length of 2d array c++
int rows = sizeof(arr) / sizeof(arr[0]); // returns rows
int col = sizeof(arr[0]) / sizeof(int); // returns collength of 2d array c++
int rows = sizeof(arr) / sizeof(arr[0]); // returns rows
int col = sizeof(arr[0]) / sizeof(int); // returns colsize of a matrix c++
std::vector< std::vector<int> > my_array; /* 2D Array */
my_array.size(); /* size of y */
my_array[0].size(); /* size of x */Copyright © 2021 Codeinu
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