Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:16:17: error: variable ‘std::ifstream fin’ has initializer but incomplete type ifstream fin("alee.in"); ^ user.cpp:17:18: error: variable ‘std::ofstream fout’ has initializer but incomplete type ofstream fout("alee.out"); ^ user.cpp:27:20: error: incompatible types in assignment of ‘int’ to ‘int [178]’ a[0]=a[n+1]=-1; ^ user.cpp:28:17: error: incompatible types in assignment of ‘int’ to ‘int [178]’ a=a[n+1]=-1; ^