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 ...
題意是n 時輸出字符串 n 時,數上次字符串中的數值個數,因為上次字符串有 個 ,所以輸出 n 時,由於上次字符是 ,有 個 ,所以輸出 n 時,由於上次字符串是 ,有 個 和 個 ,所以輸出 。依次類推,寫個countAndSay n 函數返回字符串。 string unguarded convert const string amp say stringstream ss int count ...
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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 ...
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 ...
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 ...
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“11”就是2個1,也就是得到“21”。初始字符串是“1”。輸入一個正整數n,輸出滿足這個規則的第n ...
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 ...
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 ...
2 ...