Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp:2:21: error: iostream.h: No such file or directory user.cpp:5: warning: ISO C++ forbids declaration of ‘main’ with no type user.cpp: In function ‘int main()’: user.cpp:6: error: ‘ifstream’ was not declared in this scope user.cpp:6: error: expected ‘;’ before ‘f’ user.cpp:7: error: ‘ofstream’ was not declared in this scope user.cpp:7: error: expected ‘;’ before ‘g’ user.cpp:10: error: ‘f’ was not declared in this scope user.cpp:11: error: invalid types ‘long double [2000000][long double]’ for array subscript user.cpp:11: error: invalid types ‘long double [2000000][long double]’ for array subscript user.cpp:11: error: ‘g’ was not declared in this scope user.cpp:11: error: ‘endl’ was not declared in this scope user.cpp:12: error: expected identifier before ‘(’ token user.cpp:12: error: expected ‘;’ before ‘(’ token user.cpp:9: warning: unused variable ‘u’ user.cpp:22: error: expected ‘}’ at end of input