题目链接:https://leetcode.com/problems/split-array-into-fibonacci-sequence/description/ 占坑. string 的数值转换函数(c++11)介绍 :https://blog.csdn.net/calmreason/article/details/41204211 答案可参考:https://leetcode.com/problems/split-array-into-fibonacci-sequence/discuss…

原题链接在这里:https://leetcode.com/problems/split-array-into-fibonacci-sequence/ 题目: Given a string S of digits, such as S = "123456579", we can split it into a Fibonacci-like sequence [123, 456, 579]. Formally, a Fibonacci-like sequence is a list F o…

Given a string S of digits, such as S = "123456579", we can split it into a Fibonacci-like sequence [123, 456, 579]. Formally, a Fibonacci-like sequence is a list F of non-negative integers such that: 0 <= F[i] <= 2^31 - 1, (that is, each…

［抄题］: Given a string S of digits, such as S = "123456579", we can split it into a Fibonacci-like sequence [123, 456, 579]. Formally, a Fibonacci-like sequence is a list F of non-negative integers such that: 0 <= F[i] <= 2^31 - 1, (that is,…

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 日期 题目地址:https://leetcode.com/problems/split-array-into-fibonacci-sequence/description/ 题目描述 Given a string S of digits, such as S = "123456579", we can split it into a Fib…

Given a string S of digits, such as S = "123456579", we can split it into a Fibonacci-like sequence [123, 456, 579]. Formally, a Fibonacci-like sequence is a list F of non-negative integers such that: 0 <= F[i] <= 2^31 - 1, (that is, each…

Given a string S of digits, such as S = "123456579", we can split it into a Fibonacci-like sequence [123, 456, 579]. Formally, a Fibonacci-like sequence is a list F of non-negative integers such that: 0 <= F[i] <= 2^31 - 1, (that is, each…

Weekly Contest 86 A:840. 矩阵中的幻方 3 x 3 的幻方是一个填充有从 1 到 9 的不同数字的 3 x 3 矩阵,其中每行,每列以及两条对角线上的各数之和都相等. 给定一个由整数组成的 N × N 矩阵,其中有多少个 3 × 3 的 “幻方” 子矩阵?(每个子矩阵都是连续的). 直接模拟即可,本来是签到题,由于粗心,浪费了时间. class Solution { public: int numMagicSquaresInside(vector<vector<int&…

题目链接:https://leetcode.com/problems/guess-the-word/description/ 占坑 据说要用启发式算法,可参考下述答案进行学习:https://leetcode.com/problems/guess-the-word/discuss/133862/Random-Guess-and-Minimax-Guess-with-Comparison…

题目链接:https://leetcode.com/problems/keys-and-rooms/description/ 简单DFS time:9ms 1 class Solution { 2 public: 3 void DFS(int root,vector<int>& visited,vector<vector<int>>& rooms){ 4 visited[root] = 1; 5 for(auto x : rooms[root]){ 6…