Compilare: user.cpp: In function ‘bool bell(int)’: user.cpp:56:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void citire()’: user.cpp:65:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (in,"%d%d",&n,&a); ^ user.cpp:69:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (in,"%d%d%d",&x,&y,&c); ^