Submission #1352987

#	Time	Username	Problem	Language	Result	Execution time	Memory
1352987		raineyj	Abracadabra (CEOI22_abracadabra)	C++20	10 / 100	3095 ms	20080 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n, q;
    cin >> n >> q;
    vector<vector<int>> s(2, vector<int>(n));
    for(int i=0; i<n; i++) cin >> s[0][i];
    priority_queue<pair<int, pair<int, int>>> queries;
    vector<int> ans(q);
    for(int i=0; i<q; i++)
    {
        int t, p;
        cin >> t >> p;
        queries.push({-t,{p-1, i}});
    }
    int shuf=0;
    while(!queries.empty())
    {
        int t=-queries.top().first, p=queries.top().second.first, i=queries.top().second.second;
        queries.pop();
        while(shuf<t && s[0]!=s[1])
        {
            shuf+=1;
            int l=0, r=n/2;
            for(int j=0; j<n; j++)
            {
                if(l>=n/2)
                {
                    s[shuf%2][j]=s[(shuf+1)%2][r];
                    r++;
                }
                else if(r>=n)
                {
                    s[shuf%2][j]=s[(shuf+1)%2][l];
                    l++;
                }
                else if(s[(shuf+1)%2][l]<s[(shuf+1)%2][r])
                {
                    s[shuf%2][j]=s[(shuf+1)%2][l];
                    l++;
                }
                else
                {
                    s[shuf%2][j]=s[(shuf+1)%2][r];
                    r++;
                }
            }
        }
        ans[i]=s[t%2][p];
    }
    for(auto a : ans) cout << a << '\n';
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25