Submission #748920

#	Time	Username	Problem	Language	Result	Execution time	Memory
748920		bgnbvnbv	Toys (CEOI18_toy)	C++14	100 / 100	745 ms	9232 KiB

toy

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll, ll>
#define fi first
#define se second
#define pb push_back

const int N = 1e5+5;
const long long mod = 1e9+7;
const long double pi = acos(-1);
const int base = 300;
ll k, t;
ll a[N], ans, m, n, b[N], tong, d[N], c[N], lab[N], cnt, h[N], P[N][20];
vector<pll> val[N];
vector<ll> adj[N], res;

string s;
set<ll> st;
void cal(ll n, ll lst, ll sum)
{
    st.insert(sum+n-1);
    for(int i = lst; i <= n / i; i ++)
    {
        if(n % i == 0)
        {
            cal(n/i, i, sum+i-1);
        }
    }
}
void sol()
{
    cin >> n;
    cal(n, 2, 0);
    cout << st.size() << '\n';
    for(ll x : st)cout << x <<" ";
}
int main()
{
    sol();
}

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