Compilare: user.cpp: In function ‘void adauga(int)’: user.cpp:29:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < Hash[hashKey].size(); i++) ^ user.cpp:28:33: warning: unused variable ‘i’ [-Wunused-variable] int hashKey = aux % modulo, i; ^ user.cpp: In function ‘int search(int)’: user.cpp:48:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < Hash[hashKey].size(); i++) ^ user.cpp:47:33: warning: unused variable ‘i’ [-Wunused-variable] int hashKey = aux % modulo, i; ^ user.cpp: In function ‘void sterge(int)’: user.cpp:66:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < Hash[hashKey].size(); i++) ^ user.cpp:65:33: warning: unused variable ‘i’ [-Wunused-variable] int hashKey = aux % modulo, i; ^ user.cpp: In function ‘void dfs(int, int)’: user.cpp:82:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ^