#include <iostream>
#include <vector>
using namespace std;
 
int main()
{
   const size_t n= 4; // Размер "внешнего" вектора	 
   const size_t m= 3; // Размер "внутренних" векторов
   int value= 5; // Значение которым инициализируем
   vector<vector<int> >  vvi(n,vector<int>(m, value));
 
   cout<< vvi.size() << endl;
   cout<< vvi[0].size() << endl; 
   cout<< vvi[2][2] << endl;  // значение в "ячейке" 2:2
 
	return 0;
}

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