Compilare: user.cpp: In function ‘void bkt(short int, char)’: user.cpp:24:19: warning: unused variable ‘k’ [-Wunused-variable] short k=0; ^ user.cpp:34:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[pos].size();++i) ^ user.cpp:56:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] fol2[i]=fol[i]; ^ user.cpp:56:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] fol2[i]=fol[i]; ^ user.cpp:58:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[pos].size();++i) ^ user.cpp:63:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] lista[++nrfol]=v[pos][i]; ^ user.cpp:69:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] fol[i]=fol2[i]; ^ user.cpp:69:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] fol[i]=fol2[i]; ^ user.cpp: In function ‘int main()’: user.cpp:76:10: warning: unused variable ‘r’ [-Wunused-variable] char r=1; ^