Compilare: user.cpp: In function ‘int main()’: user.cpp:12:9: warning: unused variable ‘e2’ [-Wunused-variable] int e2=0, e1, nrs=1, c=1; //cerinta 1 ^ user.cpp:12:15: warning: unused variable ‘e1’ [-Wunused-variable] int e2=0, e1, nrs=1, c=1; //cerinta 1 ^ user.cpp:12:19: warning: unused variable ‘nrs’ [-Wunused-variable] int e2=0, e1, nrs=1, c=1; //cerinta 1 ^