How to clear a 2d vector

#1

how to clear a 2d vector for many test cases

#2

@deepakgrg3011
you can just use clear() function present in STL
clear() function is used to remove all the elements of the vector container, thus making it size 0.

eg:- v = {1, 2, 3, 4, 5};
v.clear();

Thats it!

#3

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