Submission #991710

#	Time	Username	Problem	Language	Result	Execution time	Memory
991710		De3b0o	Present (RMI21_present)	C++14	0 / 100	2250 ms	524288 KiB

Main

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

int16_t gc[26][26];
vector<vector<int16_t>> ans;
bool cnt[26];

void solve(int16_t idx)
{
    if(idx==26)
    {
        vector<int16_t> v;
        for(int16_t i = 1 ; 25>=i ; i++)
            if(cnt[i])
                v.pb(i);
        ans.pb(v);
        return;
    }
    solve(idx+1);
    if(cnt[idx])
        return;
    cnt[idx]=1;
    vector<int16_t> vis;
    vis.pb(idx);
    for(int16_t i = 1 ; idx>=i ; i++)
    {
        if(cnt[i]&&cnt[gc[i][idx]]==0)
        {
            vis.pb(gc[i][idx]);
            cnt[gc[i][idx]]=1;
        }
    }
    solve(idx+1);
    for(auto it : vis)
        cnt[it]=0;
    return;
}

int main()
{
   	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    for(int16_t i = 1 ; 25>=i ; i++)
        for(int16_t j = 1 ; 25>=j ; j++)
            gc[i][j]=__gcd(i,j);
    solve(1);
    sort(ans.begin(),ans.end());
    int16_t t;
    cin >> t;
    while(t--)
    {
        int k;
        cin >> k;
        cout << ans[k].size() << " ";
        for(int i = ans[k].size()-1 ; i>=0 ; i--)
            cout << ans[k][i] << " ";
        cout << endl;
    }
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 21
• Subtask 3: 0 / 41
• Subtask 4: 0 / 14
• Subtask 5: 0 / 16