Compilare: main.cpp: In function 'int main()': main.cpp:97:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elev>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 97 | for(int i=0; i<v.size() && ck1 > 0; i++) | ~^~~~~~~~~ main.cpp:105:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elev>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for(int i=0; i<w.size() && ck2 > 0; i++) | ~^~~~~~~~~