Submission #772793

#TimeUsernameProblemLanguageResultExecution timeMemory
772793Valters07Abracadabra (CEOI22_abracadabra)C++14
10 / 100
652 ms26820 KiB
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#define fio ios_base::sync_with_stdio(0);cin.tie(0);
#define ll long long
#define en cin.close();return 0;
#define pb push_back
#define fi first//printf("%lli\n",cur);
#define se second//scanf("%lli",&n);
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int N = 1005;
vector<pair<int,int> > qu[N];
vector<int> make_op(vector<int> &a)
{
    int n = a.size();
    vector<int> ret;
    int it = 0, it2 = n/2;
    while(it<n/2||it2<n)
    {
        if(it==n/2)
            ret.pb(a[it2++]);
        else if(it2==n)
            ret.pb(a[it++]);
        else if(a[it]<a[it2])
            ret.pb(a[it++]);
        else
            ret.pb(a[it2++]);
    }
    return ret;
}
int main()
{
    fio
//    ifstream cin("in.in");
    int n, q;
    cin >> n >> q;
    vector<int> a(n), ans(q);
    for(auto &x:a)
        cin >> x;
    for(int qi = 0;qi<q;qi++)
    {
        int t, x;
        cin >> t >> x;
        qu[min(t,N-1)].pb({x,qi});
    }
    for(int i = 0;i<N;i++)
    {
        for(auto x:qu[i])
            ans[x.se]=a[x.fi-1];
        a = make_op(a);
    }
    for(auto x:ans)
        cout << x << "\n";
//    cin.close();
    return 0;
}
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