10.22, on the stage already know some uses of scanf or considerations of some of the summary:
In 1.scanf, the front of the data plus the assignment of certain &!
2. If the input scenario requirements must be space, scanf ( "% d% c% d", & a, & ch, & b)
Note that you must not have spaces, can not describe the specific reasons ,, simply described as a multi lost data.
3. In the scanf ( "... \ n", & a) this statement, pay attention, \ n must not appear in the scanf statement!