Eroare de compilare: main.cpp:9:11: error: ISO C++ forbids declaration of 'operator<' with no type [-fpermissive] 9 | const operator < (vrajeala ceva) const{ | ^~~~~~~~ main.cpp: In function 'int Kruskal()': main.cpp:54:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<vrajeala>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(i=0;i<v.size();i++){ | ~^~~~~~~~~ main.cpp:68:1: warning: no return statement in function returning non-void [-Wreturn-type] 68 | } | ^ Non zero exit status: 1