Submission #444102

#	Time	Username	Problem	Language	Result	Execution time	Memory
444102		Haruto810198	Toys (CEOI18_toy)	C++17	100 / 100	2683 ms	86568 KiB

toy

#include <bits/stdc++.h>

using namespace std;

#define int long long
#define double long double

#define FOR(i, l, r, d) for(int i=(l); i<=(r); i+=(d))
#define szof(x) ((int)(x).size())

#define vi vector<int>
#define pii pair<int, int>

#define F first
#define S second

#define pb push_back
#define eb emplace_back
#define mkp make_pair

const int INF = 2147483647;
const int LNF = INF*INF;
const int MOD = 1000000007;
const int mod = 998244353;

int n;
vi dv;
vector<set<int>> dp;

signed main(){

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    cin>>n;

    for(int i=1; i*i<=n; i++){
        if(n % i == 0){
            dv.pb(i);
            if(i * i < n) dv.pb(n / i);
        }
    }

    sort(dv.begin(), dv.end());

    int C = szof(dv);
    dp.resize(C);

    dp[0].insert(0);

    FOR(i, 1, C-1, 1){
        FOR(j, 0, i-1, 1){

            if(dv[i] % dv[j] != 0) continue;
            int mt = dv[i] / dv[j];

            for(int k : dp[j]){
                dp[i].insert(k + mt - 1);
            }

        }
    }

    cout<<szof(dp[C-1])<<'\n';
    for(int i : dp[C-1]){
        cout<<i<<" ";
    }
    cout<<'\n';

    return 0;

}

• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 21 / 21