Compilare: user.cpp: In function ‘bool cmp(cutie, cutie)’: user.cpp:15:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a.z==b.z) ^ user.cpp: In function ‘int update(int, int, int)’: user.cpp:36:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^