What's the meaning of each step of the way-CodePudding

CodePudding user response:

Where don't understand??

CodePudding user response:

reference 1st floor Mrxlin response:

where do not understand??

A while back

CodePudding user response:

Priority + + & gt; * & gt;==& gt; & & While performing an empty statement, when p2! Jump out of the loop when=p1, but because + + behind, so in while the back line, * p1 to p2 for q, r * n as the pointer back one unit value of minus one, n=q - both p=1

CodePudding user response:

The

reference 3 floor Mrxlin response:

priority + + & gt; * & gt;==& gt; & & While performing an empty statement, when p2! Jump out of the loop when=p1, but because + + behind, so in while the back row, * p1 to p2 for q, r * n as the pointer back one unit value of minus one, n=q - both p=1

Why the while to write back * p1 & amp; & * the p2 & amp; &

CodePudding user response:

reference 4 floor m0_46609566 response:

Quote: reference Mrxlin reply: 3/f
priority + + & gt; * & gt;==& gt; & & While performing an empty statement, when p2! Jump out of the loop when=p1, but because + + behind, so in while the back row, * p1 to p2 for q, r * n as the pointer back one unit value of minus one, n=q - both p=1

Why the while to write back * p1 & amp; & * the p2 & amp; &

There should be no dice, remove to also go, this is to prevent the 2 at the end of a string to the same, then the pointer continuous + + lead to blindness, if wrote will encounter at the end of a string of increasing '\ 0' at end,