Compilare: user.cpp: In function ‘int connect(point, point)’: user.cpp:45: warning: no return statement in function returning non-void user.cpp: In function ‘int main()’: user.cpp:85: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:86: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:88: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:93: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘point root(int, int)’: user.cpp:50: warning: ‘oy’ is used uninitialized in this function