Compilare: main.cpp: In function 'int main()': main.cpp:118:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 118 | if (nrp > pd.size()) out << -1; | ~~~~^~~~~~~~~~~ main.cpp:103:11: warning: unused variable 'acd' [-Wunused-variable] 103 | coord acd = {0, 0, inf}; | ^~~ main.cpp:104:11: warning: unused variable 'general' [-Wunused-variable] 104 | coord general = {0, 0, 0}; | ^~~~~~~ main.cpp:105:10: warning: unused variable 'usable' [-Wunused-variable] 105 | bool usable = 1; | ^~~~~~