Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like ...
題目鏈接 Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters just like on the telephone buttons is given below. Note: Although the ...
2014-06-05 22:17 0 3383 推薦指數:
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like ...
經典的backtracking(回溯算法)的題目。當一個題目,存在各種滿足條件的組合,並且需要把它們全部列出來時,就可以考慮backtracking了。當然,backtracking在一定程度上屬 ...
Letter Combinations of a Phone Number Given a digit string, return all possible letter combinations that the number could represent. A mapping ...
原題地址:https://oj.leetcode.com/problems/letter-combinations-of-a-phone-number/ 題意: Given a digit string, return all possible letter combinations ...
題目: Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like ...
題目描述 給定一個僅包含數字 2-9 的字符串,返回所有它能表示的字母組合。 給出數字到字母的映射如下(與電話按鍵相同)。注意 1 不對應任何字母。 示例: ...
Given a string containing digits from 2-9inclusive, return all possible letter combinations that the number could represent. A mapping of digit ...
題目鏈接 Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. For example, If n = 4 and k = 2, a solution ...