Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp:4: error: ‘ifstream’ does not name a type user.cpp:5: error: ‘ofstream’ does not name a type user.cpp: In function ‘int circle_circle_intersection(double, double, double, double, double, double)’: user.cpp:14: error: ‘g’ was not declared in this scope user.cpp:18: error: ‘g’ was not declared in this scope user.cpp:23: error: ‘g’ was not declared in this scope user.cpp:37: error: ‘g’ was not declared in this scope user.cpp:10: warning: unused variable ‘rez’ user.cpp: In function ‘int main()’: user.cpp:45: error: ‘f’ was not declared in this scope user.cpp:50: error: ‘g’ was not declared in this scope