Submission #1121351

#	Time	Username	Problem	Language	Result	Execution time	Memory
1121351		PagodePaiva	Swap (BOI16_swap)	C++17	0 / 100	3 ms	6480 KiB

swap

#include<bits/stdc++.h>

using namespace std;

const int N = 200010;
vector <int> v[N];
int p[N];
int mark[N];

int main(){
    int n;
    cin >> n;
    for(int i = 1;i <= n;i++){
        cin >> p[i];
        v[i].push_back(p[i]);
    }
    for(int i = 2;i <= n;i++){
        set <int> s;
        for(auto x : v[i]){
            s.insert(x);
        }
        for(auto x : v[i/2]){
            s.insert(x);
        }
        v[i/2].clear();
        v[i].clear();
        for(auto x : s){
            v[i/2].push_back(x);
            v[i].push_back(x);
        }
    }
    vector <int> res;
    for(int i = n;i >= 1;i--){
        sort(v[i].begin(), v[i].end());
        reverse(v[i].begin(), v[i].end());
        /*for(auto x : v[i]){
            cout << x << ' ';
        }
        cout << '\n';*/
        for(auto x : v[i]){
            if(mark[x] == 0){
                res.push_back(x);
                mark[x] = 1;
                break;
            }
        }
    }
    reverse(res.begin(), res.end());
    for(auto x : res){
        cout << x << ' ';
    }
    cout << '\n';
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 27
• Subtask 4: 0 / 20
• Subtask 5: 0 / 32