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#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n >> m; vector<int> tickets(n), people(m); multiset<int> ms; for(int i = 0; i < n; i++) { cin >> tickets[i]; ms.insert(tickets[i]); } for(int i = 0; i < m; i++) { cin >> people[i]; auto it = ms.upper_bound(people[i]); if(it == ms.begin()) { cout << -1 << endl; } else { it--; cout << *it << endl; ms.erase(it); } } return 0; }
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