How to use iterator to operate a two-dimensional array created by vector?

minotaurus · Post time: 2020-1-28 23:36:01

OK, thank you for pointing!

玛娜德的影子 · Post time: 2020-8-26 08:00:01

If you define vector<vector<int>> a(3, vector<int>(4));//It is equivalent to a 3×4 integer array.

What about assigning values to the element a[2][3]?

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