Submission #646661

#	Time	Username	Problem	Language	Result	Execution time	Memory
646661		ksu2009en	Present (RMI21_present)	C++14	8 / 100	217 ms	39452 KiB

Main

#pragma GCC optimize("O3")

#include <iostream>
#include <vector>
#include <string>
#include <math.h>
#include <cmath>
#include <iomanip>
#include <cstdio>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <deque>
#include <bitset>
#include <cstring>
#define endl '\n'

#include <unordered_map>

using namespace std;
typedef long long ll;

ll used[10001];

ll step = 0;

bool check(vector<ll>a){
    step++;
    
    for(auto i: a){
        used[i] = step;
        
        for(auto j: a){
            if(used[__gcd(i, j)] != step)
                return false;
        }
    }
    return true;
}

int main(){
    vector<vector<ll>>d(1000009);
    
    int pos = 1;
    
    for(int num = 1; num <= 1000; num++){
        d[pos++] = {num};
        
        ll last = pos - 1;
        
        for(int j = 1; j < last; j++){
            d[pos] = d[j];
            d[pos].push_back(num);
            
            if(!check(d[pos]))
                continue;
            pos++;
            
            if(pos >= 100011)
                break;
        }
        if(pos >= 100011)
            break;
    }
    
    ll t;
    cin >> t;
    
    while(t--){
        ll n;
        cin >> n;
        
        cout << d[n].size() << ' ';
        for(auto i: d[n])
            cout << i << ' ';
        cout << endl;
    }
    
    return 0;
}

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