Compilare: user.cpp: In function ‘int lee()’: user.cpp:51:9: warning: unused variable ‘ux’ [-Wunused-variable] int ux,uy,xx,uu,i; ^ user.cpp:51:12: warning: unused variable ‘uy’ [-Wunused-variable] int ux,uy,xx,uu,i; ^ user.cpp:51:15: warning: unused variable ‘xx’ [-Wunused-variable] int ux,uy,xx,uu,i; ^ user.cpp:51:18: warning: unused variable ‘uu’ [-Wunused-variable] int ux,uy,xx,uu,i; ^ user.cpp:51:21: warning: unused variable ‘i’ [-Wunused-variable] int ux,uy,xx,uu,i; ^ user.cpp:53:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:57:28: warning: unused variable ‘ux’ [-Wunused-variable] int ng=0,nr=0,nb=0,j,i,ux,uy,mix=444441,mn=444441; ^ user.cpp:57:31: warning: unused variable ‘uy’ [-Wunused-variable] int ng=0,nr=0,nb=0,j,i,ux,uy,mix=444441,mn=444441; ^ user.cpp:57:34: warning: unused variable ‘mix’ [-Wunused-variable] int ng=0,nr=0,nb=0,j,i,ux,uy,mix=444441,mn=444441; ^ user.cpp:57:45: warning: unused variable ‘mn’ [-Wunused-variable] int ng=0,nr=0,nb=0,j,i,ux,uy,mix=444441,mn=444441; ^