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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 151515
#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 vvs vector<vs>
#define vvll vector<vll>
#define all(a) begin(a), end(a)
#define rall(a) rbegin(a), rend(a)
using namespace std;
unordered_map<ll, ll> freq, rma, rmi;
priority_queue<ll> ma;
priority_queue<ll, vll, greater<ll>> mi;
void insert(ll n) {
freq[n]++;
ma.push(n);
mi.push(n);
}
void remove(ll n, ll c) {
c = min(c, freq[n]);
freq[n] -= c;
rma[n] += c;
rmi[n] += c;
}
ll solve() {
while(rma[ma.top()]) {
rma[ma.top()]--;
ma.pop();
}
while(rmi[mi.top()]) {
rmi[mi.top()]--;
mi.pop();
}
return ma.top() - mi.top();
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
ll tc = 1;
for(ll i = 1; i <= tc; i++) {
ll n, q, x, c;
cin>>n;
for(ll j = 0; j < n; j++) {
cin>>q;
if(q == 1) {
cin>>x;
insert(x);
} else if(q == 2) {
cin>>x>>c;
remove(x,c);
} else if(q == 3) {
cout<<solve()<<endl;
}
}
}
return 0;
}
|
