Compilare: main.cpp: In function 'int main()': main.cpp:16:36: warning: array subscript has type 'char' [-Wchar-subscripts] v[c-'a'+1]=v[c-'a'+1]+adn[nrp]; ^ main.cpp:22:42: warning: array subscript has type 'char' [-Wchar-subscripts] v[c1-'a'+1]=v[c1-'a'+1] - adn[nrp]; ^ main.cpp:27:16: warning: array subscript has type 'char' [-Wchar-subscripts] adn[nrp]=-adn[nrp-1]; ^ main.cpp:32:14: warning: array subscript has type 'char' [-Wchar-subscripts] adn[nrp]=adn[nrp-1]; ^