Eroare de compilare: main.cpp: In function 'long long int arie(coord, coord, coord)': main.cpp:24:13: error: expected primary-expression before 'long' 24 | return (long long(a.x * (b.y - c.y)) + long long(b.x * (c.y - a.y)) + long long (c.x * (a.y - b.y))); | ^~~~ main.cpp:24:13: error: expected ')' before 'long' 24 | return (long long(a.x * (b.y - c.y)) + long long(b.x * (c.y - a.y)) + long long (c.x * (a.y - b.y))); | ~^~~~ | ) Non zero exit status: 1