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| #include <bits/stdc++.h>
#pragma optimization_level 3
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
struct PairHash {
inline std::size_t operator()(const std::pair<int, int> &v) const { return v.first * 31 + v.second; }
};
#define MAX_N 1010101
#define INF 987654321
#define EPS 1e-9
#define ll long long
#define pll pair<ll, ll>
#define vpll vector<pll>
#define vall3 vector<array<ll,3>>
#define all3 array<ll,3>
#define all5 array<ll,5>
#define vall5 vector<all5>
#define vll vector<ll>
#define vi vector<int>
#define vs vector<string>
#define usll unordered_set<ll>
#define uspll unordered_set<pll, PairHash>
#define umll unordered_map<ll,ll>
#define vvs vector<vs>
#define vvll vector<vll>
#define all(a) begin(a), end(a)
#define rall(a) rbegin(a), rend(a)
ll __gcd(ll x, ll y) { return !y ? x : __gcd(y, x % y); }
using namespace std;
multiset<ll> ms;
void qry1() {
ll n;
cin>>n;
ms.insert(n);
}
ll qry2() {
ll x, k;
cin>>x>>k;
auto it = ms.upper_bound(x);
if(it == begin(ms)) return -1;
--it;
k -= 1;
while(k--) {
if(it == begin(ms)) return -1;
--it;
}
return *it;
}
ll qry3() {
ll x, k;
cin>>x>>k;
auto it = ms.lower_bound(x);
k -= 1;
while(k--) {
if(it == end(ms)) return -1;
++it;
}
return it == end(ms) ? -1 : *it;
}
int main() {
ios_base::sync_with_stdio(0);
ios::sync_with_stdio(0);
cin.tie(0);
ll tc = 1;
for (ll i = 1; i <= tc; i++) {
ll q, t;
cin>>q;
while(q--) {
cin>>t;
if(t == 1) qry1();
else if(t == 2) cout<<qry2()<<endl;
else if(t == 3) cout<<qry3()<<endl;
}
}
return 0;
}
|
