C++
std::listlist<int> keys;
// 1. get all the keys that has the elements from bList
for (std::listlist<int>::iterator it = bList.begin(); it != bList.end(); ++it)
{
for (std::map<string, int>::iterator j = aMap.begin(); j != aMap.end(); ++j)
{
if (j->second == *it) keys.push_back(j->first);
}
}
// 2. remove all the items of the key
for (auto it = keys.begin(); it != keys.end(); ++it)
{
aMap.erase(*it);
}
std::list<int> keys;
for (auto it = bList.begin(); it != bList.end(); ++it)
{
for (auto j = aMap.begin(); j != aMap.end(); ++j)
{
if (j->second == *it) keys.push_back(j->first);
}
}
// 3. remove all the items of the key
for (auto it = keys.begin(); it != keys.end(); ++it)
{
aMap.erase(*it);
}
Python
http://stackoverflow.com/questions/11277432/how-to-remove-a-key-from-dictionary
for e in elements:
if e in aDict:
del aDict[e]
for e in elements:
aDict.pop(e, None)
