Compilare: user.cpp: In function ‘int main()’: user.cpp:121:17: warning: unused variable ‘pozSt’ [-Wunused-variable] int pozSt,pozDr; ^ user.cpp:121:23: warning: unused variable ‘pozDr’ [-Wunused-variable] int pozSt,pozDr; ^ user.cpp:150:45: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(viz.find(query) != viz.end() && Hash.find(query) == Hash.end() || Hash[query].empty()) ^