Compilare: main.cpp: In function 'void Sterge(int)': main.cpp:17:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < Hash[mod].size(); i++) ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int Vf(int)': main.cpp:26:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < Hash[mod].size(); i++) ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void Adauga(int)': main.cpp:32:9: warning: unused variable 'i' [-Wunused-variable] int i; ^ main.cpp: In function 'int main()': main.cpp:42:16: warning: unused variable 'i' [-Wunused-variable] int op, x, i; ^