Https://www.cplusplus.com/reference/vector/vector/data/

#1

https://www.cplusplus.com/reference/vector/vector/data/

vector
vector1440×855 138 KB

pls explain the meaning of the boxed article. what is the meaning of the phrase it returns a pointer to const vlaue_type

#2

also in the example of this function what is meant by p[2] = 100