Compilare: main.cpp: In function 'int main()': main.cpp:89:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for ( j = 0; j < grupe[i].size() - 1; ++j ) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:99:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<ura>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for ( i = 0; i < rasp.size(); ++i ) | ~~^~~~~~~~~~~~~