Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp:3: error: ‘ifstream’ does not name a type user.cpp:4: error: ‘ofstream’ does not name a type user.cpp: In function ‘void citire()’: user.cpp:13: error: ‘fin’ was not declared in this scope user.cpp:11: warning: unused variable ‘i’ user.cpp: In function ‘int Dist(int, int)’: user.cpp:20: error: ‘sqrt’ was not declared in this scope user.cpp: In function ‘void calc()’: user.cpp:29: error: ‘fin’ was not declared in this scope user.cpp:55: error: ‘fout’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:65: error: ‘fin’ was not declared in this scope user.cpp:66: error: ‘fout’ was not declared in this scope