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Submission #1029366

# Submission time Handle Problem Language Result Execution time Memory
1029366 2024-07-20T19:00:25 Z NValchanov Toys (CEOI18_toy) C++17
0 / 100
 0 ms 348 KB 
#include <bits/stdc++.h>

#define endl '\n'

using namespace std;

typedef long long ll;

const ll MAXN = 1e9 + 10;

unordered_map < ll, unordered_map < ll, bool > > dp;

ll n, m;
vector < ll > divs;

void read()
{
    cin >> n;
}

void fill_divs()
{
    for(ll i = 2; i * i <= n; i++)
    {
        if(n % i == 0)
        {
            divs.push_back(i);
            if(i * i != n)
                divs.push_back(n / i);
        }
    }
    divs.push_back(n);
    m = divs.size();

    sort(divs.begin(), divs.end());
}

void rec(ll cur, ll sum, ll last)
{
    if(dp[cur][sum])
        return;

    dp[cur][sum] = true;

    if(cur == n)
        return;

    for(ll i = last; i < m; i++)
    {
        ll d = divs[i];

        if(cur * d > n)
            continue;

        if(!dp[cur * d][sum + d - 1])
            rec(cur * d, sum + d - 1, i);
    }
}

void print()
{
    cout << dp[n].size() << endl;
    for(auto x : dp[n])
    {
        cout << x.first << " ";
    }
    cout << endl;
}

int main()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    read();
    fill_divs();
    rec(1, 0, 0);
    print();

    return 0;
}

Subtask #1
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -