how to get size of 2d vector in c++
myVector[
Vector[0, 4, 2, 5],
Vector[1, 4, 2]
];
/*When you call for myVector[1].size() it would return 3 and [0] would return 4.
For the amount of rows (int vectors) in the 2d vector, you can just use myVector.size()
You can run this to see it in actions*/how to declare a 2D vector in c++ of size m*n with value 0
vector<vector<int>>(M,vector<int>(N,0));Copyright © 2021 Codeinu
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