Compilare: main.cpp: In function 'void pune(int)': main.cpp:66:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for (i = 0; i<v[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void sterge(int)': main.cpp:77:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for (i = 0; i<v[x].size(); i++) | ~^~~~~~~~~~~~