Compilare: main.cpp: In function 'void adauga_in_hash(int)': main.cpp:14:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < hash_table[corespondenta].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:14:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 0; i < hash_table[corespondenta].size(); i++) ^~~ main.cpp:19:8: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if( ok == 0) ^~ main.cpp: In function 'void sterge_din_hash(int)': main.cpp:26:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < hash_table[corespondenta].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:25:9: warning: variable 'ok' set but not used [-Wunused-but-set-variable] int ok = 0; ^~ main.cpp: In function 'int gaseste_element(int)': main.cpp:39:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i< hash_table[corespondenta].size() && ok == 0; i++) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~