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The idea is very simple: just extract the numbers from each version number and compare the numbers from beginning to the end. However, C++ seems to ha... 阅读全文
摘要：
The basic idea is to store the key-value pair in some container. In the following code, we make three type definitions:1 typedef list LI;2 typedef pai... 阅读全文
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The idea is similar to Strobogrammatic Number II: generate all those in-range strobogrammatic numbers and count.You may refer to this link for a very ... 阅读全文
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Problem Description:Givennnodes labeled from0ton - 1and a list of undirected edges (each edge is a pair of nodes), write a function to check whether t... 阅读全文
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A typical DFS problem. Just go ahead... 1 class Solution { 2 public: 3 bool exist(vector>& board, string word) { 4 int m = board.size(), n... 阅读全文