Compilare: main.cpp: In function 'int getMinConex(int)': main.cpp:47:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int i = 0; i < v[id].size(); i ++) | ~~^~~~~~~~~~~~~~ main.cpp:58:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int i = 0; i < v[e.b].size(); i ++){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:130:9: warning: 'i' may be used uninitialized [-Wmaybe-uninitialized] 130 | int i, nre = 0; | ^