原題地址:https://oj.leetcode.com/problems/count-and-say/ 題意: The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21 ...
題目來源: https: leetcode.com problems count and say 題意分析: 字符串列符合這樣的規則:連續出現字符的次數 上這個字符。比如 就是 個 ,也就是得到 。初始字符串是 。輸入一個正整數n,輸出滿足這個規則的第n個數。 題目思路: 這是一道簡單題。寫一個函數,輸入一個字符串,得到滿足規則的下一個字符串。重復這個函數n次就可以了。 代碼 python : V ...
2015-10-31 21:37 0 1918 推薦指數:
原題地址:https://oj.leetcode.com/problems/count-and-say/ 題意: The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21 ...
題目鏈接 The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ... 1 is read off as "one 1" or 11.11 ...
題目: The count-and-say sequence is the sequence of integers beginning as follows: 1, 11, 21, 1211, 111221, ... 1 is read off as "one 1" or 11. 11 ...
The count-and-say sequence is the sequence of integers with the first five terms as following: 1 is read off as "one 1" or 11.11 is read off ...
。 string unguarded_convert(const string &say ...
The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ... 1 is read off as "one 1" or 11.11 is read ...
初看題目很迷,Google看了各大神的解釋,才明白 原題連接:https://leetcode.com/problems/count-and-say/description/ 題目解釋:原題的意思就是用一個新的字符串描述上一個字符串,用數字表示上一個: 當n=1時:輸出1; 當n=2時 ...
參考:https://leetcode.com/discuss/79083/share-my-solution First of all, let's look at the naive solution. Preprocess to calculate the prefix ...