step: Copy All: You can copy all the characters present on the notepad (partial copy is not allowed). Paste: You can past…

Initially on a notepad only one character 'A' is present. You can perform two operations on this notepad for each step: Copy All: You can copy all the characters present on the notepad (partial copy is not allowed). Paste: You can paste the character…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 递归 素数分解 日期 题目地址:https://leetcode.com/problems/2-keys-keyboard/description/ 题目描述 Initially on a notepad only one character 'A' is present. You can perform two operations on this…

Initially on a notepad only one character 'A' is present. You can perform two operations on this notepad for each step: Copy All: You can copy all the characters present on the notepad (partial copy is not allowed). Paste: You can paste the character…

［抄题］: Initially on a notepad only one character 'A' is present. You can perform two operations on this notepad for each step: Copy All: You can copy all the characters present on the notepad (partial copy is not allowed). Paste: You can paste the cha…