Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:183:5: error: ‘fin’ was not declared in this scope fin >> N >> type; ^~~ user.cpp:180:9: warning: unused variable ‘i’ [-Wunused-variable] int i , rv , n , k , e; ^ user.cpp:180:13: warning: unused variable ‘rv’ [-Wunused-variable] int i , rv , n , k , e; ^~ user.cpp:180:18: warning: unused variable ‘n’ [-Wunused-variable] int i , rv , n , k , e; ^ user.cpp:180:22: warning: unused variable ‘k’ [-Wunused-variable] int i , rv , n , k , e; ^ user.cpp:180:26: warning: unused variable ‘e’ [-Wunused-variable] int i , rv , n , k , e; ^ user.cpp:181:10: warning: unused variable ‘ch’ [-Wunused-variable] char ch; ^~