1     char buf[5] = {‘1‘,‘2‘,‘3‘,‘4‘,‘5‘};
2     for (char x : buf)
3         std::cout<<x<<std::endl;

1     char buf[5] = {‘1‘,‘2‘,‘3‘,‘4‘,‘5‘};
2     for (int i = 0; i < 5; i ++)
3     {
4         std::cout<<buf[i]<<std::endl;
5     }