Submission #444714

#	Time	Username	Problem	Language	Result	Execution time	Memory
444714		definitelynotmee	Toys (CEOI18_toy)	C++17	59 / 100	5040 ms	960 KiB

toy

    #include<bits/stdc++.h>
    #define mp make_pair
    #define mt make_tuple
    #define ff first
    #define ss second
    using namespace std;
    typedef long long ll;
    typedef pair<int,int> pii;
    typedef pair<ll,ll> pll;
    const ll INFL = (1LL<<62)-1;
    const int INF = (1<<30)-1;
    const double EPS = 1e-7;
    const int MOD = 1e9 + 7;
    const int MAXN = 1e6+1;
     
     
     
    int main(){
     
        ios_base::sync_with_stdio(false);
        cin.tie(nullptr);
     
        int n;
        cin >> n;
        set<int> resp;
        function<void(int,int,int)> bt =[&resp,&bt](int n, int cur, int sum){
            if(n==1){
                resp.insert(sum);
                return;
            }
                
            for(int i = cur; i <= sqrt(n); i++){
                if(n%i == 0)
                    bt(n/i,cur,sum+i-1);
            }
            //cout << "->" << n << ' ' << sum << '\n';
            bt(1,n,sum+n-1);
        };
        bt(n,2,0);
        cout << resp.size() << '\n';
        for(int i : resp)
            cout << i << ' ';
        cout << '\n';
        return 0;
     
    }

• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 21