Compilare: user.cpp: In function ‘int main()’: user.cpp:50:11: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] f>>cuv+1; ^ user.cpp:53:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] poz[cuv[i]]=i; ^ user.cpp:67:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] x[poz[ch]]=i; ^ user.cpp:68:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] y[poz[ch]]=j; ^ user.cpp:106:5: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(z=1; z<=k; ++z) ^