Compilare: user.cpp: In function ‘void Prim()’: user.cpp:22:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[1].size(); i++) ~~^~~~~~~~~~~~~ user.cpp:34:3: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation] while(viz[coada.top().second.second]) ^~~~~ user.cpp:36:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘while’ t++; ^ user.cpp:46:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[nodCurent].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:65:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < sol.size(); i++) ~~^~~~~~~~~~~~