尝试这样:
function HasThreeConsecutiveLetters(const Str: string): Boolean;
const
QwertyLetters: array[0..2] of string = (
'QWERTYUIOP',
'ASDFGHJKL',
'ZXCVBNM'
);
var
I, J, K: Integer;
S: String;
begin
Result := False;
S := AnsiUpperCase(Str);
for I := 1 to Length(S) do
begin
for J := Low(QwertyLetters) to High(QwertyLetters) do
begin
K := Pos(S[I], QwertyLetters[J]);
if (K <> 0) and
((K+2) <= Length(QwertyLetters[J])) and
(Copy(S, I, 3) = Copy(QwertyLetters[J], K, 3)) then
begin
Result := True;
Exit;
end;
end;
end;
end;
然后,你可以这样做:
var
input: string;
begin
input := ...;
if HasThreeConsecutiveLetters(input) then
...
else
...
end;
有前两天贴在这里,后来删除了几乎相同的Q值。这是你设置的课程任务吗? – MartynA
其实我试图扩展我从编码挑战小册子中做的一个程序。它来自这个网站:https://drive.google.com/file/d/0B1pbdiI9H_RiUkl0cXcySUJCOTg/view,并且是任务24 –