Compilare: user.cpp: In function ‘int main()’: user.cpp:53:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int t=0;t<s.length();t++) ^ user.cpp:57:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] summ=summ+max(ord[s[t-1]],ord[s[t+1]]); ^ user.cpp:57:61: warning: array subscript has type ‘char’ [-Wchar-subscripts] summ=summ+max(ord[s[t-1]],ord[s[t+1]]); ^ user.cpp:59:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=t;k<s.length();k++) ^