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OI-codes/Luogu/problem/P3879/P3879.cpp
2021-01-02 15:30:52 +08:00

32 lines
652 B
C++

#include <bits/stdc++.h>
using namespace std;
int main() {
int n, l;
string s;
unordered_map<string, set<int> > m;
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> l;
for (int j = 0; j < l; j++) {
cin >> s;
m[s].insert(i);
}
}
cin >> n;
for (int i = 0; i < n; i++) {
cin >> s;
if (!m.count(s)) {
cout << endl;
}
else {
for (set<int>::iterator it = m[s].begin(); it != --m[s].end(); it++) {
cout << *it << ' ';
}
cout << *--m[s].end() << endl;
}
}
return 0;
}