Compilare: main.cpp: In member function 'void Hash::deleteItem(long long unsigned int)': main.cpp:38:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < table[index].size(); i++){ ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:39:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (table[index][i] == key) ^~ main.cpp:41:11: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' break; ^~~~~ main.cpp: In member function 'bool Hash::findItem(int, long long unsigned int)': main.cpp:48:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < table[index].size(); i++){ ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type] } ^