首页 > 试题广场 >

PROGRAM CHU7_1; FUNCTION FUN(X

[填空题]
PROGRAM CHU7_1;
FUNCTION FUN(X:INTEGER):INTEGER;
  BEGIN
    IF(X=0)OR(X=1)THEN FUN:=3
                  ELSE FUN:=X-FUN(X-2)
  END;
BEGIN
  WRITELN(FUN(9));
  READLN;
END.

输出:1

这道题你会答吗?花几分钟告诉大家答案吧!