Compilare: main.cpp: In function 'void adauga(int)': main.cpp:19:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( i < myHash[cod].size() && myHash[cod][i] != x ) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:21:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( i == myHash[cod].size() ) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void sterge(int)': main.cpp:30:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( i < myHash[cod].size() && myHash[cod][i] != x ) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:32:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( i < myHash[cod].size() ) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool cauta(int)': main.cpp:41:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( i < myHash[cod].size() && myHash[cod][i] != x ) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:44:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] return i < myHash[cod].size(); ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:71:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^