Compilare: main.cpp: In function 'int main()': main.cpp:61:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for (int i = 0; i < lista[nodCurent].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:80:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for (int i = 1; i < sol.size(); ++i) | ~~^~~~~~~~~~~~ main.cpp:70:60: warning: 'ultima' may be used uninitialized in this function [-Wmaybe-uninitialized] 70 | sol[lista[nodCurent][i].first] = ultima;