Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp:5: error: expected ‘,’ or ‘;’ before ‘char’ user.cpp: In function ‘int convert(int, int)’: user.cpp:9: error: ‘s’ was not declared in this scope user.cpp:23: error: ‘st’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:40: error: ‘ifstream’ was not declared in this scope user.cpp:40: error: expected ‘;’ before ‘fin’ user.cpp:41: error: ‘ofstream’ was not declared in this scope user.cpp:41: error: expected ‘;’ before ‘fout’ user.cpp:42: error: ‘fin’ was not declared in this scope user.cpp:42: error: ‘st’ was not declared in this scope user.cpp:47: error: ‘s’ was not declared in this scope user.cpp:50: error: ‘fout’ was not declared in this scope user.cpp:53: error: ‘fout’ was not declared in this scope user.cpp:39: warning: unused variable ‘j’