what does this ''(const vector<vector<int> > &A)" segment of code mean?
Question
I'm facing some issue in understanding the following segment of code (const vector<vector<int> > &A) . Will it define a 2D array?
1 answers
solution1
1 2019-07-27 13:02:36
const vector<vector<int> > &A表示A是对int vector s 的vector的const引用。
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