Compilare: main.cpp: In function 'void addHash(int)': main.cpp:12:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for(int i=0; i<h[e].size(); i++){ | ~^~~~~~~~~~~~ main.cpp: In function 'void delHash(int)': main.cpp:20:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i=0; i<h[e].size(); i++){ | ~^~~~~~~~~~~~ main.cpp: In function 'void queHash(int)': main.cpp:30:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i=0; i<h[e].size(); i++){ | ~^~~~~~~~~~~~