Compilare: user.cpp: In function ‘int main()’: user.cpp:20:27: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[22]’ [-Wformat=] while(scanf("%s ",&aux)!=EOF) ^ user.cpp:18:16: warning: unused variable ‘j’ [-Wunused-variable] int nr=0,i,j,sol=0,a,b; ^ user.cpp:19:10: warning: unused variable ‘c’ [-Wunused-variable] char c,c2; ^ user.cpp:19:12: warning: unused variable ‘c2’ [-Wunused-variable] char c,c2; ^