Compilare: main.cpp: In function 'int main()': main.cpp:59:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<val>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for (int i = start[nod]; i < graf[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:76:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 76 | if (sol.size() != m + 1) | ~~~~~~~~~~~^~~~~~~~ main.cpp:81:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for (int i = 0; i < sol.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~