Compilare: user.cpp: In function ‘void rezab()’: user.cpp:34:5: warning: unused variable ‘a’ [-Wunused-variable] int a,i,j=0,q=0,su=0,el=0; ^ user.cpp:34:9: warning: unused variable ‘j’ [-Wunused-variable] int a,i,j=0,q=0,su=0,el=0; ^ user.cpp: In function ‘int main()’: user.cpp:82:5: warning: unused variable ‘i’ [-Wunused-variable] int i,a,j=0; ^ user.cpp:82:7: warning: unused variable ‘a’ [-Wunused-variable] int i,a,j=0; ^ user.cpp:82:9: warning: unused variable ‘j’ [-Wunused-variable] int i,a,j=0; ^ user.cpp: In function ‘void rezc()’: user.cpp:60:8: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] j++; ^