Eroare de compilare: main.cpp: In function 'int sum(int, int, int)': main.cpp:26:18: error: 'upper_bound' was not declared in this scope 26 | rez += ( upper_bound( t[ i ].begin(), t[ i ].end(), dr ) - lower_bound( t[ i ].begin(), t[ i ].end(), st ) ); | ^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:42:5: error: 'sort' was not declared in this scope; did you mean 'qsort'? 42 | sort( p + 1, p + 1 + n ); | ^~~~ | qsort main.cpp:53:20: error: 'upper_bound' was not declared in this scope 53 | int x2 = ( upper_bound( x + 1, x + 1 + n, c ) - x ); | ^~~~~~~~~~~ Non zero exit status: 1