Borderou de evaluare (job #546961)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:45:2: error: ‘ifstream’ was not declared in this scope user.cpp:45:11: error: expected ‘;’ before ‘ci’ user.cpp:46:2: error: ‘ofstream’ was not declared in this scope user.cpp:46:11: error: expected ‘;’ before ‘co’ user.cpp:49:5: error: ‘ci’ was not declared in this scope user.cpp:49:9: error: ‘n’ was not declared in this scope user.cpp:50:5: error: expected ‘;’ before ‘for’ user.cpp:50:21: error: ‘i’ was not declared in this scope user.cpp:50:36: error: expected ‘;’ before ‘)’ token user.cpp:61:5: error: ‘co’ was not declared in this scope user.cpp:62:5: error: expected ‘;’ before ‘while’