grbava matrica

#include <iostream>
#include <vector>
#include <string>


typedef std::vector<std::vector<int>> Matrica;

void Dalijematrica(std::vector<std::vector<int>> m)
{
    for (int i(0); i<m.size(); i++)
    {
        bool grbavamatrica(false);
        for (int j(0); j<m[i].size(); i++)
        {
            if (m[i].size()!=m[i+1].size() )
            {
                grbavamatrica=true;
            }

          if(grbavamatrica) throw(m);
        }
    }


}


int main()
{

    int m,n;
    Matrica matrica{ {1,2,3,4},{1,2,3},{1,2}};

    /* std::cout<<"Unesi broj redova matrice: \n";
    std::cin>>m;
    std::cout<<"Unesi broj kolona matrice:\n";
    std::cin>>n;
     Matrica matrica (m, std::vector<int> (n));
     std::cout<<"Unesi clanove matrice..\n";
     for (int i(0); i<m; i++)
     {
         for (int j(0); j<n; j++)
         {
             std::cin >> matrica[i][j];
         }
     }*/
     try
     {
         (Dalijematrica(matrica));
     }
     catch(...)
     {
         std::cout<<"bla bla pogresno.. ";
     }


    return 0;
}