Submission #943390

#	Time	Username	Problem	Language	Result	Execution time	Memory
943390		Ahmed57	Abracadabra (CEOI22_abracadabra)	C++17	10 / 100	1952 ms	524288 KiB

Main

#include "bits/stdc++.h"

using namespace std;
#ifdef LOCAL
#include "debug.cpp"
#else
#define debug(...)
#endif

signed main() {
    ios_base::sync_with_stdio(false);cin.tie(0);
    int n,q;
    cin>>n>>q;
    deque<int> v;
    vector<vector<int>> ver;
    ver.push_back({});
    for(int i = 0;i<n;i++){
        int x;cin>>x;
        ver[0].push_back(x);
        v.push_back(x);
    }
    while(1){
        deque<int> p1,p2,all;
        int x = n/2;
        while(x--){
            p1.push_back(v[0]);v.pop_front();
        }
        x = n/2;
        while(x--){
            p2.push_back(v[0]);v.pop_front();
        }
        while(p1.size()&&p2.size()){
            if(p1[0]<p2[0]){
                all.push_back(p1[0]);p1.pop_front();
            }else{
                all.push_back(p2[0]);p2.pop_front();
            }
        }
        while(p1.size()){
            all.push_back(p1[0]);p1.pop_front();
        }while(p2.size()){
            all.push_back(p2[0]);p2.pop_front();
        }
        swap(v,all);bool ss = 0;
        for(int i = 0;i<n;i++){
            if(ver.back()[i]!=v[i]){
                ss = 1;
            }
        }
        if(!ss)break;
        ver.push_back({});
        for(int i = 0;i<n;i++){
            ver.back().push_back(v[i]);
        }
    }
    while(q--){
        int a,b;cin>>a>>b;
        a = min(a,(int)ver.size()-1);
        cout<<ver[a][b-1]<<endl;
    }
}

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