Compilare: user.cpp: In function ‘int main()’: user.cpp:49:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] for (i=1; cuv[i]; ++i) poz[cuv[i]] = i,l++; ^ user.cpp:72:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] lit[poz[ch]].i = i; ^ user.cpp:73:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] lit[poz[ch]].j = j; ^ user.cpp: In function ‘void bfs(short int, short int)’: user.cpp:29:19: warning: ‘cv’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(cv + dy[k]<=m && c + dy[k]>=1) {cv = c + dy[k];lv = l + dx[k]; ^ user.cpp: In function ‘int main()’: user.cpp:77:18: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized] nr_elemente=k; ^