#include <iostream>
#include <set>
#include <vector>
using namespace std;
multiset<long long, greater<long long> > szprotki;
multiset<long long, greater<long long> >::iterator sit;
int main() {
ios_base::sync_with_stdio(0);
int n;
cin >> n;
for (int i=0;i<n;i++) {
long long s;
cin >> s;
szprotki.insert(s);
}
int q;
cin >> q;
while (q--) {
int t;
long long s,k,w;
cin >> t;
if (t==2) {
cin >> w;
szprotki.insert(w);
} else if (t==3) {
cin >> w;
szprotki.erase(w);
} else {
cin >> s >> k;
vector<long long> temp;
sit = szprotki.begin();
long long ans=0;
while (s<k) {
sit = szprotki.upper_bound(s);
if (sit!=szprotki.end()) {
s += *sit;
temp.push_back(*sit);
szprotki.erase(sit);
ans++;
} else {
ans=-1;
break;
}
}
for (auto &it:temp) szprotki.insert(it);
cout << ans << endl;
}
}
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | #include <iostream> #include <set> #include <vector> using namespace std; multiset<long long, greater<long long> > szprotki; multiset<long long, greater<long long> >::iterator sit; int main() { ios_base::sync_with_stdio(0); int n; cin >> n; for (int i=0;i<n;i++) { long long s; cin >> s; szprotki.insert(s); } int q; cin >> q; while (q--) { int t; long long s,k,w; cin >> t; if (t==2) { cin >> w; szprotki.insert(w); } else if (t==3) { cin >> w; szprotki.erase(w); } else { cin >> s >> k; vector<long long> temp; sit = szprotki.begin(); long long ans=0; while (s<k) { sit = szprotki.upper_bound(s); if (sit!=szprotki.end()) { s += *sit; temp.push_back(*sit); szprotki.erase(sit); ans++; } else { ans=-1; break; } } for (auto &it:temp) szprotki.insert(it); cout << ans << endl; } } return 0; } |
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