Eroare de compilare: main.cpp: In function 'int main()': main.cpp:60:12: error: found ':' in nested-name-specifier, expected '::' for (p : hull) out << v[p].x << " " << v[p].y << "\n"; ^ main.cpp:60:10: error: 'p' has not been declared for (p : hull) out << v[p].x << " " << v[p].y << "\n"; ^ main.cpp:61:5: error: expected primary-expression before 'return' return 0; ^~~~~~ main.cpp:61:5: error: expected ';' before 'return' main.cpp:61:5: error: expected primary-expression before 'return' main.cpp:61:5: error: expected ')' before 'return' main.cpp:39:9: warning: unused variable 'q' [-Wunused-variable] pct q; ^ Non zero exit status: 1