Submission #872913

#	Time	Username	Problem	Language	Result	Execution time	Memory
872913		Darren0724	Toys (CEOI18_toy)	C++17	100 / 100	1006 ms	112848 KiB

toy

#include <bits/stdc++.h>
using namespace std;
#define LCBorz                        \
    ios_base::sync_with_stdio(false); \
    cin.tie(0);
//#define int long long
#define all(x) x.begin(), x.end()
#define x first
#define y second
const int N=100005;
const int INF=1e9;
vector<int> a;
int sz;
 
int32_t main() {
    LCBorz;
    int n;cin>>n;
    for(int i=1;i*i<=n;i++){
        int j=n/i;
        if(n%i!=0){
            continue;
        }
        a.push_back(i);
        if(j!=i){
            a.push_back(j);
        }
    }
    sort(all(a));
    sz=a.size();
    vector<int> ans[sz];
    ans[0].push_back(0);
    for(int i=0;i<sz;i++){
        for(int j=0;j<i;j++){
            if(a[i]%a[j]!=0){
                continue;
            }
            int p=a[i]/a[j];
            for(int j:ans[j]){
                ans[i].push_back(j+p-1);
            }
        }
        sort(all(ans[i]));
        ans[i].resize(unique(all(ans[i]))-ans[i].begin());
    }
    
    cout<<ans[sz-1].size()<<endl;
    for(int j:ans[sz-1]){
        cout<<j<<' ';
    }
    cout<<endl;
    
 
    return 0;
}

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