Compilare: main.cpp: In function 'int SolveMST(std::vector<int>, std::vector<Edge>)': main.cpp:62:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < compedges.size(); ++i) ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:118:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0;i < compnodes.size(); ++i) ~~^~~~~~~~~~~~~~~~~~