Eroare de compilare: user.cpp:3:1: error: ‘ifstream’ does not name a type ifstream fin("concurs2.in"); ^~~~~~~~ user.cpp:4:1: error: ‘ofstream’ does not name a type ofstream fout("concurs2.out"); ^~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:28:5: error: ‘fin’ was not declared in this scope fin>>p; ^~~ user.cpp:39:5: error: ‘fout’ was not declared in this scope fout<<cont<<'\n'; ^~~~