Compilare: main.cpp: In function 'void citire()': main.cpp:51:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<varf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(i=0;i<G[1].size();i++) | ~^~~~~~~~~~~~ main.cpp: In function 'int prim()': main.cpp:73:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<varf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(i=0;i<G[vfmin].size();i++) | ~^~~~~~~~~~~~~~~~ main.cpp:78:25: warning: 'vfmin' may be used uninitialized in this function [-Wmaybe-uninitialized] 78 | tata[vf]=vfmin; | ~~~~~~~~^~~~~~