Compilare: main.cpp: In function 'int main()': main.cpp:13:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] cin>>k>>q>>s+1; ~^~ main.cpp:15:16: warning: array subscript has type 'char' [-Wchar-subscripts] vc[s[i]]++; ^ main.cpp:27:18: warning: array subscript has type 'char' [-Wchar-subscripts] nrl1=vc[lit]; ^ main.cpp:28:19: warning: array subscript has type 'char' [-Wchar-subscripts] nrl2=vc[lit2]; ^ main.cpp:11:15: warning: unused variable 'val' [-Wunused-variable] int k,q,i,val,ii,x,poz,j,cop,nr,nrl1,nrl2,nrl,apar; ^~~ main.cpp:11:22: warning: unused variable 'x' [-Wunused-variable] int k,q,i,val,ii,x,poz,j,cop,nr,nrl1,nrl2,nrl,apar; ^ main.cpp:11:28: warning: unused variable 'j' [-Wunused-variable] int k,q,i,val,ii,x,poz,j,cop,nr,nrl1,nrl2,nrl,apar; ^ main.cpp:11:30: warning: unused variable 'cop' [-Wunused-variable] int k,q,i,val,ii,x,poz,j,cop,nr,nrl1,nrl2,nrl,apar; ^~~