CodePudding user response:

1: p=s; P [0]!='\ 0'; P++
2: p [0]==a
3: p [0]=b

Code don't screenshots, CSDN BBS newbie guide

CodePudding user response:

To solve the knot to stick,

CodePudding user response:

I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10581430.html
I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10768339.html