Eroare de compilare: user.cpp:12:1: error: ‘ifstream’ does not name a type ifstream fin("copaci.in"); ^ user.cpp:13:1: error: ‘ofstream’ does not name a type ofstream fout("copaci.out"); ^ user.cpp: In function ‘int main()’: user.cpp:47:5: error: ‘fin’ was not declared in this scope fin >> N; ^ user.cpp:47:12: error: ‘N’ was not declared in this scope fin >> N; ^ user.cpp:64:43: error: ‘mod’ was not declared in this scope x = cmmdc( mod(v[i + 1].x - v[i].x), mod(v[i + 1].y - v[i].y) ); ^ user.cpp:70:5: error: ‘fout’ was not declared in this scope fout << a; ^