Compilare: main.cpp: In function 'bool adauga(int)': main.cpp:20:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( i < myHash[cod].size() && myHash[cod][i].a != x ) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:22:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( i == myHash[cod].size() ) { ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool sterge(int)': main.cpp:35:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( i < myHash[cod].size() && myHash[cod][i].a != x ) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:37:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( i < myHash[cod].size() ) { ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:40: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d", &n, &l, &u ); ^ main.cpp:70:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i] ); ^