Section vectors quiz

#1

The statement vector< vector< int > > matrix(100, vector < int > (50, 100) ) declares :

i do not understand this question. please explain

#2

@mkidwai74 post the question here please (i cant see which one you are talking about)

#3

Screenshot (1782)
Screenshot (1782)1366×768 97.7 KB

#4

@mkidwai74 you have to tell what this declaration represents . i think the answer should be A

#5

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