Compilare: main.cpp: In function 'int main()': main.cpp:62:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<val>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for(int i=start[nod]; i<graf[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:77:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 77 | if(sol.size()!=m+1) | ~~~~~~~~~~^~~~~ main.cpp:82:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for(int i=0; i<sol.size()-1; i++) | ~^~~~~~~~~~~~~