Var s : String; n : Integer; Function IncS(a : String) : String; Begin a[Length(a)]:=Chr(Ord(a[Length(a)])+1); If a[Length(a)]>'D' then IncS:=IncS(Copy(a,1,Length(a)-1))+'A' else IncS:=a; end; Function Check(a : String) : Boolean; Begin Check:=False; If (Pos('A',a)>0) then Begin Delete(a,Pos('A',a),1); If (Pos('A',a)>0) then Check:=True; end; end; Begin s:=''; n:=0; While s<>'' do Begin { Writeln(s); } If Check(s) then Inc(n); s:=IncS(s); end; Writeln(n); end.
// PascalABC.NET 3.0, сборка 1073 const sb='bcdfgjklmnpqrstvwxz'; s='Computer programming is a process of computer programs creation'; var i,n:integer; s1,sn,t:string; begin i:=1; while s[i]<>' ' do Inc(i); s1:=Copy(s,1,i-1); n:=Length(s); i:=n; while s[i]<>' ' do Dec(i); sn:=Copy(s,i+1,n-i); t:=''; for i:=1 to Length(s1) do if Pos(s1[i],sb)>0 then t:=t+s1[i]; s1:=t; t:=''; for i:=1 to Length(sn) do if Pos(sn[i],sb)>0 then t:=t+sn[i]; sn:=t; t:=''; for i:=1 to Length(s1) do if Pos(s1[i],sn)>0 then if Pos(s1[i],t)=0 then t:=t+s1[i]; for i:=1 to Length(t) do Write(t[i],' '); Writeln end.
Тестовый прогон: t r
2. "Нормальное" решение
// PascalABC.NET 3.0, сборка 1073 const sb='bcdfgjklmnpqrstvwxz'; s='Computer programming is a process of computer programs creation'; begin var a:=s.ToWords(' '); a[0].Intersect(a[a.Length-1]).Where(x->Pos(x,sb)>0).Println(',') end.
