Eroare de compilare: user.cpp:3:1: error: ‘ifstream’ does not name a type ifstream f("flip.in"); ^~~~~~~~ user.cpp:4:1: error: ‘ofstream’ does not name a type ofstream g("flip.out"); ^~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:10:5: error: ‘f’ was not declared in this scope f>>n>>m; ^ user.cpp:47:5: error: ‘g’ was not declared in this scope g<<suma; ^