Compilare: user.cpp: In function ‘int main()’: user.cpp:53:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<strlen(c); ++i) ^ user.cpp:54:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] valori[c[i]]=x[i]; ^ user.cpp:59:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<strlen(v[i].nume); ++j) ^ user.cpp:60:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[i].val+=valori[v[i].nume[j]]; ^