Compilare: main.cpp: In function 'bool srch(int)': main.cpp:11:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for (int i=0;i<h[x%MOD].size();i++) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void del(int)': main.cpp:16:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for (int i=0;i<h[x%MOD].size();i++) | ~^~~~~~~~~~~~~~~~