Compilare: main.cpp: In function 'int main()': main.cpp:69:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<val>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for (int i = start[nod]; i < graf[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:86:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 86 | if (sol.size() != m + 1) | ~~~~~~~~~~~^~~~~~~~ main.cpp:91:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for (int i = 0; i < sol.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~