STL Vector & Map element removing

There is a small feature to be borne in mind when you remove an element in the vector and map.
Suppose there is such a situation, we start to cycle through the elements by iterator, and some of the criteria if the item is not suitable, it should be removed.
For a vector it will be as follows:

For a map it will be as follows:

Programming C++, Map, STL, Tips, Vector