Compilare: user.cpp: In function ‘int main()’: user.cpp:11:13: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>> s + 1 >> d + 1; ^ user.cpp:11:22: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>> s + 1 >> d + 1; ^ user.cpp:16:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] add[ s[i] ]++; ^ user.cpp:29:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(ff[ s[i] ] == 0){ ^ user.cpp:30:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] add[ s[i] ]--; ^ user.cpp:33:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(u > 0 && s[i] < d[u] && add[ d[u] ] > 0){ ^ user.cpp:34:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] add[ d[u] ]--; ^ user.cpp:35:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] ff[ d[u] ]++; ^ user.cpp:39:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] ff[ s[i] ]--; ^