[LeetCode] Count of Range Sum 区间和计数

Given an integer array nums, return the number of range sums that lie in [lower, upper] inclusive. Range sum S(i, j) is defin...

[LeetCode] Count Univalue Subtrees 计数相同值子树的个数

Given a binary tree, count the number of uni-value subtrees. A Uni-value subtree means all nodes of the subtree have the same value. For example: Give...

[LeetCode] Count and Say 计数和读法

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&nb...

[LeetCode] Count The Repetitions 计数重复个数

Define S = [s,n] as the string S which consists of n connected strings s. For example, ["abc", 3] ="abcabcabc". On the other hand,...

[LeetCode] Count Different Palindromic Subsequences 计数不同的回文子序列的个数

Given a string S, find the number of different non-empty palindromic subsequences in S, and return that number modulo 10^9 + 7. A subsequenc...

LeetCode 204 Count Primes(质数计数)(*)

版权声明:转载请联系本人,感谢配合!本站地址:http://blog.csdn.net/nomasp https://blog.csdn.net/NoMasp/article/details/50617645 翻译 计算小于一个非负整数n的质数的个数。 原文 Count the numbe...

LeetCode 38 Count and Say(计数与报数)

翻译 计数报数序列按如下规律开始递增: 1,11,21,1211,111221,…… 1 读作“1个1”或11. 11 读作“2个1”或21. 21 读作“1个2,1个1”或1211. 给定一个整数n,生成第n个序列。 备注:数字序列应该用字符串表示。 原文 The count-and-say se...

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