Issue with Resizing 2D Vector

Revision en1, by AlTarek, 2023-05-13 12:42:30

in this Problem https://mirror.codeforces.com/contest/1829/problem/E

I Got a runTime Error because of this way of resizing my vector

grid.resize(n, vector(m));

but when I used this

grid = vector<vector>(n, vector(m));

it worked ?! What is the difference?

https://mirror.codeforces.com/contest/1829/submission/205458152 => Runtime Error

https://mirror.codeforces.com/contest/1829/submission/205697075 => Acc

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en1 English AlTarek 2023-05-13 12:42:30 451 Initial revision (published)