Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9: error: ‘ifstream’ was not declared in this scope user.cpp:9: error: expected ‘;’ before ‘in’ user.cpp:10: error: ‘ofstream’ was not declared in this scope user.cpp:10: error: expected ‘;’ before ‘out’ user.cpp:12: error: ‘in’ was not declared in this scope user.cpp:13: error: ‘strlen’ was not declared in this scope user.cpp:14: error: expected initializer before ‘<=’ token user.cpp:19: error: ‘out’ was not declared in this scope user.cpp:21: error: expected primary-expression before ‘return’ user.cpp:21: error: expected ‘)’ before ‘return’ user.cpp:14: warning: unused variable ‘i’