Compilare: main.cpp: In function 'bool contineE(std::string)': main.cpp:33:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for(int i=0; i<s.size(); i++){ | ~^~~~~~~~~ main.cpp: In function 'void dfs(int, int)': main.cpp:58:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Nod>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int i=0; i<G[nod].size(); i++){ | ~^~~~~~~~~~~~~~ main.cpp: In function 'long long int dijkstra(int)': main.cpp:98:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Nod>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for(int i=0; i<G[nod].size(); i++){ | ~^~~~~~~~~~~~~~ main.cpp:111:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Nod>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 111 | for(int j=0; j<G[p].size(); j++){ | ~^~~~~~~~~~~~