Compilare: user.cpp: In function ‘bool evl(char*, int)’: user.cpp:82:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( vl[c[i]] > vl[s[x]] ) ^ user.cpp:82:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( vl[c[i]] > vl[s[x]] ) ^ user.cpp:86:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (vl[s[x]]>=vl[c[i]]) ^ user.cpp:86:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (vl[s[x]]>=vl[c[i]]) ^ user.cpp:104:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] t[++y]=vrx[c[i]]; ^ user.cpp: In function ‘bool gnr()’: user.cpp:123:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] vrx[vrc[j]]=((i>>(j-1))&1); ^ user.cpp: In function ‘int main()’: user.cpp:148:17: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin >> a+1 >> b+1; ^ user.cpp:148:24: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin >> a+1 >> b+1; ^