Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:10:10: error: ‘x’ was not declared in this scope fin>>x>>y; ^ user.cpp:9:9: warning: unused variable ‘n’ [-Wunused-variable] int n,y,par1=0,par2=0,s=0; ^ user.cpp:9:13: warning: unused variable ‘par1’ [-Wunused-variable] int n,y,par1=0,par2=0,s=0; ^ user.cpp:9:20: warning: unused variable ‘par2’ [-Wunused-variable] int n,y,par1=0,par2=0,s=0; ^ user.cpp:9:27: warning: unused variable ‘s’ [-Wunused-variable] int n,y,par1=0,par2=0,s=0; ^