Compilare: main.cpp: In function 'void display()': main.cpp:27:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int i=0 ; i < vR.size();i++){ | ~~^~~~~~~~~~~ main.cpp:31:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int i=0 ; i < vC.size();i++){ | ~~^~~~~~~~~~~