Submission #848718

#	Time	Username	Problem	Language	Result	Execution time	Memory
848718		JoksimKaktus	Abracadabra (CEOI22_abracadabra)	C++17	0 / 100	3043 ms	4252 KiB

Main

#include <bits/stdc++.h>

using namespace std;
#define ll long long

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(0);
    int n,q;
    cin >> n >> q;
    vector <int> v(n);
    vector <int> vlast(n);
    vector <int> res(n);
    for(int i = 0;i < n;i++){
        cin >> v[i];
    }

    for(int k = 0;k < q;k++){
        int a,b;
        cin >> a >> b;
        if(k == 0){
            int num = 0;
            while(num < a){
                vector<int> v1(n/2);
                vector<int> v2(n/2);
                for(int i = 0;i < n/2;i++){
                    v1[i] = v[i];
                    v2[i] = v[i+n/2];
                    vlast[i] = v[i];
                    vlast[i+n/2] = v[i+n/2];
                }
                int ind1 = 0;
                int ind2 = 0;
                bool same = true;
                while(ind1 < n/2 && ind2 < n/2){
                    if(v1[ind1] < v2[ind2]){
                        v[ind1+ind2] = v1[ind1];
                        ind1++;
                    }else{
                        v[ind1+ind2] = v2[ind2];
                        ind2++;
                    }
                    if(v[ind1+ind2-1] != vlast[ind1+ind2-1]){
                        same = false;
                    }
                }
                if(ind1 < n/2){
                    for(int j = ind1;j < n/2;j++){
                        v[j+ind2] = v1[j];
                    }
                }else{
                    for(int j = ind2;j < n/2;j++){
                        v[j+ind1] = v2[j];
                    }
                }
                num++;
                if(same){
                    break;
                }
            }
            for(int j = 0;j < n;j++){
                res[j] = v[j];
            }
        }
        cout << res[b-1] << "\n";

    }

    return 0;
}

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