Question

冰雹猜想的程序把错误的改成正确的：Read xIf x mod 2=0 Theny Elsey Print y上面发的有

Answer 1

你用的Fortran?

我用BASIC写了个：

INPUT X

PRINT X,

WHILE X > 1

IF X MOD 2 = 0 THEN

X = X / 2

ELSE

X = 3 * X + 1

END IF

PRINT "-->"; X,

WEND

END