vector of vector

[mickey]

Hi, I need declare a vector of vector; is it possible? thanks

vector<QSpinBox*> sbz;
vector<QSpinBox*> sby;
vector<QSpinBox*> sbz;
vector<vector> sb; //error

vector<QSpinBox*> sbz;
vector<QSpinBox*> sby;
vector<QSpinBox*> sbz;
vector<vector> sb; //error

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