// 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.
procedure nod( var dv,tr,pt,dv1,tr1,pt1,dv2,tr2,pt2 :real; ); var a:array[1..6] of real; i : integer; begin dv1:=100; tr1:=100; pt1:=100; for i:= low(a) to high (a) do begin readln(a[i]); repeat if( (a[i] mod 2) =0) then begin a[i]:=a[i]/2; dv:=dv+1; end else if( ( a[i] mod 3)=0) then begin a[i]:=a[i]/3; tr:=tr+1; end else if ( ( a[i] mod 5)=0) then begin a[i]:=a[i]/5; pt:=pt+1; end;
untill(a=1); if dvif trif ptdv:=0; tr:=0; pt:=0; end; if dv1>0 then dv2:=dv1*2 else dv2:=1; if tr1>0 then tr2:=tr1*3 else tr2:=1; if pt1>0 then pt2:=pt1*5 else pt2:=1; nod:=dv2*tr2*pt2; writeln(nod); end; begin nod( dv,tr,pt,dv1,tr1,pt1,dv2,tr2,pt2 ); end.
4 и 5 строка
Объяснение: