Compilare: user.cpp: In function ‘bool cmp1(cut, cut)’: user.cpp:26:27: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a.y==b.y) ^ user.cpp:23:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a.x==b.x) ^ user.cpp: In function ‘int scm()’: user.cpp:48:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:51:11: warning: unused variable ‘i1’ [-Wunused-variable] int i,i1,j,maxx; ^ user.cpp:51:16: warning: unused variable ‘maxx’ [-Wunused-variable] int i,i1,j,maxx; ^ user.cpp: In function ‘bool cmp1(cut, cut)’: user.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type] } ^