Compilare: user.cpp: In function ‘bool ciur(int)’: user.cpp:28: warning: no return statement in function returning non-void user.cpp: In function ‘int main()’: user.cpp:49: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:54: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result