【leetcode_easy_string】1576. Replace All ?'s to Avoid Consecutive Repeating Characters

problem

1576. Replace All ?'s to Avoid Consecutive Repeating Characters

solution#1: 

code:

注意，如何取得满足题意的替换字符；注意字符串边界；

参考

1. leetcode_easy_string_1576. Replace All ?'s to Avoid Consecutive Repeating Characters;

完