map erase stl code example
Example 1: map.erase in c++
it=mymap.find('b');
mymap.erase (it); // erasing by iterator
mymap.erase ('c'); // erasing by key
Example 2: stl map remove item
it=mymap.find('b');
mymap.erase (it); // erasing by iterator
mymap.erase ('c'); // erasing by key
it=mymap.find ('e');
mymap.erase ( it, mymap.end() ); // erasing by range