Compilare: user.cpp: In function ‘int main()’: user.cpp:30:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(v[n].s);i++) ^ user.cpp:31:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] dim[n]+=a[v[n].s[i]]; ^ user.cpp:40:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(nr<strlen(v[n-1].s)) ^ user.cpp:55:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] quant+=a[v[i].s[t]]; ^