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using namespace std;
map<int,map<int, int> >M;
vector<int>database[10005];
int test, total_number, group;
int initial_data[10005];
map<int, int>book;
void show(map<int, int> m) {
map<int, int>::iterator it;
it = m.begin();
cout << it->first << "=" << it->second;
for (it++; it != m.end(); it++) {
cout << "," << it->first << "=" << it->second;
}
}
int main()
{
cin >> test;
for (int k = 1; k <= test; k++)
{
cin >> total_number;
for (int i = 1; i <= total_number; i++)
{
cin >> initial_data[i];
book[initial_data[i]]++;
}
for (int i = 1; i <= total_number; i++)
{
cin >> group;
M[group][initial_data[i]]++;
}
map<int, map<int, int>>::iterator it;
map<int, int>::iterator check;
for (it = M.begin(); it != M.end(); it++) {
cout << it->first << "={";
for (check = book.begin(); check != book.end(); check++)
{
if (check == book.begin())
{
cout << check->first << "=" << it->second[check->first];
}
else
cout << "," << check->first << "=" << it->second[check->first];
}
cout << "}" << endl;
}
M.clear();
book.clear();
}
return 0;
}
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