Compilare: main.cpp: In function 'void prepareMaster(typeTypes&)': main.cpp:63:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Piil>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int i = 1; i < master.size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp:72:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Piil>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int i = 1; i < master.size(); i++) | ~~^~~~~~~~~~~~~~~