Submission #1353017

#	Time	Username	Problem	Language	Result	Execution time	Memory
1353017		Newtonabc	Toys (CEOI18_toy)	C++20	59 / 100	5094 ms	972 KiB

toy

#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll n;
set<ll> ans;
void f(ll n,ll sum){
    if(n==1){
        ans.insert(sum);
        return;
    }
    vector<int> v;
    for(ll i=1;i<=sqrt(n);i++){
        if(n%i) continue;
        if(i!=1) f(n/i,sum+i-1);
        if(n/i!=i) f(i,sum+n/i-1);
    }
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin>>n;
    f(n,0);
    cout<<ans.size() <<"\n";
    for(auto x:ans) cout<<x <<" ";
}

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