Compilare: main.cpp: In function 'void solve()': main.cpp:77:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for (int i = 0; i < compConexe.size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:79:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for (int j = 0; j < compConexe[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:124:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 124 | for (int i = 0; i < rez.size(); ++i) { | ~~^~~~~~~~~~~~ main.cpp:126:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for (int j = 0; j < rez[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~