#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef pair<ll, int> PILL;
typedef pair<ll, ll> PLL;
const int MAX_N = 1e5+5;
const int M = 1e6;
const ll INF = (ll)(1e18);
const int inf = 1e9;
const ll MOD = 1000000007LL;
void solve() {
}
int n;
multiset<ll> szprotki;
int getAnswer(ll s, ll k, multiset<ll> st) {
int ret = 0;
while (true) {
auto it = st.lower_bound(s);
if (it == st.begin()) {
return -1;
}
it--;
s += (*it);
ret++;
st.erase(it);
if (s >= k) break;
}
return ret;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n;
for (int i = 0; i < n; i++) {
ll x; cin >> x;
szprotki.insert(x);
}
int Q; cin >> Q;
for (int i = 0; i < Q; i++) {
int t;
cin >> t;
if (t == 1) {
ll s, k;
cin >> s >> k;
if (s >= k) {
cout << 0 << "\n";
continue;
}
cout << getAnswer(s, k, szprotki) << "\n";
} else if (t == 2) {
ll w; cin >> w;
szprotki.insert(w);
} else {
ll w; cin >> w;
szprotki.erase(szprotki.find(w));
}
}
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 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | #include <bits/stdc++.h> using namespace std; typedef unsigned long long ull; typedef long long ll; typedef long double ld; typedef pair<int, int> PII; typedef pair<ll, int> PILL; typedef pair<ll, ll> PLL; const int MAX_N = 1e5+5; const int M = 1e6; const ll INF = (ll)(1e18); const int inf = 1e9; const ll MOD = 1000000007LL; void solve() { } int n; multiset<ll> szprotki; int getAnswer(ll s, ll k, multiset<ll> st) { int ret = 0; while (true) { auto it = st.lower_bound(s); if (it == st.begin()) { return -1; } it--; s += (*it); ret++; st.erase(it); if (s >= k) break; } return ret; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n; for (int i = 0; i < n; i++) { ll x; cin >> x; szprotki.insert(x); } int Q; cin >> Q; for (int i = 0; i < Q; i++) { int t; cin >> t; if (t == 1) { ll s, k; cin >> s >> k; if (s >= k) { cout << 0 << "\n"; continue; } cout << getAnswer(s, k, szprotki) << "\n"; } else if (t == 2) { ll w; cin >> w; szprotki.insert(w); } else { ll w; cin >> w; szprotki.erase(szprotki.find(w)); } } return 0; } |
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