Leetcode -> 17 letter combination of phone number

Enterprise 2023-09-13 23:51:02 views: null

topic

Insert image description here

Algorithm ideas and code implementation

Ideas: Backtracking
Insert image description here **
Backtracking thoughts:

Code implementation **

#include <iostream> 
#include <vector>
#include <unordered_map>
using

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Origin blog.csdn.net/xiaojinger_123/article/details/127793157

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