Compilare: main.cpp: In function 'int main()': main.cpp:32:14: warning: array subscript has type 'char' [-Wchar-subscripts] val[v1[0]]=poz; ^ main.cpp:37:22: warning: array subscript has type 'char' [-Wchar-subscripts] val[v1[i]]=poz; ^ main.cpp:42:22: warning: array subscript has type 'char' [-Wchar-subscripts] val[v1[i]]=poz; ^ main.cpp:47:28: warning: array subscript has type 'char' [-Wchar-subscripts] sa[i+1][0]=val[s[i]]; ^