Compilare: user.cpp: In function ‘int main()’: user.cpp:47:19: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a[i]=='.') ^ user.cpp:9:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,nr,n,max,l,OK=1; ^ user.cpp:9:13: warning: unused variable ‘nr’ [-Wunused-variable] int i,j,nr,n,max,l,OK=1; ^ user.cpp:9:18: warning: unused variable ‘max’ [-Wunused-variable] int i,j,nr,n,max,l,OK=1; ^